Abbreviations

Abbreviations for Telecommunication & Multimedia
Search HOME

Last updated: 2000-05-19

A few easy-to-confuse abbreviations from other contexts are added. This list of abbreviations is by no means complete. No content. If you find an error or if you know an interesting abbreviation that is still missing, please send an E-mail to me. app=application, chem=chemical, geo=geographic, jur=law or act, org=organization or company, phys=physical, soft=so italics=abbreviation without relation to telecommunication. Please wait until the table is loaded (ca. 401 KB) 1000BaseT tel 100BaseT tel 10BaseT tel 2G tech 36190 ICN 3COM org 3G tech 3GPP org 3GPP2 org 3R tech A network tel A/D tech A1H7 tel AAA tel AAL tel AAL1 tel AAL2 tel AAL3/4 tel AAL5 tel AAP tel AB tel AB tel ABC tel ABI tech ABR tel ABR org ABT/DT tel ABT/IT tel AC tel AC tech Ac chem AC/DC tech AC3 tech ACA tel ACB ICN ACC tel ACC tel ACC tel ACC tel ACCG ICN ACCH tel

ACD ACE ACE ACG ACHLRID ACID ACK ACL ACM ACM ACM ACM ACM ACOM ACPI ACPM ACPs ACR ACR ACS ACSE ACSF ACT ACTV ACU ACU ACU ACU AD AD ADAMS ADAPSO ADC ADC ADC ADCCP ADCT ADH ADM ADM ADM ADMOSS ADN ADPCM ADSI ADSL ADTV AEC AEC AECS AES AESA AF AF

tel tel tech tech tel tech tel tel tel tel tel tech org tel tech tel tel tel tel tel tel tech tel tech tel tel tech tech tel tech org org tel tech org tel tech tech tel tel tech ICN tel tech tech tel tech tel tech tel tech tel phys org

AFC AFI AFM AFP AFRS AFS Ag AGC AGCH AGP AH AI AI AIBO AIC AIC AIG AIM AIN AINI AIS AIS AIT AIW AKA AKUHW AL AL Al ALC ALCAP ALCM ALGOL ALI ALI B ALPE ALPU ALU AM AM Am AMA AMB AMC AMD AME AMF AMI AMPS AMPS AMR AMS AMTICS AMTS

tech tel tech tech org tech chem tech tel tech tel tech tel tech tech tel tel tel tel tel tech tel tech tel ICN tel tel chem tel tel ICN tech ICN ICN tel tel tech tech tel chem tel ICN tel org tech org tel tel tel tel tel tel tel

AMX AMX-A AMX-E AN ANA ANM ANP ANS ANS ANSER ANSI ANX AO AO/DI AoC AOC AOCC AOCI AOL AOPE AP AP AP APC APCM APD APDU API APIC APMT APNG APNIC APPC APPN APS APS AR Ar ARFCN ARIB ARFCN ARIB ARIN ARP ARPANET ARQ AS AS As ASC ASC ASCE ASCII ASE

tel ICN ICN tel tel tel tel tel tech tel tech tel tel tel tel tech tel tel org tel tel tel tech tech tech tech tel tech tech tel org tel tech tel tel ICN tech chem tel org tel org tel tel tel tel tel tech chem tel tech tel soft tel

ASF ASIC ASK ASM ASMG ASMO ASN ASN.1 ASN(E) ASP ASP ASP ASP ASP ASPE ASR ASU ASU AT At AT&T ATA ATAPI ATB ATC ATE ATIS ATM ATM ATM ATM-PDU ATM-SDU ATM230 ATM25 ATMP ATMRA ATOP ATP ATR ATRAC ATSC ATT ATV ATVEF AU AU AU Au AUB AUB(B) AUC AUN AUI AUP

tech tech tel tel ICN tech ICN tech ICN tel tel tel tel tel ICN tel ICN tech tech chem org tech tel tel tel tel tel tel tech tech tel tel ICN tel tel tel ICN chem org tel org tel tech org tel tel ICN chem ICN ICN tel tel tel tech

AVI AVD AVVID AWA AWC AWGN awk B B network B-CDMA B-ICI B-ISDN B-ISSI B-ISUP B-MAC B-NT B-NT1 B-NT2 B-OSF b-reps B-SNI B-TA B-TE1 B-TE2 B-UNI B3ZS B8ZS BA BA BA BA Ba BACP BAF BAIC BAOC BAP BASIC BB BBC BBCC BBS BC BC BC BCC BCC BCC BCC BCCH BCD BCE BCH BCH code

tech tech tel tel tel tech tech chem tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tech tech org chem tel tech ICN ICN ICN soft tel org org tel tel tel org tech ICN tel ICN tel tech tel tel tech

BCIE BCOB BCPN BCSM BCT BCU BDC BE Be BE(R) BECN BEMA BER BERT BEU BFC BF BFI BGAK BGN BGP BGR BGREJ Bh BHCA BHHCA BHTML Bi BIAS BIB BIC-Roam BIGIS BIND BIOS BIP BIST BISON bit Bk BMAP BML BMML BN BN BNF BNHO BOC BOD BOIC BOIC-exHC BOM BOS BPDU BPON

tel tel tel tel ICN tel tel tel chem tel tel ICN tel tel tech tel tel tel tel tel tel ICN tel chem tel tel tel chem ICN tel ICN tel tel tech tel tech ICN tech chem tel tel ICN tel org soft tel org tel ICN ICN tel org tel tel

BPR bps BPSK BR Br BRA BRAN BRD BRE BRG BRI BS BS BS BSA BSC BSC BSCI BSD BSI BSIC BSM BSN BSS BSS BSSAP BSSGP BSSMAP BSSOMAP BSSTE BST BSU BT BT BT BTA BTAG BTO BTS BTSE BTSM BUS BzA C C network C/I C/N C/R C-4 C-OSF C++ CA CA CA

tech tel tel tel chem tel tel tech tech tel tel tel tel org tel tel tel tech tel tel tech tel tel ICN tel ICN tel tel tel tel tel tel tech org tel tech tel tel tel tel ICN chem tel tech tech tech tel tel soft tel tel tel

CA CA CA Ca CAC CAC CAC CAD CAE CAE CAFIS CAGR CAI CAI CAI CalBUG CallP CALS CAM CAM CAM CAMA CAME CAMEL CAMS CAO CAP CAP CAP CAP CAP CAP CAPI CAPTAIN CAR CAS CASE CASE CAT CAT CATNET CATV CATV CB CB CB CB CBC CBCH CBDS CBMI CBOP CBR CBR

tel tel geo chem tel tel tel tech soft tech org tel tel soft org tel tech tech tech ICN tel tech ICN ICN soft tech tech tech tel ICN ICN soft org tel tel soft tech tech tel tel tel tel tel tel tech tel tel tel tel org tel tech

CBRSE CBS CBT CBT CC CC CC CC CC CC CC CC CCB CCBS CCC CCC CCC4 CCCH CCD CCF CCF CCG CCH CCIE CCIR CCITT CCNA CCR CCS CCS7 CCS7E CCTrCH CD Cd CD-FMV CD-G >CD-I CD-R CD-ROM CD-ROM XA CD-RW CD-V CDA CDA CDB CDC4 CDDI CDE CDF CDF CDLC CDMA CDPD CDR

tel tel tel soft ICN tel tel tel tel tel tech tech tel tel tel tel tech tel tech tel tel tech tel tel tel tel tel tel tel tel tel tel tech chem tech tech tech tech tech tech tech tech tel jur tech tech tel soft tel tel tel tel tel tel

CDS CDSL CDT CDV CDV CDVT CE CE CE CE Ce CEAT CEBus CEC CEC CECS CEI CEIR CELP CEN CENELEC CEO CEP CEPS CEPT CEQ CER CERN CERT CES CESA CF CF Cf CFB CFNRc CFNRy CFU CG CG CGI CGI CGI CGM CGSM CGU CHAP CHILL CHRP CHT CHV CI CI CI

tel tel tel tel tech tel tel tech tech org chem soft tel org org tech tel tel tel tel tel tel tech org tel tel org org tel org tel tech chem ICN ICN ICN ICN tech tech tel tel soft tech tel tech tel tel tech tel tech tel tel tel

CI CI CI CI CIAC CIC CID CID CID CIDR CIF CIFF CIM CIM CIM CIO CIP CIR CIR CISA CISC CISPR CIU CIX CL Cl CLAD class A service class B service class C service class D service CLEC CLI CLI CLIP CLIP CLIR CLK CLKE1B CLLM CLNP CLNS CLP CLR CLS CM CM Cm CMA CMB CME CMI CMI CMIP

tel tel tel tech tel tel tel soft tel tech tech tel tel tech tel tech tech tech org tel org tel chem tel tel tel tel tel org tel tel tel tel tel tech ICN tel tel tel tel tel tel tel tel chem tel ICN tel tech tel

CMIS CMISE CML CMM CMM CMOS CMOT CMR CMR CMS CMS CMX CN CN CNC CNE CNE CNE CNG CNI CNIP CNIR CNM CNN CO Co COBOL COC COCOM CODEC COFIP COLI COLP COLR COM COM CONS COPA COPS CORBA CORE CorNet-NQ CoS COS COS COSE COSF COSS COT COTS COU COUB CP CP

tel tel tech tel tech tech tel tel tel tel tech tel tel tel tech tel tel org tech tel tel tel tel org tel chem soft tel org tel tel tel tel tel soft tel tel jur tel tel tel tel tel tel soft tel soft tel tel tel ICN tel tel

CP CP113 CPCH CPCS CPCS-H CPCS-PDU CPCS-SDU CPCS-T CPCS-UU CPE CPE CPG CPI CPI CPS CPSC CPSS CPTWG CPU CPN CR CR Cr CRC CRC CRES CRF CRP8 CRM CRM CRP CRP CRS CRT CRT CS CS CS CS CS Cs CS-1 CSB CSC CSCW CSDN CSE CSELT CSG CSH CSI CSI CSLB CSM

tech ICN tel tel tel tel tel tel tel tel tech tel tel tel tel org tel tel tech tel ICN tech chem tel soft tel ICN tel tech tel app app tech org tel tel tech tel tel chem tel tech ICN app tel ICN org app tech tel tel tel tel

CSMA/CA CSMA/CD CSN CSO CSP CSPDN CSR CSR CSS CSS CSTA CSU CSU CSV CSYP CT CT CT CT CT CT CT1 CT1 CTD CTD CTI CTIA CTM CTO CTP CTR CTX CU CU Cu CUG CUM CUN CV CVCF CVP CVP CVSDM CW CW CX D channel D network D/A D-AMPS D-VHS D2-MAC D2M D2M

tel tel tel tel tel tel tel tech tech tel tech org soft ICN ICN tel tel tel tech tech ICN ICN tel tech tel org tel tech tel ICN tel tech tel chem tel tel tel ICN tech tel tech tel ICN tech tech tel ICN tech tel tech tel ICN ICN

D8 D900/D1800 DA DAB DAC DACS DAF DAI DAL DAM DAMA DAP DARC DARPA DAS DAS DAS DASD DASE DAT DAT DAVIC dB DB DB Db DB/DC DB2 DBA DBA DBM DBMS DBR DBS DC DC DCA DCC DCC DCC DCC DCCH DCE DCE DCE DCE DCF DCF DCF DCF77 DCH DCI DCIM DCN

tech ICN tel tel tech tel tel tech tel tel tel tel tel org tel ICN tech tech tel tech tech org phys soft tech chem soft soft tel soft tech soft tel tel tech tel tel tel tel tech tech tel tel tel tech soft tel tel soft tech tel tech tel tel

DCO DCOM DCP DCRC DCS DCS DCS DCS DCT DCT-1900 DCT-900 DCT-WUPE DD DDC DDF DDI DDK DDN DDR DDR DDS DDS DEC DEC DECT DECT DEE DEN DES DFB DFB DFFG DFP DFSK DGPS DHCP DHO DIB DID Digital8 DIMM DIN DINA DIS DISM DIU DIU DIX DL DL DLC DLC DLCI DLD

tel soft tel tel tel tel tel org soft tel tel tel soft tech tel tel soft org tel tech tech tel org tel tel tel tel soft tech tel tech tel tel tel tel tech tel tech tech tel tech tech tech ICN ICN tel tel tel tel tel tel tel

DLD DLE DLL DLSw DLU DLUB DM DM DMA DMAC DMC DMCS DMD DME DMI DMIF DMR DMT DMTF DMZ DN DN DNA DNA DNC DNIC DNPA DNS DNS DNS DNU DOA DoCoMo DOCSIS DOD DOM DoS DOS DOS/V DP DP DP DP dpa DPC DPCM DPE DPI dpi DPLL DPMS DPNSS DPP DPPS

tech tel soft tel tel tel tech tech org tel tel tel soft soft tech tel tech org tel tel tel tel chem tech tel tel tel tel chem tel soft org tel org soft tel soft soft tel tel tech tel org tel tech soft tel tech tel tech tel soft ICN

DPRAM DPT DQDB DQPSK DRAM DRC DRCU DRF DRI DRNC DRNS DRP DRS DRX DS DS DS/SS DS-0 DS-1 DS-1C DS-2 DS-3 DS-4 DS-CDMA DS-SS DS0 DS1 DS1C DS2 DS3 DS4 DSA DSB DSB DSC DSCH DSD DSE DSG DSI DSL DSLAM DSMA DSMCC DSMX DSN DSP DSP DSR DSRR DSS DSS DSS DSS-PC

tech tel tech tech tech tel tel tel tel tel tel tel tel tech tel tel tech tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tech tel tel tech tel tel tel tel tel ICN tech tel org tel tech tel tel soft ICN tech tel

DSS1 DSS2 DST DST DSTN DSU DSU DSU DSVD DSx DTAG DTAP DTCH DTCP DTCP DTD DTE DTG DTG DTGSM DTLP DTM DTMF DTP DTPR DTT DTV DTX DÜE DUP DV DV DV DVB DVB-T DVD DVD DVD-Audio DVD-R DVD-R/W DVD-RAM DVD-ROM DVD+RW DVHS DVI DVMRP DWDM DWF DWG DXF DXI Dy E E

tel tel tech ICN tel tel tel tel tel tel org tel tel tel tech tech tel tel tel tel ICN org tel app app tel tech tel tel tel tech tech tech tech tech tech tech tech tech tel tech tech tech tech tech tel tel soft soft soft tel chem tel tel

E network E-GSM E-OSF E-TACS E1 E2 E3 E4 E5 EA EA EAI EAP EAROM EBPP EBSG EBU EBXA EC EC EC ECC ECC ECC ECC ECCS ECI ECL ECM ECMA ECP ECR ECR ECT ECTF EDA EDC EDC EDC EDF EDFA EDGE EDI EDIFACT EDO DRAM EDP EDP EDSL EDSS.1 EDTV EEC EEPROM EFCI EFF

tel tel tel tel tel tel tel tel tel tel tech tel tel tech app tel org soft app tel org tel tech tech tel org tel tech tel org tech app tel tel org tel tel tel tel tel tel tel tech tech tel tech ICN tel tech tel tel tel org

EFR EFS EFT EFTPOS EHF EHS EHSA EI EIA EIAJ EIDE EIR EIR EIRP EISA EIR EIRP EKTS EL EL ELAN ELFEXT ELI EM EMC EMF EMI EML EMML EMS EMSP EMV EMX ENDAK EOC EOF EOM EOS EOT EP EPD EPIC EPLD EPROM EPS EPSF ER Er ERAN ERICA Erl ERM ERMES ERP

tel tel tel tel tel tech org app org org tech tel tel tel tech tel tech tel tel tel tel tel tel tel tech tel tech tel ICN tech tech ICN tel tel soft tel app tech app tel tech tech tech tech soft tel chem tel tel tel app org tech

ERP ES Es ES-IS ESA ESA ESD ESF ESN ESP ESP ESPRIT ET ETACS ETAG ETB ETC ETEAE ETR ETS ETSI ETX EU Eu EUC EUC EVRC EWSD EWSP EWSX V1 EWSX V2 EWSX V3 EWSXpress EXC BER Exif F F-bus F1 OAM F2 OAM F3 OAM F4 OAM F5 OAM FA FA FAC FACCH FACH FALC FALC FAP FAQ FAS FAST FAT

app tel chem tech tech org tech tel tech tel tel org tel tel tel tel tel tel tel tel org tel org chem tech soft tel ICN ICN ICN ICN ICN ICN tel soft chem tel tel tel tel tel tel tel tech tel tel tel tel tel tel tel tel soft

FAU FAUSCH FAW FB FC-AL FCAPS FCC FCCH FCRAM FCS FDB FDD FDD FDD-DS FDD-MC FDDI FDG FDIS FDL FDM FDMA FDU FE Fe FEAL FEBE FEC FECN FED FEI FEKAT FEP FEPROM FER FERF FET FEXT FFH FFP ffs FFT FH FH FH FH/SS FHCDMA FHE FHS FIB FICOM FIFJ FIFO FIS FISC

tel tel tel tech tech tel org tel tech tel ICN tel tech tel tel tel tel tech tel tel tel tel tel chem tel tel tel tel tech tel ICN tech tech tel tel tech tel tel soft tel tel tel tel tel soft tel ICN tel tech tel app

FISU FIT FITL FLAM FLC FLEX-TD FLI flops FLT FM FM FM Fm FMB FMBS FMC FMI FMS FMT FMV FMX FN FNA FO FOA FoIP FORTRAN FP FPGA FPH FPL FPLMTS fps FPU FQDN FR FR FR FR Fr FRAD FRAD FRAM FRAPI FRC FRE FRS FS FSA FSAN FSF FSK FSL FSM

tel tel tel tel tech tel tel tech tel tel tel chem tel tel tel tel app tel tech tel tel tech soft tech tel soft tech tech tel tel tel tech tech tel tel tel tech ICN chem tel tel tech soft tel tel tech tel tel tel org tel ICN soft

FSN FTA FTA FTAM FTAM FTM FTP FTP FTTB FTTC FTTH FTTT FU FUNI FuKo FuVST FVST FW FW FWA FwVt FXM1 GA Ga GaAS IC GAD GADP GAIN GAP GAP GARP GBE Gb/s Gbit/s Gbps GC GC-DFB GCC GCRA GCU Gd GDI GDMO GDT GE Ge GEA GFC GFD GFR GFSK GGSN GHz GI

tech tel tech tel tel tel tel soft tel tel tel tel tech tel tel tel tel tech tel tel tel ICN soft chem tech tel tel ICN tel tel tel tech tech tech tech tel tech tel tel ICN chem soft tel soft tech chem tel tech tech tel tech tel tel tel

GIB GIF GII GIS GK GKS GLB GMN GMR head GMSC GMSK GMT GMX GMX-E GMX-O GND GNP GNP GNSS GNU GOSIP GP GPA GPE GPIB GPL GPRS GPS GPS GPSI GPSU GPV GR GR GS GSA GSC GSM GSM GSM G1 GSM R GSN GT GT gTLD GTP GTT GUI GVI GVNS GVPN GVRP GW GW

soft soft tech app tel tech soft tel tech tel tech tel tel tel tech tel tel soft tel tel tel tel tech soft tel tech tech tech tel ICN tel tel ICN tel tel tel soft tel tel tel soft tel tel soft soft tech tel tel tel tel soft

GWS H H.110 H.323 H/PC H/W H0 H1 H10 H11 H12 H3 H4 HA HAD HATS HAVi HBT HCP HCP HCS HD-MAC HDB3 HDLC HDM HDML HDSL HDTP HDTV HDX He HEC HEMT HEO HF HF Hf HFC Hg HGK HHO Hi8 HiFD HIPERLAN HIPPI HIU Hk HLC HLR HLRID HMX HNA HNN HO

tech chem tel tel tech tech tel tel tel tel tel tel tel tel tel org tech tech tech soft tel tel tel tel soft tel tel tel tech tel chem tel tech tech tel tel chem tel chem geo tel tech tech tel tech tel tech tel tel tel tel tech ICN tel

Ho HOC HOLB HomePNA HomeRF HON HPA HPC HPC Act HPCC HPFC HPLMN HPT HR HRFWG HRP Hs HSATM HSCSD HSM HSN HSSI HSTR HTML HTTP HTU HU HW HWT I I-ETS I-NMC I/O IA IA IA-64 IAA IAB IAB IAC IACB IAHC IAI IAM IANA IARA IARAMA IARSTAT IBM IBS IBT IC IC ICA

chem tel tel org tel tel tel tech jur tech tel tel tel tel tech tech chem tel tel tel tel tel tel soft tel tel tel tech ICN chem tel tel tech tel soft tech tel org org tech tel org org tel org ICN ICN ICN org tel tel tel tech tech

ICANN ICB ICC ICC ICCR ICCS ICD ICE ICE ICF ICH ICI ICI ICM ICMP ICN ICN ICO iCOMP ICOT ICP ICR ICSA ID IDAPI IDE IDE IDEA IDEF IDF IDF IDI IDLC IDN IDO IDS IDSL IDT IDT IDU IE IEAT IEC IEEE IEEE 1394 IEI IETF IESG IF IF IFC IFIP IFRB IGES

org ICN tel tel tel ICN tel tech tech tel tel tel tel tel tel org tech tech tech org tel tel org tel tech tech tech soft soft tel tel tel tel tel org tech tel soft tel tel tel tel org org tech tel tel tel tech soft soft org org soft

IGMP IGRP IGSN IIJ IIOP IIR IISP IKE IKZ50 ILM ILMI ILTF IMA IMAP IMAP4 IMBE IME IMEI IMHO IMS IMSI IMT IMT-2000 IMT2000 IMTC IMTS IMX IN In INAP INAP INDAS INI INMARSAT INS INS INS-P INTAP INTELSAT IOC IOC IOCP IOG IOI IOM IOMA IOP IOP:AUC IOP:SCDV IOP:SCDX IP IP IP IPA

tel tel tel org tel tel tel tel tel org tel tel tel tel tel soft tel tech tel tel tel tel org tel tel tel chem tel tel ICN tel org tel tel tel org org tech tel tel tel ICN ICN tech ICN ICN ICN tel tel tel tel

IPAT IPBX IPC IPC IPComp IPCP IPG IPH IPL IPMcast IPng IPP IPR IPS IPSEC IPSU IPv4 IPv6 IPX IPX/SPX IR Ir IRC IrDA Iridium IRL IRR IRTF IrTran-P IS-41 ISA ISAKMP ISAM ISAPI ISC ISC ISC ISCI ISDB ISDN ISDN-UP ISL ISM ISM band ISO ISOC ISP ISR ISS ISSI ISTS ISTV ISUP IT

tel tel tel tech tel tel tech tel soft tel tel tech tech tel tel tel tel tel tel tech chem tel org org tech org tel tel tech tel soft soft tel tel org tel tel tel tel tech tel tech tech org tel tech tel tel ICN tel tel tech

ITA ITAA ITC ITP ITS ITS ITSEC ITU ITU-T ITU-TS Iu Iub Iur IUS IV IVAT IVR IW-MSC IWE IWE-8 IWF IWFCE IWU IX IXC J1 J2 J3 J4 J5 JAVA JAVATEL JBZS JCA JCL JDC JDK JDSF JIH JINI JNX JPEG JPIX JSMR JTAG JTM K kb kB KB kb/s kbit/s kbps KDC

tech org tel tel tel ICN tel org org org tel tel tel tech tech tech tel tel tech ICN tel tel tel tel tel tel tel tel tel tel soft tel tel org tech org soft org tel tel org org tel tel ICN tech chem tech tech tech tech tech tech tel

kHz KN Kr ksps KTH21 KTN KVST KVZ kW L-AIS L-FEBE L-FERF L1 L2 L2F L2M L2R L2RBOP L2RCOP L2TP L3 L3C La LAC LAC LAC LACOD/LACODE LAI LAMA LAN LANE LAPB LAPD LAPD LAPDm LAPV5 layer 1 layer 2 layer 3 layer 4 layer 5 layer 6 layer 7 LB LBO LC LCD LCD LCN LCP LCR LCT LCT LCU

phys tel chem tel tel tel tel ICN phys tel tel tel tel tel tel tel ICN tel tel tel tel tel chem tel tel tel ICN ICN tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tech tel tel tel tel tel tel tel

LCV LD LD LD-CELP LDAP LDCP LE LE-ARP LEA LEAF LEARP LEC LEC LECID LECS LED LEO LEO LES LEU LEX LF LF LF LI LI LI LI Li LIBA LIC LIC LICM LIFO LIG LIJ LIU LL LL LLA LLC LLC LLC/SNAP LLI LM LM LMCS LMDS LMI LMKAT LMN LMSI LMT LMU

tel tel tech tel tel tel tel tel org tel tel tel tel tel tel tech tech tel tel tel tech tech tel tel tel tel tel chem tel tel tel ICN tech tel tel tel tel tel tel tel tel tel tel tech tel tel tel tel tel tel tel tel

LNA LND LNP LNS LOC LOF LOOS LOP LOS LPC LPD LPLMN LPS LR Lr LRC LRU LS LSB LSC LSSGR LSSU LST LSTR LSU LT LTC LTE LTG LTGB LTGM LTM LTP LTP LTU LU LU LU Lu LUP LVDS LVT LWL LWS LX LXM M M-SSP M&TS M1 M2 M3 M4 M5

tech tel tel tel tel tel tel tel tel tel tel tel tel tel chem tech tel tel tech tel tech tel soft tel tel tel ICN tel ICN ICN ICN tel tel tel ICN tel tel ICN chem tel tech tech tel ICN tel tel tel tel tel tel tel tel tel tel

MA MA MAC MAC MACF MACN MAE MAF MAF MAH MAI MAN MAP MAPDU MAPOS MAR MAR MAU Mb MB MB Mb/s MB(B) Mbit/s MBOK Mbps MBC MBS MBU MC MCA MCB MCC MCD MCEF MCF MCH MCH MCI MCI MCI MCN MCNS Mcps MCR MCR MCS MCSN MCU MCU MD MD Md MDC

tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tech tel tech tel ICN tel tech tel tel tel tel tech tel tel tel tel tech tel tel ICN tel tel tech tel tel tel tel tel tel tel tel tech tel tech chem tel

MDD MDF MDI MDS MDT MDT MDU ME ME MED MEM MEO MExE MF MF MF MFA MFC MFC:R2 MFL MFS MFS MFN Mg MGCP MGT MHEG MHN MHP MHS MHS MHU MHU MHz MI MIA MIB MIB MIC MIC MIC MIC MID MID MII MIME miniDV MINT MIPS MISE MIT MIT MLM MLP

tech tel tel tel tel tel tel tel tech tel tech tel tel tel tel tel tel tel ICN tel tel ICN tel chem tel tel org tel tech tel tel tel tel phys tel tel tech tel ICN org tech tel tel tech tel tech tel tech tel soft org tech tech

MLS MM MMAC MMB MMC MME MMF MMI MML MMM MMO MMU MMX MN MN Mn MNAP MNC MNCC MNCC-SAP MNMASE MNO MNRF MNRU MNS MNSMS-SAP MNSS-SAP MO MO Mo MO/PP MOC MOC MOD MODEM MODIF MOSPF MOU MP MP µP MPC MPCC MPDU MPEG MPEG1 MPEG2 MPLA MPLS MPM MPOA MPTY MPU MP3

tech ICN tel tel tel tel tel tech tel tel org tech tech org chem tel tel tel tel tel tel tel tel tel tel tel tel tech chem tel tel tel tech tel tel tel tel ICN tech ICN tech tel org tech tech tel tel ICN tel ICN tech tech

MRC MRN MRTG ms MS MS MS MSA MSB MSB MSC MSCM MSCP MSCU MSF MSG MSI MSIN MSISDN MSM MSN MSO MSOH MSP MSP MSRN MSS MSS MSSP MST MSU MT MT Mt MT/PP MT0 MTA MTA MTA MTBF MTC MTC MTD MTE MTH MTIE MTM MTP MTP MTP-1 MTP-2 MTP-3 MTS MTS

tel tel tel phys tel tech tech tech tel tech ICN tel tel tel org tel tech tel tel tel tel tel tel tech tel MN tel tel tel tel tel tel tel chem tel tel tel tech tel tel tech tel soft tel tel tel tel tel tel tel tel tech

MTS MTSC MTTF MTTR MTX3 MU MU MULDEX MUMS MUP MUX MVIP mW MW MWIF MX N N-AMPS N-ISDN N-ISUP N-NNI N-OSF N-PCS N-PDS N-SLT NA Na NACD NADC NAM NAMPS NANOG NAP NAP NAPT NASA NAT NATS NB NB NB Nb NBAP NBS NBT NC NC NC NC NCC NCC NCC NCCI NCH

tech tech tech tech tech tel tech tel tel tel tel tel phys phys org tel chem tel tel tel tel tel tel tel tel chem tel org tel tel org tel tel tel org tel tel org tel tech chem tel tel tel tel tel tel tel ICN IBM tel tel tel

NCK NCSA Nd NDC NDIS NDS NDUB NE NE Ne NEF NEML NER NET NetBEUI NEXT NF NF NFAS NFS NFS NFS NGI NGSO NGSO FSS NHRP NI NI NI Ni NIC NIC NIC NiCD NIH NiMH NIN NIST NITBC NITZ NLA NLM NLS NM NMC NMC NMF NMI NML NMP NMR NMR NMS NMSI

tel org chem tel soft tech tel tel tel chem tel tel tech tel tel tel tel tech tel tel tel org tel tech tel tel tel tel ICN chem tel tel tel tech org tech tel org tel tel tel org soft tel tel tel org tech tel tel tech ICN tel tel

NMR NMT NN NN NNI NNTP No NOC NOP NOP NP Np NPC NPCI NPI NRT NRT nrt-VBR NRZ NS NSA NSAP NSAPI NSDU NSP NSP NSPIXP NSS NT NT NT NT Nt NT1 NT2 NTBA NTM NTP NTPM NTS NTT NUA NUC NUI NUP NW nW O O&M O.N.E O.N.E UP OA OA OA&M

phys org tel tel tel chem tel tel tech tel chem tel tel tel tel geo tel tech tel org tel tel tel tel tel tel tel tel tech tel tel tel tel tel tel tel ICN tel org tel ICN tel tel tech phys chem tel ICN ICN tel tel

OADM OAL OAL OAL OAM OBIX OBN OBR x OC-12 OC-3 OC-3c OC-48 OCANEQ OCB OCCCH OCD OCI OCN OCU ODAGEN ODB ODCCH ODCH ODI ODL ODMA ODT ODTCH OEM OFC OFD OFDC OFDM OFFIT OFSB OH OI21 OLE OLR OLT OLTB OLTM1 OM OMAP OMC OMC-B OMC-S OMCR OMCS OMFFC OMG OMI OML OMP

tel ICN tech tel tech tel ICN tel tel tel tel tel ICN tel tel ICN tel tel ICN ICN tel tel tel soft tel tel tel tech tech tech tel tel tel tel tech tech tel tel tel tel tel tel ICN ICN ICN ICN tech tel tel tel ICN

OMP-B OMP-S OMS OMT OND ONU ONUB OOF OOK OOS OPC OPC OPSEC OR ORACH ORB OS OS Os OSA OSD OSF OSF OSF OSI OSI-RM OSM OSP OSPF OSR x OSR5 OSS OSS OSS OSS OSU OTDR OURS OVA OVP OVST P P-AIS P-bus P-FEBE P-FERF P-GSM P-MP P-NNI P-RDI P/PC PA PA Pa

ICN ICN ICN ICN tel tel tel tel tech tel tel tech tel tel tel tel ICN soft chem tel soft org tel tel tel tel soft tel tel ICN ICN tel tel tel tel tel tech tel tel tel chem tel tech tel tel tel tel tel tel tech tel tech chem

PABX PACCH PACS pACT PAD PAD PAGCH PAL PAM PAM PAMR PAP PAR PAS PAT Pb PBC PBCCH PBN PBR PBS PBX PC PC PC PC PC PC-card PCB PCCH PCH PCI PCI PCI PCM PCMCIA PCMCIA PCMIF PCN PCO PCP PCP PCPOS PCR PCR PCS PCS PCS PCS PCSI PCU PD Pd PDA

tel tel tel tel tel tel tel tech tel tech tel tel tel tech tel chem tech tel tel tel tech tel tech tel tel tech tech tech tech tel ICN tel tel tech tel org tech tel tel tech ICN ICN tel ICN tel tel tel tel org tel tel chem tech

PDC PDC PDC PDC PDC-P PDCA PDCH PDF PDH PDM PDN PDN PDP PDP-11 PDS PDS PDS PDU PECL PEDC PEI PEM PEP PFM PG PGP PGS PH PHI PHS PHY PhyCH PI PI PIAF PIAFS PICS PID PID PIN PIN diode PINX PIP PK PKI PKS PL PL PL/SQL PLC PLCC PLCP PLL PLL

tel tel tel org tel tel soft tel tech tel tel tel tech tel tel tech tel tech org tel tel tech tel tel soft tel tel tel tel tel tel tel tel org tel tel tel tech soft tech tel ICN tech ICN tech tel tel tel tech tel tel tech

PLM PLM PLMN PLN PM PM PM PM PM Pm PM/CC PMC PMD PMM PMP PMP PMR PMX PN PN PNCH PNE PNG PNG PNNI PNO PNP Po POC POCE POCSAG POF POH POI POLL PON POP POP POP3 POR POS POS POT POTS pp PP PPC PPC PPCH PPD ppm PPGA PPM PPM

tel ICN tel tech tel tech tech tech ICN chem tel tel tel ICN tel tech tel tel tel tel tel tel tel soft tel tel tel chem org tel org tel tel tel tel tel tel tel tel geo tel tel tel tech tel tel tech tel tel phys tech tel tel

PPM PPP pps pps PPS PPSC PPT PPTP PQFP PR Pr PRACH PRBS PRI PRISM PRM PROM PROVNO PRS PS PS PS PS PS PSA PSAP PSC PSDL PSDN PSI PSK PSM PSM PSP PSPDN PST PSTN PSU PT Pt PTA PTA PTC PTCH PTG PTI PTM PTO PTP PTT PU PU Pu PVC

ICN tel tel tech tel tel tel tel tech tel chem tel soft tel tel tel tech ICN tel tel tel tel tech tel tel tel tel tel tel tech tel tel tel tech tel tel tel tech tel chem ICN org tel tel tel tel tel org tel org tel tech chem tel

PVC PVC PVCC PVPC PWB PWM Q.2144 Q.2931 Q.750-Q.754 Q.811 Q.812 Q.823 Q.824 Q3 Q3PS QA QAF QAM QD QD3E QDU QMR QoS QoSS QPSK Qs QSIG Qx R RA RA RA Ra RAB RACE RACH RADIUS RADSL RAE RAI RAM RAN RANAP RAND RAS RAU Rb RBB RBC RBER RBOC RBS RCAP RCC

tel chem tel tel tech tel tel tel tel tel tel tel tel tel tel tel tel tech tel tel tech tech tel tel tech tel tel tel tel ICN tel chem tel org tel tel tel tel tel tech tel tel soft tel tel chem tel tel tel org tel tech tel

RCCB RCI RCI RCS RCS RCU RD-LAP RDBMS RDF RDI RDS RDT RDU Re RED REL RELP RES RET REVC RF Rf RFA RFC RFC RFCH RFCN RFFG RFI RFI RFLB RFU RG Rh RHS RIC RIC RICE RIES RIP RIP RIPE/NCC RISC RITL RITM RIU RKW RLC RLC RLC RLCP RLI RLP RLR

tel tel tech tel tel tel soft tel tel tel tel ICN chem tel tel tel tel tel tel tel chem tel tel ICN tel tel tech tel tel tel chem tech tel tech tel tel tel tech tel tech tel tel tel tel tel tel soft tel tel tel tech

RLS RM RM RM RMC RMI RMON Rn RNC RNO RNR RNS RNS RNSAP RNT RNTI ROBO ROI ROI ROM ROS ROSE ROT RP RPC RPCU RPE-LTP RPI RPOA RR RR RR RRC RRM RRSM RS RS RS RSAK RSATM RSCP RSE RSIP RSL RSOH RSS RSSI RST RSU RSVP RSVP RSZI RT RT

tel tel tel tel tel tel tel chem tel tech tel tel tel tel tel tel tech tel tech tel ICN tech ICN tel tel tel tech org tel ICN tel tel tel tel tel tel tel tel tel tel ICN tel tel tel tel tech tel tel tel tel tel

RT RT-VBR RTC RTCP RTFM RTOS RTOT RTP RTS RTSE RTSP Ru RWS RX RXAMCO RXB RXF RXMC RXPA RXU RZ RZ S S.100 S.200 S.300 S/MIME S/N S/P S-AAL S-OSF SA SA SAA SABM SAAL SAC SACCH SACE SACF SAF SAG SAG SAI SAM SAMP SAP SAP SAPI SAR SAR-SDU SAS SAT SAW

tech tel tel tel tech tech tel tel tech tel tel chem tel tech tel tech tech tech tech tech tech tech chem tel tel tel soft tech tel tel tel org tech tel tel tel tel ICN tel tel tel tel org tech tel tel tel tel tel tel tel tel tech tech

SB SB Sb SBC SBR SBR SBR SBS SBS SC SC Sc SCAP SCCH SCCP SCE SCEG SCEP SCF SCF SCG SCH SCI SCI SCI SCL SCLC SCM SCM SCM SCM SCM SCM SCN SCN SCO SCO SCOC SCP SCR SCR SCRC SCSA SCSI SCSP SCT SCTP SCTS SCU SD SD SD SDC SDC

tech soft chem tel tech tel tel ICN org tel tel chem tech tel tel tel org tel tel tel tel ICN tel ICN tech ICN tel tel tech ICN ICN tech tech tel ICN tel tel tel tel tel tel tel tech tech tel tel tel tel tel ICN tel tech tel tel

SDCCH SDDPFC SDF SDH SDH-OM SDHT SDK SDL SDL SDL SDM SDM SDMA SDMI SDMT SDP SDR SDRAM SDSL SDT SDU SE SE Se SEF SEF SEFS SEG SEP SEP SES SESAME SET SFD SFH SFN Sg SGC SGML SGSN SHF SHTTP SI SI SI SI Si SIB SIB SID SID SIE SigVC SigVCC

ICN ICN tel tel tel tel tech tel tel ICN tel tel tel org tel tel tech tel tel tel tel tel chem tel tel tel org tel tech tel tel tel tel tel tel chem tel tel tel tel tel tel tel tech tel chem tel ICN tel tel tel tel tel

SILT SIM SIMP SIMUX SIN SIO SIO SIOS SIP SIPO SIR SIR SIS SISA SIVAPAK SK SKIP SL SLA SLC SLCA SLCD SLI SLIM SLIP SLM SLM SLMA SLMB SLMD SLP SLP SLR SLT SLT SLT SLTM SM SM SM SM Sm SM-AL SM-RL SMA SMAE SMAP SMASE SMB SMB SMC SMD SMD SMD

ICN tel ICN ICN tel tel tel tel tel tel tel tel tech ICN ICN tel tel ICN tech tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tech chem tel tel ICN tel tel ICN tel tech tel tech tech ICN

SMDS SME SMF SMG SMIL SML SMN SMP SMPP SMS SMS SMS SMS MT SMS P-P SMS-C SMSC SMSCB SMSU SMT SMT SMT SMTP SMU SMUC SMUD SN SN SN SN SN SN SN Sn SNA SNAP SNAPI SNCF SNDCF SNDCP SNG SNI SNI SNI SNMP SNP SNR SNR SOA SOA SOC SOH SOHO SOHO SONET

tel tel tel tel tech tel tel tel tel tel ICN tech tel tel tel tel tel ICN tel tel tech tel tel ICN ICN tel tel tel tel tel tel org chem tel tel ICN org tel tel tel org tel tel tel tel ICN tech tel tel tech tel org tech tel

SOR SP SP SP SP SPC SPC SPCK SPD SPE SPF SPI SPI SPI SPM SPMX SPNP SPSU SPU SPU SPVC SPVCC SPX SQL SQS SR Sr SRES SRF SRI SRNC SRNS SRP SRS SRTS SRU SS SS SS SS#7 SS7 SSAP SSB SSCF SSCOP SSCS SSD SSD SSF SSG SSG SSI SSL SSM

tel tel tel tel tech tel tech tel org tel tel tel tel tech ICN tech tel tech tel tel tel tel tel soft ICN tel chem ICN tel tel tel tel tel tel tel tel ICN tel tel tel tel tel tech tel tel tel tech ICN tel ICN tel tel soft tel

SSM SSN SSNC SSO SSP SSP SSS SSU ST ST STAT STB STC STC STE STF STM STM STM-1 STM-16 STM-4 STM-N STMA STMEKA STMR STOT STP STP STS STS-3c STS-N STTP SU SU SUA SUGR SUN SUS SVC SVC SVC SVC SVHS SVN SVP SW SWAP SWAP-CA SWM SWOT SWR SXC SXC SYB

tech tel tel tech tel tel ICN tel tel tel tel tel tel tel tel tel tech tel tel tel tel tel tel tel tech tech tel tel ICN tel tel org tel tel tel tel tel tel tel tel tel tel tech soft tel soft tel tel soft tech tel ICN tech

SYD SYP SYPD T/NT T-1 T-2 T-3 T-4 T1 T2 T3 T4 TA TA Ta TAC TAC TAC TACS TADS TAF TAF TAP TAPI TB Tb tbd tbr TC TC TC TC Tc TCAP TCB TCB TCB TCC TCCB TCE TCH TCH TCI TCI TCM TCO TCP TCP/IP TCSEC TCU TCU TD-CDMA TD-SCDMA TDD

ICN ICN ICN tel tel tel tel tel tel tel tel tel tel tech chem tel tech soft tel ICN tel tel tel tel tech chem tel tel tel tel org chem tel tech soft tel tel tel tel tel tel tel tech tel tel tel tech tel tel tel tel tel

TDM TDM/STM TDMA TDMA/TDD TDP TDP TDR TE TE Te TE-RSVP TE1 TE2 TED TEI TEMS TETRA TF TF TFA TFCI TFI TFI TFP TFTS Th THX TI TI Ti TIA TID TID TIE TIES TIFF TIM TINA TINA-C TIS TIU Tl TLA TLD TLLI TLM TLS TLV TM TM Tm TMB TMC TMC

tel tel tel tel tel tech tech tel tel chem tel tel tel ICN tel ICN tel tel tel tel tel tel tel tel tel chem tech soft org chem tel ICN tel tel tel soft tel tel tel ICN tel chem tel tel tel tel tel tel tel tel chem ICN tech tel

TMDS TME TMN TMP TMR TMRP TMS TMS TMS TMSI TN TNS TOD TOG TOH TON TP TP TPC TPDU TPID TPS TPU TPU TR TR TR TRAC TRAMOS TRAU TRC TRX TS TS TS TS TSAG TSAP TSAPI TSDI TSG TSI TSM TSO TSO TSPI TSR TSS TSS TTC TTCN TTE TTL TTL

tech tel tel ICN tech tel tel ICN tel tel tel tel soft tech tel tel tel tech tel tel tel tel tel soft tel tech tech ICN ICN ICN tech tech ICN tel tech tel org tel tel tel ICN tech tech tech soft tel soft tel soft org tech tech tel tech

TTNet TTS TTT TTU TTY TU TU TU TUCN TUP TV TV TVC TWS TX TXCU TXS TXU U U-ADSL U-MSC UA UAN UART UAS UAWG UBR UCAID UDC UDF UDI UDI UDLR UDP UDT UDT UE UER UHF UI UID UIM UIS UISF UL UME UME UMF UML UMPTS UMTS UN UNEQ UNI

tel tech tel tel tel tel tel org tel tel ICN tech tel ICN tech ICN tel ICN chem tel tel tel tel tech tel tel tel org ICN tel tel tel tel tel tel soft tel tel tel tech ICN tel tel tel tech tel tel tech tel tel tel tel tel

UOS UP UPC UPCH UPI UPnP UPS UPS UPT URA URL US USA USB USC USC USF USIM USSD USTAT UTC UTOPIA UTP UTRA UTRAN Uu UUENCODE UUI UUS UUS1 UUT V Video8 VAD VAD VADSL VAN VAP VAR VAS VBN vBNS VBR VBR-NRT VBR-RT VBS VC VC VC VC VC-4 VC-AIS VC-FERF VC-n

tel tel tel tel tech tech tech org tel tel tel tech tel ICN tel tel ICN tel phys ICN tech tel tel tel soft tel tel ICN tech chem tech ICN tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel tel

VC-RDI VCC VCC VCCE VCI VCL VCN VCO VCPU VCTTP VDE VDI VDSL VDU VE VF VGCS VHDSL VHE VHF VHS VID VLAN VLE VLF VLR VLSI VM VM VM-C VMS VMSC VMSC VMZ VNK VOB VoBB VoD VoDSL VoFR VoIP VOT VP VP-AIS VP-FERF VP-RDI VPC VPCE VPCI VPDN VPG VPLMN VPI VPL

tel tel tel tel tel tel tel tech tech tel org tel tel tel tel tel tel tel tel tel tech tel tel tel tel tech tel tech tel tel ICN ICN ICN ICN tech tel tel tel tel tel ICN tel tel tel tel tel tel tel tel tel tel tel tel

VPN VPT VPTTP VRC VRML VRRP VRU VSA VSAT VSB VSC VSN VSt VSWR VT VTM VTOA VTP W W-CDMA W-LAN W-PBX W3C WABI WAIS WAN WAP WARC WCCP WDM WebDAV WFQ WGS WINS WIPO WLAN WLL WLT WM WIMP WIN WLL WM WM WML WRC WS WSF WSSF WTA WWW WYSIWYG X.25 X.400

tel tel tel tel soft tel tel tel tech tel tel tel tel tech tel org tel tel chem tel tel tel org soft tel tel tel org tel tel tel tel phys tel org tel tel tel tech tel tel tel org tech tel tel tel tel soft tel tel

X.75 X121 XC XCDR xDSL Xe XID XLD XLink XML xSCP XUM XUS Y Y-500 YAHOO Yb Yb Z.E.N.works ZAW ZBU ZC ZCS ZGS Zk ZMF Zn ZVSt ZZF ZZK

tel tel tel tech tel chem tel ICN tel soft tel tel tel chem tel soft ICN chem tel tech org tel tel tel chem ICN chem tel org tel

© 1998,1999,2000 Siemens AG, ICN M NT 13, Elmar Dünßer

ons for Telecommunication & Multimedia

Last updated: 2000-05-19

use abbreviations from other contexts are added. This list of abbreviations is by no means complete. No guarantee is given for the corr an error or if you know an interesting abbreviation that is still missing, please send an

hem=chemical, geo=geographic, jur=law or act, org=organization or company, phys=physical, soft=software, tech=technical, tel=tele n without relation to telecommunication.

he table is loaded (ca. 401 KB) [Gigabit] Ethernet physical layer specification [1 Gbps] Ethernet physical layer specification [100 Mbps] Ethernet physical layer specification [10 Mbps] second generation EWSX node (common numbering with Newbridge) computer, communications & compatibility third generation third generation partnership project third generation partnership project 2 reamplification, reshaping, retiming 1958: 1st public radio network in Germany [150 MHz, 16 physical channels] analog to digital conversion/converter ATM adaptation layer 1 for HDLC/CCS7 protocol authentication, authorization & accounting ATM adaptation layer ATM adaptation layer type 1 (good for class A service) ATM adaptation layer type 2 (good for class B service) ATM adaptation layer type 3/4 (good for class C and D service) ATM adaptation layer type 5 (good for class C and D service) alternative access provider answering machine (Anrufbeantworter) access burst administration and billing center application binary interface available bit rate Amtliches Bayerisches Reisebüro ATM block transfer / delayed transmission ATM block transfer / immediate transmission authentication center alternating current (Wechselstrom) actinium / Actinium / lat. actinium / 89 protons AC/DC converter (Gleichrichter) 5-channel audio system [Dolby] adaptive channel allocation ATM230 control block account card calling automatic congestion control ATM crossconnect area communications controller ATM control and clock generation unit associated control channel

automatic call distribution advanced coding efficiency antenna coupling equipment auxiliary clock generator authentication center home location register identity atomicity, consistency, isolation, durability acknowledgement [character] asynchronous connectionless link access control module address complete message (B-ISUP) accumulated call meter adaptive clock method association for computing machinery antenna combiner/combining advanced configuration and power interface association control protocol machine administrative domain name challenge panels automatic carrier routing apply charging report adjacent carrier suppression association control service element air condition system fault active state advanced compatible television antenna combining unit automatic calling unit accessory control unit air condition unit antenna diversity adapter TV-Asahi Data And Multimedia Service association of data processing service organization administration center analog to digital conversion/converter American Digital Cellular advanced data communications control protocol adaptive discrete cosine transform automatic data handling add drop multiplexer application data manager adaptive delta modulation advanced multifunctional operator service system abbreviated dialling number adaptive differential pulse code modulation active directory service interfaces asymmetrical digital subscriber line [6 Mbps downlink, 640 kbps uplink] advanced television adaptive error control acoustic echo control aeronautical emergency communications system advanced encryption standard ATM end system address audio frequency ATM Forum

automatic frequency control authority and format identifier atomic force microscope AppleTalk filing protocol (Apple) Armed Forces Radio Service (USA) Andrew File System silver / Silber / lat. argentum / 47 protons automatic gain control access grant channel accelerated graphics port authentication header artificial intelligence [system] action indicator Artificial Intelligence roBOt (jap. aibo=partner) [Sony] advanced interactive content application ID channel address-indicating group ATM inverse multiplexing advanced intelligent network ATM inter-network interface alarm indication signal alarm indication signal advanced intelligent tape (Sony) APPN Implementors Workshop as known as / alias Auskunftssystem Hardware alarm alignment aluminum / Aluminium / lat. aluminium / 13 protons adaptive linear coding access link control application part alarm collecting module algorithmic language alarm and interface module alarm indication module for MPU version B and C ATM layer processor element ATM layer processing unit arithmetic and logic unit amplitude modulation alarm management americium / Americium / lat. americium / 95 protons automatic message accounting alarm and monitoring board administrative management complex Advanced Micro Devices amplitude modulation equivalent Asian Multimedia Forum alternate mark inverse (line code for DS1) advanced mobile phone system (American standard) automatic message processing system adaptive multi rate audio-visual and multimedia services advanced mobile traffic information and communication system automated maritime telecommunications system (USA)

ATM multiplexer/demultiplexer ATM multiplexer module A ATM multiplexer type E access node access node address answer message (B-ISUP) AAL2 negotiation protocol answer message American National Standard (USA) automatic answer network system for electronic request American National Standards Institute (USA) automotive network exchange always on always on / dynamic ISDN advice of charge automatic output control advice of charge - charging level advice of charge - information level America OnLine (Internet Service Provider) ATM OAM processor .element application part application process audio processor adaptive predictive coding adaptive puls code modulation avalanche photo diode application protocol data unit application program interface advanced programmable interrupt controller Asia-Pacific Mobile Telecommunications [Satellite] Asia-Pacific Networking Group Asia-Pacific network information center advanced program to program communication advanced peer to peer networking automatic protection switching application program system (Anlagen-Programm-System) artificial reality argon / Argon / lat. argon / 18 protons absolute radio frequency channel number Association of Radio Industries and Businesses absolute radio frequency channel number Association of Radio Industries and Businesses American registry of internet numbers address resolution protocol advanced research projects agency [computer] network automatic repeat request access server autonomous system arsenicum / Arsen / lat. arsenicum / 33 protons analog subscriber circuit alarm signal cable access service control element American Standard Code for Information Interchange application service element

advanced streaming format (Microsoft) application specific integrated circuit amplitude shift keying ATM switching module ATM swiching module for ASN-G advanced storage magneto-optical [disc] ATM switching network (ATM-Koppelfeld) abstract syntax notation one ATM switching network, type E (shelf) alternative service provider application service provider alarm and status panel active server pages adjunct service point ATM switching preprocessor element answer seizure ratio ATM switching unit Abgas-Sonder-Untersuchung activity test astatine / Astat / lat. astatum / 85 protons American Telephone & Telegraph Company AT attachment (disk drive interface) AT attachment packet interface all trunks busy analog trunk card automatic test equipment advanced traffic information services asynchronous transfer mode Adobe Type Manager (Adobe) automatic teller machine (Geldautomat) asynchronous transfer mode - protocol data unit asynchronous transfer mode - service data unit ATM interface ASIC on MP boards of EWSX, connects MP to AMX / ASN asynchronous transfer mode / 25.6 Mbps ascend tunnel management protocol ATM rate adapter automatic operator Adenosintriphosphat Advanced Telecommunications Research Institute adaptive transform acoustic coding Advanced Television Systems Committee (Amerikanisches HDTV) analog trunk termination advanced television Advanced TeleVision Enhanced Forum access unit (Anschlußeinheit) answer unit administrative unit gold / Gold / lat. aurum / 79 protons access unit broadband access unit broadband type B authentication center access unit broadband attachment unit interface acceptable use policy

audio video interleaved (Microsoft) audio/video/data architecture for voice, video and integrated data advanced wireless access area-wide Centrex additive white Gaussian noise Aho, Weinberger, Kernighan [text file processing language] boron / Bor / lat. borum / 5 protons 1972: 2nd public radio network in Germany [150 MHz, B1: different from A; B2: B1+A, 74 channels] broadband code division multiple access broadband inter-carrier interface broadband ISDN broadband inter-switching system interface broadband ISUP broadcasting multiplexed analog component broadband ISDN network termination broadband network termination type 1 broadband network termination type 2 business operation system function boundary representation broadband service node interface broadband terminal adaptor broadband terminal equipment type 1 broadband terminal equipment type 2 broadband user network interface bipolar with 3 zero substitution (line code used for DS3) bipolar with 8 zero sustitution basic access (= BRI) [2xB64 + D16 + Overhead = 192 kbps] bus arbitration buffer allocation British Air barium / Barium / lat. barium / 56 protons bandwidth allocation control protocol bit alignment fault barring [of] all incoming calls barring [of] all outgoing calls base processor beginner's all-purpose symbolic instruction code broadband (Breitband) British Broadcasting Corporation association of broadband network business chance & and culture creation bulletin board system bearer capability base controller Bellcore block check character BTS color code broadcast call control base core controller (controlling BTS+) broadcast control channel binary coded decimal BSS central equipment broadcast channel Bose-Chaudhuri-Hocquenghem code

bearer capability information element broadband connection-oriented bearer broadband customer premises network basic call state model basic craft terminal base station control unit backup domain controller best effort beryllium / Beryllium / lat. beryllium / 4 protons bit error (ratio) backward explicit congestion notification configuration management program (Betriebsmanagement) bit error rate bit error rate testing bus extension unit basic function charging binary feedback bad frame indication begin acknowledge begin [command] border gateway protocol Baugruppenrahmen begin reject bohrium / Bohrium / 107 protons busy hour call attempts busy hour half call attempts broadcast HTML bismuth / Bismut|Wismut / lat. bismutum / 83 protons broadband IP access server backward indicator bit barring of all incoming calls when roaming outside home PLMN country billing of generic internet service Berkeley internet name domain basic input output system bit interleaved parity built in self test bit switch for optimized networks binary digit berkelium / Berkelium / lat. berkelium / 97 protons broadband modem access protocol business management layer basic man-machine language bridge number früherer ÖN-Geschäftsbereich "Breitband-Netze" Backus-Naur form barring of all outgoing calls except those to home PLMN Bell operating company bandwidth on demand barring of all outgoing international calls barring of all outgoing international calls except to home PLMN country beginning of message Behörden und Organisationen mit Sicherheitsaufgaben bridge protocol data unit broadband passive optical network

business process reengineering bit per second binary phase shift keying backward reporting bromine / Brom / lat. bromum / 35 protons basic rate access broadband radio access network Bundesrepublik Deutschland bus ready enable baud rate generator basic rate interface (= BA) bearer service base station broadcasting satellite business software alliance base station controller binary synchronous communications base station controller interface Berkeley Software Distributions base station interface base transceiver station identity code backup storage module backward sequence number base station system base station subsystem base station system application part base station subsystem GPRS protocol base station system management application part base station system operation and maintenance application part base station system test equipment base station transceiver base station system switch unit bit time board test British Telecom basic trading area beginning tag build to order base transceiver station base transceiver station equipment base transceiver station management broadcast unknown server Bereitstellung zur Abnahme carbon / Kohlenstoff / lat. carbo / 6 protons 1985: 3rd public radio network in Germany [450 MHz, 287 physical traffic channels] carrier to interference ration carrier to noise ratio command / response container for SDH signals - level 4 customer operation system function C [programming language] + object orientation conditional access cordless access certification/certificate authority

cell allocation collision avoidance California calcium / Calcium|Kalzium / lat. calcium / 20 protons call admission control connection admission control common access channel computer aided design common application environment computer aided engineering credit and finance information system compound annual growth rate charge advice information common air interface computer-aided information California Broadband Users Group call processing continuous acquisition and life-cycle support content addressable memory computer aided manufacturing Concentrator and Access Multiplexer centralized automatic message account content addressable memory element customized application for mobile networks enhanced logic CoAxiom management system computer automated ordering carrierless amplitude/phase [modulation] central alarm port cabling access panel competitive access provider call processor (EWSD) CAMEL application part [protocol] common application programming interface character and pattern telephone access information network [system] (Japanese BTX) committed access rate channel associated signaling common application service elements computer aided software engineering computer aided testing credit authorization terminal credit application terminal network cable television (Kabelfernsehen) community antenna television call barring cell broadcast citizen band [27 MHz radio] competitive benchmarking cell broadcast center cell broadcast channel connectionless broadband data service cell broadcast message identifier consortium for business object promotion constant bit rate case based reasoning

cell broadcast relay service element cell broadcast service cell based traffic computer based training channel code country code call control cross connect continuity check|checking contiguous concatenated chip card credit card channel control block call completion to busy subscriber credit card calling common channel controller a type of coaxial cable common control channel charge coupled device call control function conditional call forwarding (supplementary service) central clock generator control channel Cisco certified internetwork expert (Cisco) Comité Consultatif International de Radio|Radiophonique Comité Consultatif International Télégraphique et Téléphonique Cisco certified network associate (Cisco) current cell rate common channel signaling common channel signaling system no. 7 CCS7 evolution coded composite transport channel compact disc cadmium / Cadmium / lat. cadmium / 48 protons compact disc [interactive] - full motion video compact disc - graphics compact disc - interactive media compact disc - recordable compact disc - read only memory compact disc - read only memory extended architecture compact disc - rewritable compact disc - video circuit duplex asynchronous The Communications Decency Act of 1996 common data base a type of twisted pair cable copper distributed data interface common desktop environment channel definition format cutoff decrease factor cellular data link control code division multiple access cellular digital packet data call detail record

circuit duplex synchronous consumer digital subscriber line cell delay tolerance cell delay variation compact disk video cell delay variation tolerance connection element circuit emulation consumer electronics Communauté Européenne (Europäische Union) cerium / Cer / lat. cerium / 58 protons conditional expression algorithm table consumer electronics bus Commission of the European Communities center for educational computing chip electronic commerce standard connection endpoint identifier central EIR code excited linear prediction Comité Européen de Normalisation Comité Européen de Normalisation Electrotechnique chief executive officer connection end point color electronics prepress system European conference of postal and telecommunications administrations customer equipment cell error rate conseil européen pour la recherche nucléaire computer emergency response team circuit emulation service computer entertainment software association call forwarding compact flash RAM (flash RAM module standard) californium / Californium / lat. californium / 98 protons call forwarding on [mobile subscriber] busy call forwarding on [mobile subscriber] not reachable call forwarding on [mobile subscriber] no reply call forwarding unconditional clock generator computer graphics common gateway interface cell global identity computer graphic interface computer graphics metafile clock generator and signal multiplexer clock generator unit challenge-handshake authentication protocol CCITT high level [programming] language common hardware reference platform call holding time card holder verification information cell identity continuation indicator congestion indication

common interface closed user group index controlled introduction [NewBridge] competitive intelligence computer incident advisory capability circuit identification code channel identifier connection identification call instance data classless inter-domain routing common intermediate format camera image file format common information model call information manager computer integrated manufacturing chief information officer Carriage Insurance Port committed information rate channel interference ratio certified information systems auditor complex instruction set computer Comité International Spécial des Perturbations Radioélectrique customer interface unit Commercial Internet Exchange [Association] cell loss chlorine / Chlor / lat. chlorum / 17 protons cell assembly / disassembly synchronized, connection oriented, constant bitrate connection synchronized, connection oriented, variable bitrate connection not synchronized, connection oriented, variable bitrate connection not synchronized, connectionless, variable bitrate connection competitive local exchange carrier command line interface calling line identity calling line identification presentation connectionless Internet protocol calling line identification restriction clock clock element version 1B consolidated link layer management connectionless network protocol connectionless network service cell loss priority cell loss ratio/rate connectionless service/server connection management configuration management curium / Curium / lat. curium / 96 protons connection management architecture clock module board Centralized Monitoring Equipment coded mark inversion computer managed instruction common management information protocol

common management information service common management information service element [protocol] current mode logic channel mode modify common memory module complementary metal oxide semiconductor common management information protocol over TCP/IP cellular manual revision cell misinsertion rate cash management service conversational monitor system (IBM) cross multiplexer core network connection number computerized numerical control circuit node equipment certified NetWare engineer (Novell) Chinese Network Europe (Sat-TV) comfort noise generator comfort noise insertion calling number identification presentation calling number identification restriction customer network management Cable News Network connection oriented cobalt / Cobalt / lat. cobaltum / 27 protons common business oriented language cross office check coordinating committee for export control coder/decoder command file processor connection line identity connection line identification presentation connection line identification restriction component object model continuation of message connection oriented network service Child Online Protection Act common open policy service common object request broker architecture council of registrars CorNet based on QSIG class of service connection orientied service cosine (Kosinus) common open software environment customer operation system function common object service specification central office terminal/termination connection oriented telephone service control of use conference unit call processing common part

central processor coordination processor 113 (EWSD) common packet channel common part convergence sublayer common part convergence sublayer - header common part convergence sublayer - protocol data unit common part convergence sublayer - service data unit common part convergence sublayer - trailer common part convergence sublayer - user-to-user indication customer premises equipment computer performance evalutation call progress message (B-ISUP) coordination processor interface common part indicator common part sublayer consumer products safety commission central processor subsystem copyright protection technical working group central processing unit customer premises network code receiver change request chromium / Chrom / lat. chromium / 24 protons cyclic redundancy check cyclic redundancy code Code Receiver / Echo Suppression [local] connection related function code receiver for pushbutton dialing, 8 receiver modules cell resource manager customer relationship management convenience radio phone continuous replenishment program (->ECR) computerized reservation system cathod ray tube copyright royalty tribunal convergence sublayer carrier switch customer service communication satellite connection specific caesium / Cäsium / lat. caesium / 55 protons capability set 1 [ITU-T] common system bus combined switching center computer supported cooperative work circuit switched data network CAMEL service environment Centro Studi e Laboratori Telecommunicazioni s.p.A constructive solid geometry (groupware) color super-homeotropic mode [liquid crystal] carrier scale internetworking convergence sublayer indication continuous state leaky bucket customer service management

carrier sense multiple access with collision avoidance carrier sense multiple access with collision detection circuit switching network corporate strategic officer certified service provider circuit switched public data network customer service representative cell switch router cascading style sheet content scrambling system computer supported telephony application chip select unit Christlich-Soziale Union comma separated value central system panel call transfer controlled transfer craft terminal cordless telephony channel tester computer tomography (Computertomographie) [Standard for] cordless telephone commercial type 1 cell transfer/transmission delay cartridge tape drive computer telephony integration cellular telecommunications industry association cordless services first step configure to order connection terminating point directional radio system from Milano centrex clock unit control unit copper / Kupfer / lat. cuprum / 29 protons closed user group control unit mobile closed user network code violation constant voltage constant frequency content vectoring protocol constrained video parameter continuously variable slope delta modulation call waiting continuous wave coexistence specification signaling channel in narrowband ISDN 1991: 4th public radio network in Germany [900 MHz, 992 channels, half for D1 und D2, GSM] digital to analog conversion/converter digital advanced mobile phone system (American standard) digital video home system (digital video tape format, up to 500 lines horizontal resolution) D2 multiple analog component (European TV standard) PCM interface card (2 Mbit/s) digital line interface for GSM (2 Mbit/s)

digital video on 8mm tape, aka Digital8 (digital video tape format, 500 lines of horizontal resolution) digital mobile radio communication network, GSM standard, 900/1800 MHz Band digital access [NTT] digital audio broadcasting digital to analog converter digital access and cross-connect system destination address field digital audio interface drahtlose Anschlußleitung DECT authentication module demand assignment multiple access data access point data radio channel Defense Advanced Research Projects Agency [USA] digital announcement system supervisory system used for CTR data acquisition system direct access storage device digital television application software environment digital audio tape digital audio transmission Digital Audio Visual Interactive Counsil deziBel data base dummy burst dubnium / Dubnium / 105 protons data base/data communication Database 2 (IBM) dynamic bandwidth allocation data base administration dual bitmap data base management system deterministic bit rate direct broadcasting satellite direct current (Gleichstrom) dedicated control [service access point] dynamic channel allocation|assignment data communication channel data country code direct current converter digital compact cassette dedicated control channel data communication equipment data communication equipment data circuit [terminating] equipment distributed computing environment data communication function direct connect fabric Design rule for Camera File system (JEIDA) Deutsches Cäsium Frequenznormal 77,5 kHz dedicated channel display control interface dedicated channel interface module data|digital communication network

digital central office distributed component object model data communication processor digital cellular radio conference dynamic channel selection data communication system Digital Communication System [1710-1785 MHz uplink, 1805-1880 MHz downlink] Defense Communications System (USA) discrete cosine transform Digital Cordless Telecommunications at 1900 MHz (USA) Digital Cordless Telephony at 900 MHz (Sweden) digital cordless telecommunications wireless user premises equipment data dictionary display data channel digital distributor frame direct dial in device development kit Defense Data Netowrk (USA) double data rate [mode] Deutsche Demokratische Republik direct digital synthesis digital data storage digital echo compensator Digital Equipment Corporation digital enhanced cordless telecommunications digital European cordless telephone Datenendeinrichtung directory enabled network data encryption standard distributed feed-back [laser diode] Deutscher Fussball-Bund (German soccer association) default forwarder function group digital flat panel port double frequency shift keying differential global positioning system dynamic host configuration protocol diversity handover dual independant bus direct inward dialing digital video on 8mm tape, aka D8 (digital video tape format, 500 lines of horizontal resolution) dual in-line memory module Deutsche Industrie-Norm NEC network architecture [NEC] draft international standard digital interface standard for monitors digital interface unit (EWSD) DECT interface unit (CoAxiom) digital Internet exchange data link downlink data link control data link connection data link connection identifier data link discriminator

design level description data link escape character dynamic link library data link switching digital line unit digital line unit B delta modulation Deutsche Mark direct memory access design & modeling application council digital multi channel Digital Mobile Communication System differential mode delay distributed management environment desktop management interface delivery multimedia interface digital mobile radio system discrete multi-tone [modulation] Desktop Management Task Force demilitarized zone (e.g. Internet server inside a firewall) dialing number directory number digital network architecture deoxyribonucleic acid (DNS) direct numerical control data network identification code data numbering plan area domain name service domain name system Desoxyribonukleinsäure data network unit data oriented approach NTT Mobile Communication Network, Inc. (jap. dokomo = everywhere) data over cable service interface specification [U.S.] Department of Defense document object model denial of service disk operating system [Japanese] disk operating system based on VGA cards dial pulse detection point (BCSM) draft proposal data package Deutsche Presseagentur destination point code differential pulse code modulation distributed processing environment destination process identification dots per inch digital phased locked loop display power management system digital private network signaling system direct printing protocol (1394) data post processing system

dual-port RAM dynamic packet transport distributed queue dual bus differential quadrature phase shift keying dynamic random access memory digital radio controller diversity radio channel unit D-channel relay function digital radio interface drift radio network controller drift radio network subsystem distribution and replication protocol digital radio system discontinuous reception direct sequence digital section (F2) direct sequence spread - spectrum digital signal level 0 (64 Kbps) digital signal level 1 (see T1, 1.544 Mbps, 24x DS0) digital signal level 1C (3.152 Mbps, 48x DS0) digital signal level 2 (see T2, 6.312 Mbps, 4x DS1 resp. 96x DS0) digital signal level 3 (see T3, 44.736 Mbps, 28x DS1 resp. 672x DS0) digital signal level 4 (see T4, 274.176 Mbps, 4032x DS0) direct sequence - code division multiple access direct sequence - spread spectrum digital signal level 0 (64 Kbps) digital signal level 1 (see T1, 1.544 Mbps, 24xDS0) digital signal level 1C (3.152 Mbps, 48xDS0) digital signal level 2 (see T2, 6.312 Mbps, 4x DS1 resp. 96xDS0) digital signal level 3 (see T3, 44.736 Mbps, 28x DS1 resp. 672x DS0) digital signal level 4 (see T4, 274.176 Mbps, 4032x DS0) data service adapter digital switch board double sideband [modulation] digital subscriber card downlink shared channel direct stream digital data switching exchange digital subscriber group digital speech interpolation digital subscriber line digital subscriber line access multiplexer digital sense multiple access digital storage media command and control data signal multiplexer Defense Switching Network (USA) domain specific part digital signal processor data signaling rate digital short range radio digital signature standard data display unit (Datensichtstation) decision support system digital satellite service - personal computer

digital subscriber signaling [system] [no.] 1 digital subscriber signaling [system] [no.] 2 direct stream transfer Dienststelle dualscan supertwisted nematic [liquid crystal display] digital signal unit data service unit digital service unit digital simultaneous voice and data digital signal level x (e.g. DS1) Deutsche Telekom AG direct transfer application part dedicated traffic channel dynamic tunnel configuration protocol digital transmission content protection document type definition data terminal equipment digital trunk group date-time group digital trunk group with sub-multiplexing dual trunk link peripheral card Deutsche Tele Mobil GmbH dial tone multi-frequency [signaling] desktop publishing desktop presentation digital trunk termination desktop video discontinuous transmission Datenübertragungseinrichtung data user part digital video digital video tape (digital video tape format, 500 lines of horizontal resolution) digital video [cassette format] digital video broadcast digital video broadcast - terrestrial digital versatile disc (new name, digital video disk format, up to 500 lines horizontal resolution) digital video disc (old name) digital versatile disc - audio digital versatile disc - recordable digital versatile disc - read/write (max. 1000x) digital versatile disc - random access memory (max. 100000x) digital versatile disc - read only memory digital versatile disc + rewritable digital video home system (digital video tape format, up to 500 lines horizontal resolution) digital video interactive distance vector multicast routing protocol dense wavelength division multiplexing drawing web format drawing (CAD file format) drawing interchange format data exchange interface dysprosium / Dysprosium / lat. dysprosium / 66 protons Erlang Ethernet

1994: 5th public radio network in Germany [1800 MHz, 2992 channels, TDMA/FDMA] extended GSM element operation system function Extended Total Access Communication System European PDH transmission signal level 1 [ 2.048 Mbps] European PDH transmission signal level 2 [ 8.448 Mbps] European PDH transmission signal level 3 [ 34.368 Mbps] European PDH transmission signal level 4 [139.264 Mbps] European PDH transmission signal level 5 [564.992 Mbps] equal access external alarm emergency action interface PPP extensible authentication protocol electrically alterable read only memory electronic bill presentment & payment elementary basic service group European Broadcasting Union electronic book extended architecture electronic commerce echo compensator/canceller Eurocard/Eurocheque card embedded control channel error correcting code error checking and correcting echo cancellation circuit European Conference on Carrier Supply egress connection identifier emitter coupled logic error correction mode (fax) European Communications Manufacturers Association extended capabilities port efficient consumer response explicit cell rate explicit call transfer Enterprise Computer Telephony Forum electronic design automation Effective Date of Contract error detection and correction error detection code earliest deadline first erbium doted fiber amplifier enhanced data GSM environment [enhanced GSM with up to 384 kbps] electronic data interchange electronic data interchange for administration, commerce and transport extended data out - dynamic random access memory event detection point electronic data processing enhanced digital subscriber line European Digital Subscriber Signaling System No. 1 extended definition television electric echo control electrically erasable and programmable read only memory explicite forward congestion indication Electronic Frontier Foundation

enhanced full rate (speech transcoding) error free seconds electronic funds transfer electronic funds transfer from the point of sale extremely high frequency (30 GHz - 300 GHz) European home system European Home System Association enterprise integration electrical engineers association Electronic Industry Association of Japan enhanced integrated drive electronics excess information rate equipment identity/identification register equipment identification register procedure extended industry standard architecture equipment identity register effective isotropically radiated power electronic key telephone system echo loss element layer emulated LAN equal-level far-end cross talk element layer interface error monitoring electro-magnetic compatibility equipment management function electromagnetic interference element management layer extended MML expanded memory specification emergency service equipment for pushbutton subscriber elektromagnetische Verträglichkeit Electronic Mobile Exchange end acknowledge embedded operation channel end of file end of message electronic ordering system end of tape electronic publishing early packet discard explicitly parallel instruction computing electrically programmable logical device erasable and programmable read only memory electric pipe space encapsulated PostScript file explicit rate erbium / Erbium / lat. erbium / 68 protons EDGE radio access network explicit rate indication and congestion avoidance Erlang enterprise relationship management European Radio Message System effective radiated power

enterprise resource planning errored second einsteinium / Einsteinium / lat. einsteinium / 99 protons end system to intermediate system enterprise systems architecture European Space Agency electro-static discharge extended superframe electronic serial number enhanced services platform encapsulating security payload European Strategic Program for Research and development in Information Technology exchange termination (Vermittlungsabschluß) Extended Total Access Communication System end tag extended tail bit electronic toll collection end to end answer equipment ETSI technical report European telecommunication standard European Telecommunications Standards Institute end of transmission European Union / Europäische Union europium / Europium / lat. europium / 63 protons end user computing extended UNIX code enhanced variable rate codec Elektronisches Wählsystem Digital (Digital Electronic Switching System) Elektronisches Wählsystem Paketvermittlung EWSD Express V1 (ATM crossconnect by ICN M) EWSD Express V2 (ATM switch by ICN M) EWSD Express V3 (ATM switch by ICN WN, currently under development) EWSD Express (full marketing name of EWSX) excessive bit error rate exchangeable image file format fluorine / Fluor / lat. fluorum / 9 protons internal FIFO bus of PCI F1 operation and maintenance (regenerator section level) F2 operation and maintenance (digital section level) F3 operation and maintenance (transmission path level) F4 operation and maintenance (virtual path level) F5 operation and maintenance (virtual channel level) foreign agent factory automation final assembly code fast associated control channel forward link access channel frame aligner and clock regenerator (for PCM) framing and line interface component (PCM) frame alignment pattern frequently asked questions frame alignment signal framed ATM over SONET/SDH transport file allocation table

frame alignment unit fast uplink signaling channel frame alignment word frequency [correction] burst fibre channel - arbitrated loop fault, coonfiguration, accounting, performance, security [U.S.] Federal Communications Commission frequency correction channel fast cycle random access memory frame check sequence function description block frequency division duplex floppy disc drive frequency division duplex - direct sequence frequency division duplex - multicarrier fiber distributed data/digital interface Fernmelde-Dienstgebäude final draft international standard facility data link frequency division multiplex frequency division multiple access floppy disc unit Fast Ethernet iron / Eisen / lat. ferrum / 26 protons fast data enciphering algorithm [NTT] far end block error forward error correction forward explicit congestion notification field emission display frame erasure indication fault report catalogue (Fehlermeldungskatalog) front-end processor flash erasable and programmable read only memory frame erasure ratio far end received failure (now: RDI) field effect transistor far end cross talk fast frequency hopping Fast Feature Platform for further study fast Fourier transformation fiber hub frequency hopping college (Fachhochschule) frequency hopping / spread spectrum frequency hopping code division multiple access frequency hopping [and clock distribution] equipment file handling system forward indicator bit filter combiner Future ISDN Forum Japan first in - first out frame information signal financial information system center

fill in signal unit failure in time fiber in the loop Frankenstein Lidzba Access Method ferroelectric liquid crystal FLEX - time diversity (NTT) feeder line interface floating-point operations per second frühester Liefertermin frequency modulation forward monitoring fault management fermium / Fermium / lat. fermium / 100 protons frame mark bit frame mode bearer service fixed/mobile convergence fixed mobile integration flexible manufacturing system feature management tool full motion video flexible multiplexer frame number Fujitsu network architecture [Fujitsu] functional object first office application fax over IP formula translator (programming language) fuse panel field programmable gate array freephone service Firmen-Projektleitung future public land mobile telecommunication system frames per second floating point unit fully qualified domain name frame relay full rate feature request fault report (in FEKAT) francium / Francium / lat. francium / 87 protons frame relay access device frame assembly / disassembly ferroelectric random access memory FPT recommendation of API frame clock frame relay engine feature request sheet fixed station firewall service agent full service access networks Free Software Foundation frequency shift keying flexible service logic finite state machine

forward sequence number foreign terminal access final type approval file transfer and access method file transfer, access and management (ISO) fiber termination module file transfer protocol file transfer program fiber to the building fiber to the curb fiber to the home fiber to the terminal functional unit frame [relay] user network interface Funk-Konzentrator Funkvermittlungsstelle exchange for long distance dialing (Fernvermittlungsstelle) firmware firewall fixed wireless access Fernwirkverteiler FICOM expansion module for 1 carrier genetic algorithms gallium / Gallium / lat. gallium / 31 protons gallium-arsenide integrated circuit geographical area description gateway attribute distribution protocol Global Advanced Intelligent Network [Siemens] general access protocol generic access profile generic attribute registration protocol Gigabit Ethernet Gigabit per second Gigabit per second Gigabit per second general control [service access point] gain coupled distributed feed-back [laser diode] group call control generic cell rate algorithm GPRS coprocessing unit gadolinium / Gadolinium / lat. gadolinium / 64 protons graphics device interface guidelines for the definition of managed objects global descriptor table group encoding germanium / Germanium / lat. germanium / 32 protons Gigabit Ethernet Alliance generic flow control general frequency detector guaranteed frame rate Gaussian frequency shift keying gateway GPRS support node gigahertz (1E9/s) group identifier

general information block graphics interchange format global information infrastructure geographical information system gate keeper graphical kernel system glue logic block global megamedia network (NTT) giant magneto-resistive head gateway MSC Gaussian minimum shift keying Greenwich Mean Time gigabit multiplexer gigabit multiplexer with electrical lines gigabit multiplexer with optical fibre lines ground global network provider gross national product global navigation satellite system GNU is not UNIX (FSF) government OSI profile group processor GSM PLMN area group processor (Gruppenprozessoreinheit) general purpose interface bus GNU public license general packet radio service (GSM enhancement) generalized processor sharing Global Positioning System (USA) general purpose serial interface generic power supply unit group processor Vision O.N.E. rack (Gestellrahmen) GPRS register group switch GSM service area gateway MSC (in satellite networks) Global System for Mobile Communication [890-915 MHz uplink, 935-960 MHz downlink] great software monster GSM extension band G1 [880-890 MHz uplink, 825-960 MHz downlink] GSM Railway GPRS support node global title Gran Turismo generic top level domain GPRS tunneling protocol global title translation graphical user interface global voice infrastructure [IBM] global virtual network service global virtual private network GARP VLAN registration protocol gateway groupware

graphical workstation hydrogen / Wasserstoff / lat. hydrogenium / 1 proton hardware standard (ECTF) multimedia standard (ITU) handheld personal computer resp. handheld/PC hardware high-speed ISDN channel [ 384 kbps] high-speed ISDN channel [1.5 - 2 Mbps] high-speed ISDN channel [1472 kbps] high-speed ISDN channel [1563 kbps] high-speed ISDN channel [1920 kbps] high-speed ISDN channel [ 70 Mbps] high-speed ISDN channel [135-139 Mbps] home agent HLR authentication distributor Promotion Committee of the Harmonization of Advanced Telecommunications Systems home audio/video interoperability Handbedienteil hard copy printer hierarchical and compact description chart hierarchical cell structure high definition multiplexed analogue components high density bipolar of order 3 (line code for E3) high level data link control hardware device module handheld device markup language (HTML for PDAs) high bitrate digital subscriber line handheld device transport protocol high definition television highway demultiplexer helium / Helium / lat. helium / 2 protons header error control high electron mobility transistor highly elliptical orbit Hochfrequenz (radio frequency) high frequency (3 MHz - 30 MHz) hafnium / Hafnium / lat. hafnium / 72 protons hybrid fiber coax mercury / Quecksilber / lat. hydrargyrum / 80 protons Hongkong hard handover high definition video on 8mm tape (analog video tape format, 400 lines of horizontal resolution) high capacity floppy disk (Sony) [200 MB] high performance radio LAN high performance parallel interface [1.6 Gbps] headend interface unit housekeeping high layer compatibility home location register home location register identity highway multiplexer Hitachi network architecture [Hitachi] high performance network node [Siemens] handover

holmium / Holmium / lat. holmium / 67 protons handover control head of line blocking home phoneline networking alliance home radio frequency [2.4 GHz] handover number higher order path adaptation handheld personal computer resp. handheld/PC high performance computing act high performance computing and communications hard polymer clad fiber home PLMN higher order path termination half rate Home Radio Frequency Working Group hardware reference platform hassium / Hassium / 108 protons high speed ATM high-speed circuit switched data HLR subscriber management handover sequence number high speed serial interface high-speed token ring hypertext markup language hypertext transfer protocol header translation unit home unit hardware hardware tracer iodine / Jod / lat. jodum / 53 protons interim European telecommunications standard interception network management center input/output incoming access intelligent agent Intel architecture 64 (Intel) initial address acknowledgement (B-ISUP) Internet Architecture Board Internet Advertising Bureau inter application communication international automatic call back International Ad Hoc Committee Industry Alliance for Interoperability initial address message (B-ISUP) Internet Assigned Numbers Authority inter administration revenue accounting inter administration accounting with AMA/MCR inter administration accounting with statistics International Business Machines Corp. intelligent base station intrinsic burst tolerance identification card integrated circuit independent computing architecture

Internet Corporation for Assigned Names and Numbers incoming calls barred within the CUG internal continuity check ISDN communication controller intelligent chip card reader integrated communications cabling system international code designator in-circuit emulator Intercity Express [DB] information conversion function internal communication highway inter carrier interface ingress connection identifier IN call modification Internet control message protocol information & communication networks [Siemens] Intercity Night [DB] intermediate circular orbit Intel computing performance index [Intel] Institute for New Generation Computer Technology inter cache protocol initial cell rate INternet Computer Security Association identification [number]/ identifier integrated database application program interface integrated drive electronics intelligent drive electronics international data encryption algorithm ICAM definition language intermediate distribution frame (Zwischenverteiler) inventory data file initial domain identifier integrated digital loop carrier integrated digital network [integration of transmission and switching] abbreviation of "Nihon Idou Tsuushin" (= Japan Mobile Communication) interactive debugging system ISDN-like digital subscriber line interrupt descriptor table inventory data table indoor microwave unit information element information element algorithm table International Electrotechnical Commission Institute of Electrical and Electronic Engineering (Firewire, 100/200/400 ... Mbps) information element identifier Internet Engineering Task Force Internet Engineering Steering Group intermediate frequency interrupt flag industry foundation classes International Federation for Information Processing International Frequency Registration Board initial graphics exchange specification

internet group management protocol interior gateway routing protocol internet GPRS support node Internet Initiative Japan Internet inter-ORB protocol interactive information response interim inter-switch signaling protocol internet key exchange Impulskennzeichen Plan 50 der DTAG Industrial Light & Magic interim/integrated local management interface Integrated Line Test Functionality inverse multiplexing for ATM internet message access protocol internet message access protocol version 4 improved multi band excitation input method editor international mobile equipment identity in my humble opinion intelligent manufacturing system international mobile subscriber identity international mobile telecommunications international mobile telecommunication 2000 international mobile telecommunication 2000 (former: FPLMTS) International Multimedia Teleconferencing Consortium Improved Mobile Telephone Service (USA) intelligent multiplexer intelligent network indium / Indium / lat. indium / 49 protons intelligent network application part intelligent network application protocol individual digital announcement system [Siemens] inter network interface International Maritime Satellite Organization intelligent network service information network system [net] information network system - packet switching service Interoperability Technology Association for Information Processing [Japan] International Telecommunications Satellite [Organization] input / output control independent operating companies input / output processor for call processor periphery IP over glass intra office interface I/O module I/O module type A input/output processor IOP for authentication IOP for V.24 interface IOP for X.21 interface intelligent peripheral Internet protocol intermodulation products [Motorola] Information Technology Promotion Agency [Japan]

ISDN primary access transceiver IP based private branch exchange intelligent peripheral controller inter-process communication IP payload compression protocol internet protocol control protocol integrated planning group integrated packet handler initial program loader IP multi-cast [service] internet protocol next generation integrated product planning intellectual property rights inter processor signaling Internet protocol security architecture internal packing system unit Internet protocol version 4 Internet protocol version 6 inter-network packet exchange inter-network packet exchange / sequenced packet exchange infrared (infrarot) iridium / Iridium / lat. iridium / 77 protons internet relay chat Infrared Data Association mobile telephone system based on (planned) 77 satellites, went backrupt in 2000 when 66 satellites were operational in real life interrupt request register Internet Research Task Force infrared transfer protocol [EIA network protocol standard] industry standard architecture internet security association & key management protocol index-sequential access method Internet server application programming interface international subscriber code international switching center Internet Software Consortium internet subscriber controlled input integrated services digital broadcasting integrated services digital network ISDN user part integrated service logic Internet subscriber module industrial scientific and medical band International Standards Organization Internet Society Internet service provider interrupt service routine internet supplementary services inter switching system interface integrated signaling and traffic simulator integrated services television ISDN user part information technology

interim type approval information technology association of America information transfer capability internal transport protocol intelligent transport system ISDN traffic simulator information technology security evaluation criteria International Telecommunications Union International Telecommunications Union, Telecommunication Standardization Sector International Telecommunications Union, Telecommunication Standardization Sector (interconnection point between RNC and core network node) (interconnection point between RNC and Node B) (interconnection point between two RNC) inspected, updated, and stored internal variable internal variable algorithm table interactive voice response interworking MSC interworking equipment (ASIC for conversion of 8 PCM to ATM, both way) interworking function interworking function connection element interworking unit internet exchange point inter exchange carrier Japanese digital signal level 1 [ 1.544 Mbps] Japanese digital signal level 2 [ 6.312 Mbps] Japanese digital signal level 3 [32.064 Mbps] Japanese digital signal level 4 [97.728 Mbps] Japanese digital signal level 5 [397.200 Mbps] [name of a programming language, slang word for coffee] Java telephony ,jammed bit zero [code] substitution Japan chainstore association job control language Japanese Digital Cellular (now: PDC) Java development kit Japan data storage forum Japan Information Highway JAVA intelligent network infrastructure Japanese automotive network exchange Joint Photographic/Picture Experts Group Japan Internet Exchange Japan shared mobile radio ,joint test action group job transfer and manipulation potassium / Kalium / lat. kalium / 19 protons kilobit (1000 bit) kilobyte (1000 byte) kilobyte (1024 byte) kilobit per second kilobit per second kilobit per second key distribution center

kilohertz (1000/s) Koppelnetz (switching network) krypton / Krypton / lat. krypton / 36 protons kilo-symbols per second KDD terabit highway 21 [KDD/Japan] kernel transport network Knotenvermittlungsstelle (node exchange) Kabelverzweiger [Siemens] kilowatt (1000 watts) line alarm indication signal line far end block error line far end receive failure layer 1, physical layer layer 2, data link layer layer 2 forwarding layer 2 management layer 2 relay function L2R bit oriented protocol L2R character oriented protocol layer 2 tunneling protocol layer 3, network layer layer 3 controller lanthanum / Lanthan / lat. lanthanium / 57 protons link access control location area code L2TP access concentrator location area code location area identity local automatic message accounting local area network LAN emulation link access protocol on B channel (X.25 protocol) link access protocol on D channel link access point discriminator LAPD mobile (for the radio link of GSM) link access protocol version 5 OSI layer 1 (physical layer) OSI layer 2 (data link layer) OSI layer 3 (network layer) OSI layer 4 (transport layer) OSI layer 5 (session layer) OSI layer 6 (presentation layer) OSI layer 7 (application layer) leaky bucket line build out line control liquid crystal display loss of cell delineation (ATM) local communication network link control processor least cost routing local craft terminal last compliance time least configurable unit

line code violation lowspeed data laser disk [video disk with typically 30cm diameter] low delay code excited linear prediction lightweight directory access protocol local data communication processor local exchange LAN emulation address resolution protocol [U.S.] Law Enforcement Agency large effective area fiber LAN emulation address resolution protocol LAN emulation client local exchange carrier LAN emulation client identifier LAN emulation configuration server light emitting diode Lean Engineering Offering low earth orbit|orbiter LAN emulation server LAN emulation user local exchange loop filter line feed (Zeilenvorschub) low frequency (30 kHz - 300 kHz) line interface line identity length indicator lawful interception lithium / Lithium / lat. lithium / 3 protons line interface for basic access line interface circuit|card link interface concentrator line interface card for Mobile last in first out local interface gateway leaf initiated join line interface unit leased line Autokennzeichen Landsberg am Lech logical layered architecture logical link control low layer compatibility logical link control / subnetwork attachment point logical link identifier layer management feature (Leistungsmerkmal) local multipoint communication system local multipoint distribution service local management interface Leistungsmerkmalkatalog location mark number local mobile subscriber/station identity local maintenance terminal local monitoring unit

low noise amplifier last number dialed local number portability L2TP network server loss of continuity loss of frame (SDH/Sonet) loss of output signal loss of pointer (SDH/Sonet) loss of signal linear predictive coding link protocol discriminator local PLMN LIC protection switch location register lawrencium / Lawrencium / lat. lawrencium / 103 protons longitudinal redundancy check least replacable unit line subscriber station least significant bit loop signaling card local switching system general requirements link status signal unit line status table listener side-tone rating local area network service unit line termination line/trunk controller line transmission element line/trunk group line/trunk group B line/trunk group M [Siemens] line transmission module long term prediction line termination part line/trunk unit line unit local unit location update lutetium / Lutetium / lat. lutetium / 71 protons logical user port low voltage differential signaling low voltage technology Lichtwellenleiter (optical fiber) line workstation [Siemens] local exchange line X-connect module Autokennzeichen von München mobile service switching point maintenance and trouble shooting management of ATM end devices management of private ATM networks or switches management links between public and private networks management of public ATM networks management links between two public networks

mobile allocation medium adaptor medium access control message authentication code multiple association control function mobile allocation channel number metropolitan area exchange mobile additional function management application function mobile access hunting (service) mobile allocation index metropolitan area network mobile application part management application protocol data unit multiple access protocol over SONET/SDH [NTT] mobile application register minimum assured rate medium attachment unit megabit (1E6 bit) message buffer megabyte (1024 kilobyte) megabit per second message buffer B [Siemens] megabit per second m-ary bi-orthogonal keying megabit per second message buffer control maximum burst size message buffer unit music cassette multi channel access master control block mobile country code message coder / decoder memory capacity exceeded flag message communication function message channel München malicious call identification multicast connection identifier maintenance craft interface management communication network multimedia cable network system Mega-chips per second minimum cell rate mobile call record mass calling service monitoring cell sequence number mobile control unit main control unit mediation device mini-disc (digital audio MO disk) mendelivium / Mendelivium / lat. mendelivium / 101 protons macro diversity combining

magnetic disc drive|device main distribution frame (Hauptverteiler) mobile data initiative mobile data service mean down time message description table multiple dwelling unit mobile equipment maintenance entity multi-exit discriminator memory medium earth orbit mobile application execution environment mediation function multi-frequency medium frequency (300 kHz - 3 MHz) multi-frame alignment multi-frequency code multi-frequency code signaling (R2) maximum frame length metropolitan fiber system multipath fading simulator multi frequency network magnesium / Magnesium / lat. magnesium / 12 protons media gateway control protocol mobile global title Multimedia and Hypermedia coding Experts Group multimedia handling node multimedia home platform message handling system mobile handling system message handling unit mast head unit megahertz (1E6/s) message identifier mobile Internet access management information base Men in black (Film) mobile interface controller mobile internal call (intra MSC) Management Integration Consortium microphone message identifier multiplexing identifier media independent interface multi-purpose Internet mail extensions mini digital video tape (digital video tape format, 500 lines of horizontal resolution) multimedia in integrated networks and terminals million instructions per second management information service entity/element management information tree Massachusetts Institute of Technology multi-longitudinal mode meridian lossless packing

microwave landing system mobility management multimedia mobile access communication [system] machine-understandable meta-data broadcasting mobile to mobile call (inter MSC) mobile management entity multi-mode [optical] fiber man machine interface man machine language mobile multimedia Mannesmann Mobilfunk memory management unit multimedia extension [Intel] früherer ÖN-Geschäftsbereich "Mobile Netze" Autokennzeichen Unterallgäu manganese / Mangan / lat. manganum / 25 protons management network access point mobile network code mobile network colour code mobile network call control - services access point mobile network management application service element mobile network operator mobile station not reachable flag modulated noise reference unit mobile network signaling mobile network short message service - services access point mobile network supplementary services - services access point managed object magneto-optical molybdenum / Molybdän / lat. molybdaenum / 42 protons mobile originated point to point message mobile originated call managed object class magneto-optical drive modulator / demodulator managed optical distribution frame multicast extensions to OSPF memorandum of understanding multilink [point to point] protocol main processor (EWSX) microprocessor module processor complex main processor control card management protocol data unit Motion Pictures Expert Group MPEG-1 (MPEG standard version 1) MPEG-2 (MPEG standard version 2 / multichannel audio system) [Philips] multipoint link aggregation multi-protocol label switching multiple pulse metering multi-protocol over ATM multiple party service main processing unit MPEG-1 audio layer3

mobile radio conference mobile roaming number multi router traffic grapher millisecond mobile station multiplex section memory stick [Sony] (flash RAM module standard) multiplex section adaptation mobile [digital] satellite broadcasting most significant bit mobile [services] switching center mobile station classmark mobile service control point mobile station control unit multiservice switching forum message multiple serial interface mobile subscriber identification number mobile subscriber ISDN number main storage module multiple subscriber number multiple systems operator multiplex section overhead maintenance service provider multiplex section protection mobile station roaming number MAN switching system mobile satellite service mobile service switching point multiplex section termination message signaling unit mobile terminated/termination message type meitnerium / Meitnerium / 109 protons mobile terminated point to point message mobile termination type 0 major trading areas Metallic Test Access medizinisch-technische Assistentin mean time between failures mobile terminated call mobile termination controller magnetic tape drive mobile terminating equipment message table handler maximum time interval error mobile to mobile call message transfer part message transfer protocol message transfer protocol - OSI layer 1 message transfer protocol - OSI layer 2 message transfer protocol - OSI layer 3 message transfer service MPEG2 transport system

mobile test station memory time switch CMOS chip mean time to failure mean time to repair multi twin axial cable link 3 message unit memory unit multiplexer / demultiplexer multi user mobile station mobile user part multiplexer multi-vendor integration protocol milliwatt megawatt (1E6 watt) Mobile Wireless Internet Forum mail exchanger nitrogen / Stickstoff / lat. nitrogenium / 7 protons narrowband AMPS (with 10 kHz channel spacing) narrowband integrated services digital network narrowband ISDN user part narrowband network node interface network operation system function narrowband PCS narrowband passive double star narrowband subscriber line terminal not applicable|available sodium / Natrium / lat. natrium / 11 protons network-wide automatic call distribution North American Digital Cellular network access mode narrowband advanced mobile phone system North American Network Operators Group network access provider network access point network address port translation [U.S.] National Aeronautics and Space Administration network address translation north american telephone system Newbridge narrowband normal burst niobium / Niob / lat. niobium / 41 protons node B application part networking broadband services NetBIOS over TCP/IP not connected network connection network code network computer network color code network centric computing new common carriers network call correlation identifier notification channel

network control key [U.S.] National Center for Supercomputing Applications neodymium / Neodym / lat. neodymium / 60 protons national destination code network driver interface specification Novell directory services network determined user busy network element (Netzwerkelement) network entity neon / Neon / lat. neon / 10 protons network element function network element management layer nominal error rate norme européenne de telecommunications NetBIOS extended user interface near end cross talk network function Niederfrequenz non frame alignment signal network file system network file services [U.S.] National Science Foundation next generation internet non-geostationary orbit non-geostationary orbit fixed-satellite service next hop resolution/routing protocol national indicator network indicator NodeIntegrator [Siemens] nickel / Nickel / lat. niccolum / 28 protons Network Information Center network interface card network independent clocking nickel cadmium [U.S.] National Institute of Health nickel metal hydrid not installed [U.S.] National Institute of Standards and Technology narrowband information transfer bearer capability network identity and time zone next-level aggregation [U.S.] National Library of Medicine natural/native language support network management network management center national maintenance center Network Management Forum non-maskable interrupt network management layer network management procedures nuclear magnetic resonance regional network management network management system national mobile subscriber identification/identity

nuclear magnetic resonance Nordic Mobile Telephone network node non nominatum (unbenannt) network node interface network news transfer protocol nobelium / Nobelium / lat. nobelium / 102 protons network operation center not operational no operation network performance neptunium / Neptunium / lat. neptunium / 93 protons network parameter control network protocol control information numbering plan identifier non real time Narita (Tokyo International Airport) non real time - variable bit rate non return to zero network supervision [U.S.] National Security Agency network service access point network service access point identifier network service data unit network service provider network service part network service provider Internet exchange point network and switching subsystem network termination new technology non transparent New Technology notification [service access point] network termination 1 (between reference points T and U) network termination 2 (between reference points S and T) network termination for basic access network traffic management network time protocol network termination for PCM 30 navigation transmitting system Nippon Telegraph & Telephone Company (Nippon Denshin Denwa Kabushikigaisha) network user access nailed-up connection network user identification network user part network nanowatt (1E-9 watt) oxygen / Sauerstoff / lat. oxygenium / 8 protons operation and maintenance Optimized Network Evolution [Siemens] Optimized Network Evolution Universal Platform [Siemens] outgoing access Autokennzeichen Oberallgäu operation, administration, and maintenance

optical add drop multiplex operator alarms OEM adaptation layer Autokennzeichen Ostallgäu operation, administration, and maintenance optical bus interface extension open business network O&M system for Base Station Release x optical carrier 12 [622 Mbps] optical carrier 3 [155 Mbps] optical carrier with STS-3c frame structure optical carrier 48 [2.4 Gbps] operationally controlled announcement equipment outgoing calls barred [within the CUG] ODMA common control channel out of cell delineation operator controlled input open computer network [NTT] office channel unit office data area generator operator determined barring ODMA dedicated control channel ODMA dedicated channel open datalink interface object definition language opportunity driven multiple access optical distant terminal ODMA dedicated traffic channel original equipment manufacturer optical fiber cable type C optical fiber cable type D Optical Fiber Distributed Concentrator orthogonal frequency division multiplexing Offer Processing Tool optical fiber splitter box overhead optical interface for 21* 2 Mbps object linking and embedding overall loudness rating optical line termination optical line termination broadband optical line terminal mux1 operation and maintenance operation, maintenance and administration part operation and maintenance center operation and maintenance center for BSS operation and maintenance center for SSS operation and maintenance center radio part operation and maintenance center switch part optical multifiber fanout cable Object Management Group operation and maintenance interface operation and maintenance link operation and maintenance processor (OMC-S)

operation and maintenance processor for BSS operation and maintenance processor for SSS operation and maintenance subsystem operation and maintenance terminal override network delay optical network unit optical network unit broadband out of frame on/off keying out of service origination point code OLE for process control open platform for secure enterprise connectivity optimal routing ODMA random access channel object request broker operations system operating system osmium / Osmium / lat. osmium / 76 protons open service architecture open software description Open Software Foundation operations system function offset field open systems interconnection OSI reference model OS specific module open settlement protocol open shortest path first O&M for Switching Subsystem Release x optical disk [Sun] operator service system operations support system operator specific service operation subsystem (GSM) optical service unit optical time domain reflectometry Open User Recommended Solutions [Japanese] original video animation overvoltage protection Ortsvermittlungsstelle phosphorus / Phosphor / lat. phosphorus / 15 protons path alarm indication signal processor bus path far end block error path far end receiving failure primary GSM point to multipoint private-public network node interface path remote defect indication palmsize personal computer resp. palm/PC (Taschencomputer) primary rate access power amplifier protactinium / Protactinium / lat. protactinium / 91 protons

private automatic branch exchange packet associated control channel personal access communications system personal air communications technology packet assembler/disassembler padding [field] packet access grant channel phase alternated line primary access method pulse amplitude modulation public access mobile radio password authentication protocol PNNI augmented routing publicly available specification port and address translation lead / Blei / lat. plumbum / 82 protons peripheral board controller packet broadcast control channel policy based networking peak bit rate physical backing storage private branch exchange personal computer priority control personalization center power control personal computer PCMCIA card (new name) printed circuit board paging control channel paging channel protocol control information peripheral channel interface peripheral components interconnection [Intel] pulse code modulation Personal Computer Memory Card International Association people cannot memorize computer industry's acronyms PCM interface personal communication network point of control and observation processor control panel peripheral control platform peripheral control platform operating system peak cell rate preventative cyclic retransmission Personal Communication System [1850-1910 MHz uplink, 1930-1990 MHz downlink] personal communication services personalization center for SIM processor control switch Pacific Communications Sciences Inc. packet control unit protocol discriminator palladium / Palladium / lat. palladium / 46 protons personal digital assistant

primary digital carrier primary domain controller Personal Digital Cellular (Japanese system) Pacific Digital Cellular Personal Digital Cellular - packet plan - do - check - act packet data channel portable document format plesiochronous digital hierarchy Pulsdauermodulation (PLM) packet data network public data network packet data protocol programmed data processor type 11 [DEC] passive double star packet duplex synchronous PIN diode switch protocol data unit positive ECL Pan European Digital Cellular peak emission interval privacy enhanced mail peak envelope power pulse frequency modulation (Pulsfrequenzmodulation) peripheral group pretty good privacy page group section packet handler packet handler interface Personal Handyphone System (Japanese system) physical layer [protocol] physical channel protocol identifier presentation indicator PHS Internet Access Forum PHS Internet Access Forum standard protocol implementation conformance statement packet identification product identification data personal identification number positive intrinsic negative diode private integrated services network Plug-in Position Produktkommission public key infrastructure Produktkommissionssitzung parity logic physical layer procedural language / structured query language party line card plastic leaded chip carrier physical layer convergence protocol permanent logical link [layer] phase locked loop

pulse length modulation (Pulsdauermodulation) product line manager public land mobile network planning system physical medium performance management phase modulation pulse modulation product manager promethium / Promethium / lat. promethium / 61 protons performance management / continuity check peripheral module channel physical medium dependent periodic multiple pulse metering point to multipoint protected monitor point private mobile radio position multiplex personal number port number packet notification channel présentation des normes européennes PNP group identification portable network graphic private network-network interface public network operator private numbering plan polonium / Polonium / lat. polonium / 84 protons Policy oversight Committee policing control element Post Office Code Standardization Advisory Group plastic optical fiber path overhead point of interface/interconnection status request (poll status) passive optical network point of presence post office protocol post office protocol version 3 Portugal point of sale packet over SONET plain old telephone plain old telephone service/system peak to peak point to point prepaid card service palmsize personal computer resp. palm/PC (Taschencomputer) packet paging channel partial packet discard parts per million plastic pin array pulse phase modulation pulse position modulation

periodic pulse metering [Internet] point-to-point protocol packets per second pulses per second prepaid service prepaid service center packet payload type point to point tunneling protocol plastic quad flat pack path replacement praseodymium / Praseodym / lat. praseodymium / 59 protons packet random access channel pseudo random bit/binary sequence primary rate interface progressive and revolutionary integration on service media protocol reference model programmable read-only memory service provider number premium rate service protection switching peripheral switch portable station power supply port specific proxy signaling agent presentation services access point peripheral switch clock packet structure description language packet switched data network processor switch interface phase shift keying packet server module peripheral switch multiplexer pit signal processing packet switched public data network peripheral switch timestage public switched telephone network power supply unit payload type platinum / Platin / lat. platinum / 78 protons peripheral terminal adapter (with 4 V.24 interfaces) Parent-Teacher Association packet transfer controller packet traffic channel peripheral terminating group payload type identifier point to multipoint public telecommunication operators point to point post, telegraph, and telephone processing unit pull up plutonium / Plutonium / lat. plutonium / 94 protons permanent virtual connection

permanent virtual circuit polyvinyl chloride (Polyvinylchlorid) permanent virtual channel connection permanent virtual path connection printed wire board pulse width modulation standard for layer management [ITU-T] part of DSS2 standard to support point-to-point connections [ITU-T] standard for the management of SS7 signaling networks [ITU-T] protocol stack standard for OSI layers 1-3 [ITU-T] protocol stack standard for OSI layers 4-7 [ITU-T] standard for traffic management [ITU-T] standard for customer administration [ITU-T] management interface standard [ETSI, ITU-T] Q3 presentation server Q-adaptor Q-adaptor function Quadratur-Amplituden-Modulation queueing delay [German version of Q3] quantizing distortion unit quad modular redundancy quality of service quality of service signaling quadrature phase shift keying (interface between element manager and NE) signaling at Q reference point lean Q interface router rate adaptation routing area rural area radium / Radium / lat. radium / 88 protons random access burst research and development in advanced communications technologies in Europe random access [control] channel remote authentication dial-in user service rate adaptive asymmetric digitial subscriber line recorded announcement equipment remote alarm indication random access memory radio access network radio access network application part random number remote access server reserved for administrative use rubidium / Rubidium / lat. rubidium / 37 protons residential broadband radio base station controller residual bit error rate/ratio regional bell operating company radio base station rack cabling access panel radio common carriers

receive channel control block radio channel identifier radio clock interface radio control/carrier station reverse charging service radio central unit radio data link access protocol relational data base management system resource description framework remote defect indication radio data system radio digital terminal radio distribution unit rhenium / Rhenium / lat. rhenium / 75 protons random early detection release message (B-ISUP) residual excited linear predictive [Motorola] resume message (B-ISUP) remote entry terminal reverse charging radio frequency (Hochfrequenz) rutherfordium / Rutherfordium / 104 protons Ready for Acceptance request for comments radio frequency channel radio frequency channel radio frequency channel number remote forwarder function group radio frequency interference remote failure indicator RF loop back reserved for future use regenerator [section] (F1) rhodium / Rhodium / lat. rhodium / 45 protons resource handling subsystem radio identity code resistor - inductor - capacitor [circuit] radio interface connection element receiving Internet end system routing information protocol raster image processor réseau(x) IP européen(s) / network coordination centre reduced instruction set computer radio-in-the-loop radio interface transmission management receiving interworking unit Rahmenkennungswort release complete message (B-ISUP) radio link control run-length code radio link control protocol radio link interface radio link protocol receiver loudness rating

remote line switch resource management resource monitoring radio management regional maintenance center remote method invocation remote network monitoring radon / Radon / lat. radon / 86 protons radio network controller receiver not operational radio network repeater radio network system radio network subsystem radio network subsystem application part radio network termination radio network temporary identity residential office / branch office remote operation interface return on investment read-only memory remote operation service remote operations service element rack over-temperature release planning redundant path combining radio port controller unit regular pulse excited long term prediction resource-platform interface recognised private operating agency receive ready radio resource radio regulations radio resource control radio resource management radio resource state machine radio signaling resynchronization [command] regenerator section resynchronization acknowledge reduced speed ATM routing services control point[Newbridge] radio system entity realm specific Internet protocol radio signaling link regenerator section overhead radio subsystem received signal strength indication regenerator section termination Remote Switching Unit resource reservation protocol répondez s'il vous plaît (bitte antworten) regional subscription zone identity radio terminal remote terminal

real time real time variable bit rate radio terminal controller realtime transport control protocol read the fucking manual real time operating system rack temperature out of tolerance real-time transport protocol residual time stamp reliable transfer service element real-time streaming protocol ruthenium / Ruthenium / lat. ruthenium / 44 protons remote work station receive/receiver receiver antenna module and multicoupler receiver board receiver filter receiver multicoupler receiver distributor post amplifier receiver unit return to zero Rechenzentrum (computer center) sulfur / Schwefel / lat. sulfur / 16 protons media & switching services interface transport protocol interface service provider interface secure multipurpose Internet mail extensions signal to noise [ratio] serial/parallel converter signaling ATM adaptation layer service operation system function security association stand alone service aspects and applications set asynchronous balanced mode signaling ATM adaptation layer service access code slow associated control channel SRTS ACM clock element single association control function source address field stored announcement group Siemens AG service alarm indication subsequent address message (B-ISUP) stand alone main processor service advertising protocol service access point service access point identifier/indicator segmentation and reassembly segmentation and reassembly - service data unit secure application service stand alone test, surface acoustic wave (akustische Oberflächenwelle)

synchronisation burst scheduler block antimony / Antimon / lat. stibium / 51 protons S0 bus controller spare board relay statistical bit rate sustained bit rate Siemens Base Station [system] Siemens Business Services service center service code scandium / Scandium / lat. scandium / 21 protons shelter cable access panel synchronization control channel signaling connection control part service creation environment speech coding experts group service creation environment point synchronization and coordination function service control function SMU clock generation [unit] synchronization channel send charging information subscriber controlled input scalable coherent interface Siemens configuration language SCCP connection-less control software configuration management supply chain management service class mark status control manager short circuit module signal connection module sub-channel number Siemens Corporate Network satellite communication operator synchronous connection-oriented SCCP connection oriented control service control point standard concept routing sustainable cell rate SCCP routing control signal computing system architecture small computer standard interface server cache synchronization protocol single call transfer simple computer telephony protocol service center time stamp speech composition unit service definition sequenced data signal degrade speech or data channel secondary digital carrier

stand-alone dedicated control channel subscriber dependent digit processing and feature control service data function synchronous digital hierarchy synchronous digital hierarchy object model SDH transceiver software development kit structured design language simplified data link specification and description language space division multiplex synchronous digital [line] module space|spatial division multiple access secure digital music initiative synchronous discrete multi-tone sequenced data with poll special drawing rights synchronous dynamic RAM symmetric digital subscriber line structured data transfer service data unit service element switching element selenium / Selen / lat. selenium / 34 protons support entity function severely errored frame severely errored framing seconds security experts group signaling end point scaleable encryption processing severely errored second secure European systems for applications in a multivendor environment secure electronic transaction start frame delimiter slow frequency hopping single frequency network seaborgium / Seaborgium / 106 protons switch group control standard generalized markup language serving GPRS support node super high frequency (3 GHz - 30 GHz) secure hypertext transfer protocol service indicator status indication system integration Système International silicon / Silicium / lat. silicium / 14 protons status indication busy service independent building block [Siemens] security ID (=identification) subscriber identification status indication emergency alignment signaling virtual channel signaling virtual channel connection

signaling link terminal subscriber identity module (subscriber identification module) signaling management processor Siemens Multiplexer status indication normal alignment service information octet status indication out of alignment status indication out of service SMDS interface protocol status indication processor outage sustained information rate signal-to-interference ratio shelter in service supervisory and information system for local and remote areas [Siemens] Siemens Variable Packaging System service key simple key management for internet protocols synchronous line equipment service level agreement signaling link control subscriber line circuit analog subscriber line circuit digital subscriber line interface subscriber line measurement equipment serial line Internet protocol signal label mismatch subscriber line module subscriber line module, analog subscriber line module, broadband subscriber line module, digital service location protocol service logic program send loudness rating signaling link test signaling link termination subscriber line termination signaling link test message security management synchronous multiplexer statistical multiplexing smart media (flash RAM module standard) samarium / Samarium / lat. samarium / 62 protons short message application layer short message relay layer synchronous multiplexer for STH1 [Siemens] system management application entity system management application process/part specific management application service element server message block system management bus submultiplex channel surface mounted device storage module drive synchronous multiplexer for STH2 [Siemens]

switched multi-megabit data service short message entity single mode fiber special mobile group synchronized multimedia integration language service management layer service management network service management point short message peer to peer short message service service management system systems management server [Microsoft] short message service mobile terminated short message service, point to point short message service center short message service center short message service cell broadcast statistical multiplex subunit short message terminal station management surface mount technology simple mail transfer protocol statistical multiplexing unit statistical multiplexing control [unit] statistical multiplexing data [unit] subscriber number signaling number service number sequence number service node switching network früherer ÖN-Geschäftsbereich "Schmalbandnetze" tin / Zinn / lat. stannum / 50 protons systems network architecture subnetwork access point / protocol Siemens Node Application Programming Interface Societé Nationale des Chemins de Fer Fran&cs;ais sub-network dependent convergence function subnetwork dependent convergence protocol satellite news gathering Siemens-Nixdorf Informationssysteme service node interface subscriber network interface simple network management protocol sequence number protection serial number signal to noise ratio start of authority suppress outgoing access statement of compliance section overhead small office / home office solar heliocentric observatory synchronous optical network

support of optimal routing service provider signaling point speech path spare position signaling point code stored program control service provider control key Sozialdemokratische Partei Deutschland synchronous payload envelope (STS container) shortest path first security parameter index subsequent protocol identifier synchronous physical interface single pulse metering speech multiplexer support of private numbering plan supplementary power supply unit signal processing unit service provision units soft permanent virtual connection soft permanent virtual channel connection sequenced packed exchange structured query language Siemens Quailty Standard synchronous repeater strontium / Strontium / lat. strontium / 38 protons signed response service resource function speech recording interface serving radio network controller serving radio network subsystem spatial reuse protocol shared registry system synchronous residual time stamp speech recording unit supplementary services subsystem single star signaling system number 7 signaling system number 7 session service access point single side band [modulation] service specific coordination function service specific coordination protocol service specific convergence sublayer service support data system status display service switching function space stage group service selection gateway server side includes secure sockets layer synchronization status messages

space stage module subsystem number signaling system network control simultaneously switching output special services provider service switching point switching subsystem synchronization supply unit signaling terminal segment type solicited status response set-top-box signaling terminal control signaling transport converter signaling terminal equipment start field scanning tunneling microscope synchronous transfer mode synchronous transfer mode level 1 [155.520 Mbps] synchronous transfer mode level 1 [2,488.320 Mbps] synchronous transfer mode level 4 [622.080 Mbps] synchronous transport module level N concatenated subscriber test multiple access Störmeldeeinrichtung Kabeltyp A side tone masking rating shelter temperature out of tolerance signaling transfer point shielded twisted pair service tool set synchronous transport signal level 3 concatenated (155.52 Mbit/s) synchronous transport system level N Syndicat des Travailleurs et Travailleuses des Postes (postal workers union) signal unit subscriber unit single user account served user generated reference Stanford University Network suspend message (B-ISUP) switched virtual connection switched virtual circuit switched virtual channel signaling virtual channel super video home system (analog video tape format, 400 lines of horizontal resolution) software version number switched virtual path software shared wireless access protocol shared wireless access protocol - cordless access software management strengths, weaknesses, opportunities & threats standing wave ratio synchronous cross connect Siemens Cross Connect (former Netzknoten 2000) synthesizer board

system description system panel system panel display transparent / not transparent transmission at DS1 [ 1.544 Mbps] transmission at DS2 [ 6.312 Mbps] transmission at DS3 [ 44.736 Mbps] transmission at DS4 [274.176 Mbps] transmission at DS1 [ 1.544 Mbps] transmission at DS2 [ 6.312 Mbps] transmission at DS3 [ 44.736 Mbps] transmission at DS4 [274.176 Mbps] terminal adapter (between reference points S and R) technical advisory tantalum / Tantal / lat. tantalum / 73 protons type approval code technical assistance center transaction code Total Access Communications System test adapter for serial interface terminal adapter function time alignment flag traditional access provider telephony application programming interface trace buffer terbium / Terbium / lat. terbium / 65 protons to be determined/defined to be repaired transaction capabilities transmission convergence traffic control tecnical committee technetium / Technetium / lat. technetium / 43 protons transaction capabilities application part transcoder board transaction control block target control block traffic control & congestion control transmit channel control block transcoding equipment traffic channel total control hub tag control information transceiver control interface time compression multiplexing total cost of ownership transmission|transport control protocol transmission control protocol / Internet protocol trusted computer security evaluation criteria terminal connection unit transcoding unit (transcoding and data rate adaptation board) time division - code division multiple access time division - synchronous code division multiple access time division duplex

time division multiplexing time division multiplex / synchronous transfer mode time division multiple access time division multiple access / time division duplex tag distribution protocol trigger detection point time domain reflectometry terminal equipment transit exchange tellurium / Tellur / lat. tellurium / 52 protons traffic engineering - resource reservation protocol terminal equipment type 1 (at reference point S) terminal equipment type 2 (at reference point R) technical description terminal endpoint identifier test mobile system Trans European Trunked Radio telecommunication function transmission failure transfer allowed transport function|format combination indicator transport format indicator temporary frame identifier transfer prohibited terrestrial flight telephone system thorium / Thorium / lat. thorium / 90 protons Tomlinson Holman eXperiment (video/audio quality standard) transaction identifier Texas Instruments titanium / Titan / lat. titanium / 22 protons Telecommunications Industries Association transaction identifier tunneling identifier time intervall error transmitting Internet end system tag image file format trace identifier mismatch telecommunications information networking architecture TINA consortium tele-info service transmitting interworking unit thallium / Thallium / lat. thallium / 81 protons top-level aggregation top level domain temporary logical link identifier trunk line maintenance transport layer security type, length and value traffic management timing marker thulium / Thulium / lat. thulium / 69 protons trunk module broadband [Siemens] time management clock timeslot management channel

transition minimized differential signaling timing marker event telecommunication management network traffic management procedures triple module redundancy tower mounted receiver preamplifier telecommunication management system test mobile station time management services temporary mobile subscriber identity termination node transit network selection time of day tone generator transport overhead type of number transmission path (F3) terminal portability transmit power control transfer protocol data unit tag protocol identifier three party service transceiver and processor unit Turbo-Pascal unit transfer relay technical report technical requirement transcoding and rate adaptation card traffic management operations system (performance management) [Siemens] transcoding and rate adaptation unit transcoder transceiver = transmitter/receiver Teleservice traffic shaping time slot time stamp Telecommunication Standardization Advisory Group [ITU-T] transport service access point telephony services API transceiver speech & data interface time stage group time stage incoming time stage module time stage outgoing time sharing option [IBM] telephony service provider interface terminate and stay resident telecommunication switching system time sharing system Telecommunication Technology Committee tree and tabular combined notation trunk test equipment time to live (counter in IP packet) transistor-transistor logic

Tôkyô Tsûshin Network text to speech Tut-Tera Teksajxo (WWW in Esperanto) Telex-Teletex-Umsetzer tele typewriter / Teletype test unit trunk user part Technische Universität total user cell number telephone user part tele-voting television temporary virtual connection trunk workstation [Siemens] transmitter transmitter channel filter unit transit exchange based subscriber transmitter unit uranium / Uran / lat. uranium / 92 protons universal ADSL UMTS MSC unauthorized access universal access number universal asynchronous receiver/transmitter unavailable second Universal ADSL Working Group unspecified bit rate University Corporation for Advanced Internet usage data collector [Siemens] user defined field unrestricted digital interface (64 kbps ISDN data) unrestricted digital information uni-directional link routing user datagram protocol unit data message unstructured data transfer user equipment user equipment with ODMA relay operation enabled ultra high frequency (300 MHz - 3 GHz) unit interval user interactive dialog user identity module user in service user interface support function uplink user management entity Japanese: "plum" / jap. "Pflaume" usage metering function universal modeling language universal mobile personal telecommunications system universal mobile telecommunications system universal number unequipped [signal label] user network interface

user out of service user part usage parameter control user packet channel universal peripheral interface universal plug and play uninterruptible power supply United Parcel Service universal personal telecommunication UTRAN registration area uniform resource locator United States of America United States of America universal serial bus user specific channel universal supervisory center uplink state flag UMTS subscriber identity module unstructured supplementary service data unsolicited status response universal time coordinated universal test and operations physical interface for ATM unshielded twisted pair universal|UMTS terrestrial radio access universal|UMTS terrestrial radio access network UMTS radio interface UNIX to UNIX encoding user to user information/indication user to user signaling user to user signaling service 1 unit under test vanadium / Vanadium / lat. vanadium / 23 protons video on 8mm tape (analog video tape format, 240 lines of horizontal resolution) voice activity detection voice activated dialing very high bitrate asymmetric digital subscriber line value added network Videotext access point value added reseller value added service virtual backbone network very high-speed backbone network service variable bit rate variable bit rate - non real time variable bit rate - real time voice broadcast service virtual channel (F5) virtual container (SDH) virtual connection virtual circuit virtual channel type 4 virtual channel alarm indication signal virtual channel far end receive failure (now: VC-RDI) virtual container level n (SDH)

virtual channel remote failure indication virtual channel connection virtual card calling virtual channel connection endpoint virtual channel identifier virtual channel link virtual core node voltage controlled oscillator virtual CPU virtual channel trail termination point Verein der Deutschen Elektriker voice and data integration very high-speed digital subscriber line [52 Mbps downlink, 320 kbps uplink] video display unit Vermittlungseinrichtung (exchange equipment) voice frequency voice group call service very high bitrate digital subscriber line virtual home environment very high frequency (30 MHz - 300 MHz) video home system (analog video tape format, 240 lines of horizontal resolution) VLAN identifier virtual LAN very large enterprise very low frequency (3 kHz - 30 kHz) visitor location register very large scale integration voice mail virtual machine voice mail center / unified messaging voice mail system voice mail system center visited mobile-services switching center center for traffic measurement (Verkehrsmanagementzentrum) [Siemens] switch exchange (vermittelnder Netzknoten) [Siemens] video object voice over broadband video on demand voice over digital subscriber line voice over frame relay voice over IP tele-voting [Siemens] virtual path (F4) virtual path alarm indication signal virtual path far end receive failure (now: VP-RDI) virtual path remote failure indication virtual path connection virtual path connection endpoint virtual path connection identifier virtual private data network virtual path group visited PLMN virtual path identifier virtual path link

virtual private network virtual path terminator virtual path trail termination point virtual redundancy check virtual reality modelling language virtual router redundancy protocol voice response unit virtual scheduling algorithm very small aperture terminal vertical sideband [modulation] Videotext service center virtual switched network Vermittlungsstelle (exchange) voltage standing wave ratio virtual terminal Verband der Telekommunikations- & Mehrwertdiensteanbieter voice and telephony over ATM virtual terminal protocol wolfram / Wolfram / lat. wolframum / 74 protons wideband code division multiple access wireless local area network wireless PBX World Wide Web Consortium Windows applications binary interface [SunSoft] wide area information service wide area network wireless application protocol world administrative radio conference web cache communication protocol wavelength division multiplexing WWW distributed authoring and versioning weighted fair queueing [Cisco] world geodetic system Windows internet naming service World Intellectual Property Organization wireless local area network wireless local loop wavelength line terminator world market windows-icons-menues-pointers wireless information network wireless local loop world market Weltmeisterschaft (bes. Fußball) wireless markup language World Radiocommunications Conference workstation work station function work station support function wireless telephony applications world wide web what you see is what you get network protocol on network layer level (UNI) messaging (e-mail) standard [ITU-TS]

network protocol on network layer level (NNI) (recommendation for the international numbering plan for public data networks) cross connect transcoder digital subscriber line xenon / Xenon / lat. xenon / 54 protons exchange identifier XpressLink D cross link extensible markup language UNIX SCP cross update master cross update slave yttrium / Yttrium / lat. yttrium / 39 protons (recommendation for directories on PSDN) yet another hierarchical object organizer (internal cell based interface) ytterbium / Ytterbium / lat. ytterbium / 70 protons zero effort networks for users zero administration initiative for Windows Zentrale Betriebsunterstützung zone code zero code sustitution Zeichengabesystem (signaling system) zirkonium / Zirkon / lat. zirkonium / 40 protons centralized mediation function [Siemens] zinc / Zink / lat. zincum / 30 protons Zentralvermittlungsstelle (central exchange) Zentralamt für Zulassungen im Fernmeldewesen zentraler Zeichenkanal (common channel)

mens AG, ICN M NT 13, Elmar Dünßer