gsm 01.04 abbreviations and acronyms

ETSI TR 101 748 V8.0.0 (2000-05)Technical Report

Digital cellular telecommunications system (Phase 2+);Abbreviations and acronyms

(GSM 01.04 version 8.0.0 release 1999)

GLOBAL SYSTEM FORMOBILE COMMUNICATIONS

R

ETSI

ETSI TR 101 748 V8.0.0 (2000-05)2(GSM 01.04 version 8.0.0 release 1999)

ReferenceRTR/SMG-010104Q8

KeywordsDigital cellular telecommunications system,

Global System for Mobile communications (GSM)

ETSI

650 Route des LuciolesF-06921 Sophia Antipolis Cedex - FRANCE

Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16

Siret N° 348 623 562 00017 - NAF 742 CAssociation à but non lucratif enregistrée à laSous-Préfecture de Grasse (06) N° 7803/88

Important notice

Individual copies of the present document can be downloaded from:http://www.etsi.org

The present document may be made available in more than one electronic version or in print. In any case of existing orperceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).

In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific networkdrive within ETSI Secretariat.

Users of the present document should be aware that the document may be subject to revision or change of status.Information on the current status of this and other ETSI documents is available at http://www.etsi.org/tb/status/

If you find errors in the present document, send your comment to:[email protected]

Copyright Notification

No part may be reproduced except as authorized by written permission.The copyright and the foregoing restriction extend to reproduction in all media.

© European Telecommunications Standards Institute 2000.All rights reserved.

http://www.etsi.org/

http://www.etsi.org/tb/status

[email protected]

ETSI


Contents

Intellectual Property Rights................................................................................................................................4

Foreword ............................................................................................................................................................4

1 Scope ........................................................................................................................................................5

2 References ................................................................................................................................................5

3 Abbreviations and acronyms....................................................................................................................5A ............................................................................................................................................................................5B ............................................................................................................................................................................6C ............................................................................................................................................................................6D ............................................................................................................................................................................7E ............................................................................................................................................................................8F ............................................................................................................................................................................8G ............................................................................................................................................................................8H ............................................................................................................................................................................9I ............................................................................................................................................................................9K ............................................................................................................................................................................9L ............................................................................................................................................................................9M ..........................................................................................................................................................................10N ..........................................................................................................................................................................11O ..........................................................................................................................................................................11P ..........................................................................................................................................................................12Q ..........................................................................................................................................................................12R ..........................................................................................................................................................................12S ..........................................................................................................................................................................13T ..........................................................................................................................................................................14U ..........................................................................................................................................................................15V ..........................................................................................................................................................................15W ..........................................................................................................................................................................15X ..........................................................................................................................................................................15Z ..........................................................................................................................................................................15

Annex A: Document change history.....................................................................................................16

History ..............................................................................................................................................................17

ETSI


Intellectual Property RightsIPRs essential or potentially essential to the present document may have been declared to ETSI. The informationpertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be foundin SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respectof ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server(http://www.etsi.org/ipr).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guaranteecan be given as to the existence of other IPRs not referenced in SR 000 314 (or the updates on the ETSI Web server)which are, or may be, or may become, essential to the present document.

ForewordThis Technical Report (TR) has been produced by the Special Mobile Group (SMG).

The present document provides the abbreviations and acronyms to be used throughout the GSM specifications.

The contents of the present document may be subject to continuing work within SMG and may change following formalSMG approval. Should SMG modify the contents of the present document it will then be re-submitted for formalapproval procedures by ETSI with an identifying change of release date and an increase in version number as follows:

Version 8.x.y

where:

8 indicates release 1999 of GSM Phase 2+;

x the second digit is incremented for all other types of changes, i.e. technical enhancements, corrections,updates, etc.

y the third digit is incremented when editorial only changes have been incorporated in the specification.

http://www.etsi.org/ipr

ETSI


1 ScopeThe present document provides the abbreviations and acronyms to be used throughout the GSM specifications.

All abbreviations are presented in the singular, but are equally applicable to the plural.

2 ReferencesThe present document has no references.

3 Abbreviations and acronyms

AA3 Authentication algorithm A3A38 A single algorithm performing the functions of A3 and A8A5/1 Encryption algorithm A5/1A5/2 Encryption algorithm A5/2A5/X Encryption algorithm A5/0-7A8 Ciphering key generating algorithm A8AB Access BurstAC - Access Class (C0 to C15)

- Application ContextACC Automatic Congestion ControlACCH Associated Control CHannelACK ACKnowledgementACM - Accumulated Call Meter

- Address Complete MessageACU Antenna Combining UnitADC - ADministration Centre

- Analogue to Digital ConverterADN Abbreviated Dialling NumberADPCM Adaptive Differential Pulse Code ModulationAE Application EntityAEC Acoustic Echo ControlAEF Additional Elementary FunctionsAGCH Access Grant CHannelAi Action indicatorAoC Advice of ChargeAoCC Advice of Charge Charging supplementary serviceAoCI Advice of Charge Information supplementary serviceASE Application Service ElementASN.1 Abstract Syntax Notation OneARFCN Absolute Radio Frequency Channel NumberARQ Automatic ReQuest for retransmissionATT (flag) ATTachAU Access UnitAuC Authentication CentreAUT(H) AUThentication

ETSI


BBA BCCH AllocationBAIC Barring of All Incoming Calls supplementary serviceBAOC Barring of All Outgoing Calls supplementary serviceBCC Base Transceiver Station (BTS) Colour CodeBCCH Broadcast Control CHannelBCD Binary Coded DecimalBCF Base station Control FunctionBCIE Bearer Capability Information ElementBER Bit Error RateBFI Bad Frame IndicationBI all Barring of Incoming call supplementary servicesBIC-Roam Barring of Incoming Calls when Roaming outside the home PLMN country supplementary serviceBm Full-rate traffic channelBN Bit NumberBO all Barring of Outgoing call supplementary servicesBOIC Barring of Outgoing International Calls supplementary serviceBOIC-exHC Barring of Outgoing International Calls except those directed to the Home PLMN Country

supplementary serviceBS - Basic Service (group)

- Bearer ServiceBSG Basic Service GroupBSC Base Station ControllerBSIC Base transceiver Station Identity CodeBSIC-NCELL BSIC of an adjacent cellBSS Base Station SystemBSSAP Base Station System Application PartBSSMAP Base Station System Management Application PartBSSOMAP Base Station System Operation and Maintenance Application PartBTS Base Transceiver Station

CC ConditionalCA Cell AllocationCAI Charge Advice InformationCB Cell BroadcastCBC Cell Broadcast CentreCBCH Cell Broadcast CHannelCBMI Cell Broadcast Message IdentifierCC - Country Code

- Call ControlCCBS Completion of Calls to Busy Subscriber supplementary serviceCCCH Common Control CHannelCCF Conditional Call ForwardingCCH Control CHannelCCITT Comité Consultatif International Télégraphique et Téléphonique (The International Telegraph and

Telephone Consultative Committee)CCM Current Call MeterCCP Capability/Configuration ParameterCCPE Control Channel Protocol EntityCct CircuitCDUR Chargeable DURationCED called station identifierCEIR Central Equipment Identity RegisterCEND end of charge pointCEPT Conférence des administrations Européennes des Postes et TelecommunicationsCF - Conversion Facility

ETSI


- all Call Forwarding servicesCFB Call Forwarding on mobile subscriber Busy supplementary serviceCFNRc Call Forwarding on mobile subscriber Not Reachable supplementary serviceCFNRy Call Forwarding on No Reply supplementary serviceCFU Call Forwarding Unconditional supplementary serviceCHP CHarging PointCHV Card Holder Verification informationCI - Cell Identity

- CUG IndexCIR Carrier to Interference RatioCKSN Ciphering Key Sequence NumberCLI Calling Line IdentityCLIP Calling Line Identification Presentation supplementary serviceCLIR Calling Line Identification Restriction supplementary serviceCM Connection ManagementCMD CoMmanDCMM Channel Mode ModifyCNG CalliNG toneCOLI COnnected Line IdentityCOLP COnnected Line identification Presentation supplementary serviceCOLR COnnected Line identification Restriction supplementary serviceCOM COMpleteCONNACK CONNect ACKnowledgementC/R Command/Response field bitCRC Cyclic Redundancy Check (3 bit)CRE Call RE-establishment procedureCSPDN Circuit Switched Public Data NetworkCT - Call Transfer supplementary service

- Channel Tester- Channel Type

CTR Common Technical RegulationCUG Closed User Group supplementary serviceCW Call Waiting supplementary service

DDAC Digital to Analogue ConverterDB Dummy BurstDCCH Dedicated Control CHannelDCE Data Circuit terminating EquipmentDCF Data Communication FunctionDCN Data Communication NetworkDCS1800 Digital Cellular System at 1800MHzDET DETachDISC DISConnectDL Data Link (layer)DLCI Data Link Connection IdentifierDLD Data Link DiscriminatorDm Control channel (ISDN terminology applied to mobile service)DMR Digital Mobile RadioDNIC Data network identifierDP Dial/Dialled PulseDRX Discontinuous reception (mechanism)DSE Data Switching ExchangeDSI Digital Speech InterpolationDSS1 Digital Subscriber Signalling No1DTAP Direct Transfer Application PartDTE Data Terminal EquipmentDTMF Dual Tone Multi-Frequency (signalling)

ETSI


DTX Discontinuous transmission (mechanism)

EEA External AlarmsEBSG Elementary Basic Service GroupECM Error Correction Mode (facsimile)Ec/No Ratio of energy per modulating bit to the noise spectral densityECT Explicit Call Transfer supplementary serviceEEL Electric Echo LossEIR Equipment Identity RegisterEL Echo LossEMC ElectroMagnetic CompatibilityeMLPP enhanced Multi-Level Precedence and Pre-emption serviceEMMI Electrical Man Machine InterfaceEPROM Erasable Programmable Read Only MemoryERP - Ear Reference Point

- Equivalent Radiated PowerERR ERRorETR ETSI Technical ReportETS European Telecommunication StandardETSI European Telecommunications Standards Institute

FFA - Full Allocation

- Fax AdaptorFAC Final Assembly CodeFACCH Fast Associated Control CHannelFACCH/F Fast Associated Control Channel/Full rateFACCH/H Fast Associated Control Channel/Half rateFB Frequency correction BurstFCCH Frequency Correction CHannelFCS Frame Check SequenceFDM Frequency Division MultiplexFDN Fixed Dialling NumberFEC Forward Error CorrectionFER Frame Erasure RatioFH Frequency HoppingFN Frame NumberFR Full Rateftn forwarded-to number

GGCR Group Call RegisterGMLC Gateway Mobile Location CentreGMSC Gateway Mobile-services Switching CentreGMSK Gaussian Minimum Shift Keying (modulation)GPA GSM PLMN AreaGPRS General Packet Radio ServiceGSA GSM System AreaGSM Global System for Mobile communicationsGSM MS GSM Mobile StationGSM PLMN GSM Public Land Mobile NetworkGT Global Title

ETSI


HHANDO HANDOverHDLC High level Data Link ControlHLC High Layer CompatibilityHLR Home Location RegisterHOLD Call hold supplementary serviceHPLMN Home PLMNHPU Hand Portable UnitHR Half RateHSN Hopping Sequence NumberHU Home Units

II Information frames (RLP)IA Incoming Access (closed user group SS)IAM Initial Address MessageIC Interlock Code (CUG SS)ICB Incoming Calls Barred (within the CUG)ICC Integrated Circuit(s) CardIC(pref) Interlock Code of the preferential CUGICM In-Call ModificationID IDentification/IDentity/IDentifierIDN Integrated Digital NetworkIE (signalling) Information ElementIEC International Electrotechnical CommissionIEI Information Element IdentifierI-ETS Interim European Telecommunications StandardIMEI International Mobile station Equipment IdentityIMSI International Mobile Subscriber IdentityIN Interrogating NodeISC International Switching CentreISDN Integrated Services Digital NetworkISO International Organization for StandardizationISUP ISDN User Part (of signalling system No.7)ITC Information Transfer CapabilityITU International Telecommunication UnionIWF InterWorking FunctionIWMSC InterWorking MSCIWU InterWorking Unit

Kk Windows sizeK Constraint length of the convolutional codeKc Ciphering keyKi Individual subscriber authentication key

LL1 Layer 1L2ML Layer 2 Management LinkL2R Layer 2 RelayL2R BOP L2R Bit Orientated ProtocolL2R COP L2R Character Orientated ProtocolL3 Layer 3

ETSI


LA Location AreaLAC Location Area CodeLAI Location Area IdentityLAN Local Area NetworkLAPB Link Access Protocol BalancedLAPDm Link Access Protocol on the Dm channelLCN Local Communication NetworkLCS Location ServiceLCSC LCS ClientLCSS LCS ServerLE Local ExchangeLI - Length Indicator

- Line IdentityLLC Low Layer CompatibilityLm Traffic channel with capacity lower than a BmLMSI Local Mobile Station IdentityLMU Location Measurement UnitLND Last Number DialledLPLMN Local PLMNLR Location RegisterLSTR Listener SideTone RatingLTE Local Terminal EmulatorLU - Local Units

- Location UpdateLV Length and Value

MM MandatoryMA Mobile AllocationMACN Mobile Allocation Channel NumberMAF Mobile Additional FunctionMAH Mobile Access Hunting supplementary serviceMAI Mobile Allocation IndexMAIO Mobile Allocation Index OffsetMAP Mobile Application PartMCC Mobile Country CodeMCI Malicious Call Identification supplementary serviceMD Mediation DeviceMDL (mobile) Management (entity) - Data Link (layer)ME - Maintenance Entity

- Mobile EquipmentMEF Maintenance Entity FunctionMF MultiFrameMHS Message Handling SystemMIC Mobile Interface ControllerMLC Mobile Location CentreMM - Man Machine

- Mobility ManagementMME Mobile Management EntityMMI Man Machine InterfaceMNC Mobile Network CodeMO Mobile OriginatedMO-LR Mobile Originating Location RequestMoU Memorandum of UnderstandingMPH (mobile) Management (entity) - PHysical (layer) [primitive]MPTY MultiParTY (Multi ParTY) supplementary serviceMRP Mouth Reference PointMS Mobile Station

ETSI


MSC Mobile-services Switching Centre, Mobile Switching CentreMSCM Mobile Station Class MarkMSCU Mobile Station Control UnitMSISDN Mobile Station International ISDN NumberMSRN Mobile Station Roaming NumberMT - Mobile TerminatedMT (0,1,2) - Mobile TerminationMT-LR Mobile Terminating Location RequestMTM Mobile-To-Mobile (call)MTP Message Transfer PartMU Mark UpMUMS Multi User Mobile Station

NN/W NetworkNB Normal BurstNBIN A parameter in the hopping sequenceNCC Network (PLMN) Colour CodeNCELL Neighbouring (of current serving) CellNCH Notification CHannelNDC National Destination CodeNDUB Network Determined User BusyNE Network ElementNEF Network Element FunctionNET Norme Europeenne de TélécommunicationsNF Network FunctionNIC Network Independent ClockingNI-LR Network Induced Location RequestNM Network ManagementNMC Network Management CentreNMSI National Mobile Station Identification numberNPI Number Plan IndentifierNSAP Network Service Access PointNT - Network Termination

- Non TransparentNTAAB New Type Approval Advisory BoardNUA Network User AccessNUI Network User IdentificationNUP National User Part (SS7)

OO OptionalOA Outgoing Access (CUG SS)O&M Operations & MaintenanceOACSU Off-Air-Call-Set-UpOCB Outgoing Calls Barred within the CUGOD Optional for operators to implement for their aimOLR Overall Loudness RatingOMC Operations & Maintenance CentreOML Operations and Maintenance LinkOS Operating SystemOSI Open System InterconnectionOSI RM OSI Reference Model

ETSI


PPABX Private Automatic Branch eXchangePAD Packet Assembly/Disassembly facilityPCH Paging CHannelPCM Pulse Code ModulationPD - Protocol Discriminator

- Public DataPDN Public Data NetworksPH - Packet Handler

- PHysical (layer)PHI Packet Handler InterfacePI Presentation IndicatorPICS Protocol Implementation Conformance StatementPIN Personal Identification NumberPIXT Protocol Implementation eXtra information for TestingPLMN Public Lands Mobile NetworkPNE Présentation des Normes EuropéennesPOI Point Of Interconnection (with PSTN)PP Point-to-PointPPE Primative Procedure EntityPref CUG Preferential CUGPs Location probabilityPSPDN Packet Switched Public Data NetworkPSTN Public Switched Telephone NetworkPUCT Price per Unit Currency TablePW Pass Word

QQA Q (Interface) - AdapterQAF Q - Adapter FunctionQOS Quality Of Service

RR Value of Reduction of the MS transmitted RF power relative to the maximum allowed output

power of the highest power class of MS (A)RA RAndom mode request information fieldRAB Random Access BurstRACH Random Access CHannelRAND RANDom number (used for authentication)RBER Residual Bit Error RatioRDI Restricted Digital InformationREC RECommendationREJ REJect(ion)REL RELeaseREQ REQuestRF Radio FrequencyRFC Radio Frequency ChannelRFCH Radio Frequency CHannelRFN Reduced TDMA Frame NumberRFU Reserved for Future UseRLP Radio Link ProtocolRLR Receiver Loudness RatingRMS Root Mean Square (value)RNTABLE Table of 128 integers in the hopping sequenceRPOA Recognised Private Operating Agency

ETSI


RR Radio ResourceRSE Radio System EntityRSL Radio Signalling LinkRSZI Regional Subscription Zone IdentityRTE Remote Terminal EmulatorRXLEV Received signal levelRXQUAL Received Signal Quality

SS/W SoftWareSABM Set Asynchronous Balanced ModeSACCH Slow Associated Control CHannelSACCH/C4 Slow Associated Control CHannel/SDCCH/4SACCH/C8 Slow Associated Control CHannel/SDCCH/8SACCH/T Slow Associated Control CHannel/Traffic channelSACCH/TF Slow Associated Control CHannel/Traffic channel Full rateSACCH/TH Slow Associated Control CHannel/Traffic channel Half rateSAP Service Access PointSAPI Service Access Point IndicatorSB Synchronization BurstSC - Service Centre (used for SMS)

- Service CodeSCCP Signalling Connection Control PartSCH Synchronization CHannelSCN Sub-Channel NumberSDCCH Stand-alone Dedicated Control CHannelSDL Specification Description LanguageSDT SDL Development ToolSDU Service Data UnitSE Support EntitySEF Support Entity FunctionSFH Slow Frequency HoppingSI - Screening Indicator

- Service Interworking- Supplementary Information (SIA=Supplemenatary Information A)

SID SIlence DescriptorSIM Subscriber Identity ModuleSLPP Subscriber LCS Privacy ProfileSLR Send Loudness RatingSLTM Signalling Link Test MessageSME Short Message EntitySMG Special Mobile GroupSMLC Serving Mobile Location CentreSMS Short Message ServiceSMSCB Short Message Service Cell BroadcastSMS-SC Short Message Service - Service CentreSMS/PP Short Message Service/Point-to-PointSmt Short message terminalSN Subscriber NumberSNR Serial NumbeRSOA Suppress Outgoing Access (CUG SS)SP - Service Provider

- Signalling Point- SPare

SPC Signalling Point CodeSPC Suppress Preferential CUGSRES Signed RESponse (authentication)SS - Supplementary Service

ETSI


- System SimulatorSSC Supplementary Service Control stringSSN Sub-System NumberSS7 Signalling System No. 7STMR SideTone Masking RatingSTP Signalling Transfer PointSVN Software Version Number

TT - Timer

- Transparent- Type only

TA - Terminal Adaptor- Timing Advance (between an MS and its serving BTS)

TAC Type Approval CodeTAF Terminal Adaptation FunctionTBR Technical Basis for RegulationTC Transaction CapabilitiesTCH Traffic CHannelTCH/F A full rate TCHTCH/F2,4 A full rate data TCH (≤2,4kbit/s)TCH/F4,8 A full rate date TCH (4,8kbit/s)TCH/F9,6 A full rate data TCH (9,6kbit/s)TCH/FS A full rate Speech TCHTCH/H A half rate TCHTCH/H2,4 A half rate data TCH (≤2,4kbit/s)TCH/H4,8 A half rate data TCH (4,8kbit/s)TCH/HS A half rate Speech TCHTCI Transceiver Control InterfaceTC-TR Technical Committee Technical ReportTDMA Time Division Multiple AccessTE Terminal EquipmentTei Terminal endpoint identifierTFA TransFer AllowedTFP TransFer ProhibitedTI Transaction IdentifierTLV Type, Length and ValueTMN Telecommunications Management NetworkTMSI Temporary Mobile Subscriber IdentityTN Timeslot NumberTOA Time of ArrivalTON Type Of NumberTRX TransceiverTS - Time Slot

- Technical Specification- TeleService

TSC Training Sequence CodeTSDI Transceiver Speech & Data InterfaceTTCN Tree and Tabular Combined NotationTUP Telephone User Part (SS7)TV Type and ValueTXPWR Transmit PoWeR; Tx power level in the MS_TXPWR_REQUEST and MS_TXPWR_CONF

parameters

ETSI


UUDI Unrestricted Digital InformationUDUB User Determined User BusyUI Unnumbered Information (Frame)UIC Union Internationale des Chemins de FerUPCMI Uniform PCM Interface (13-bit)UPD Up to dateUSSD Unstructured Supplementary Service DataUUS User-to-User Signalling supplementary service

VV Value onlyVAD Voice Activity DetectionVAP Videotex Access PointVBS Voice Broadcast ServiceVGCS Voice Group Call ServiceVLR Visitor Location RegisterVMSC Visited MSC, (recommendation not to be used)VPLMN Visited PLMNVSC Videotex Service CentreV(SD) Send state variableVTX host The components dedicated to Videotex service

WWS Work StationWPA Wrong Password Attempts (counter)

XXID eXchange IDentifier

ZZC Zone Code

ETSI


Annex A:Document change history

Statusof

GSM 01.04Date Version Information about changesAugust 1999 Version 7.0.0 Inclusion of CR approved SMG#29 A002May 2000-05-10 Version 8.0.0 V8.0.0 created for R99

ETSI


History

Document history

V7.0.0 August 1999 Publication

V8.0.0 May 2000 Publication

gsm 01.04 abbreviations and acronyms

Documents

etsi web server

present document

cug ss

global system

mobile communications

potentially essential

etsi secretariat

gsm specifications