Mobile Phone Related Abbreviations

In this article we expand common, and not so common, Mobile and Mobile Telephony abbreviations. If we have missed any out please let us know and it will be added:

Where an abbreviation in this list is used in one, or more, of our articles we have provided a link to the appropriate article(s).

Some of the abbreviations, or acronyms, listed below relate to other niches as well as the Mobile Phone niche - however their meaning(s) may remain as below - in other niches however the meaning(s) may be different to those below.

Abbreviations used in the list below may be found elsewhere on

AC = Authentication Center;

ACRE = Authorisation and Call Routing Equipment;

A - GPS (also: AGPS) = Assisted - Global Positioning System;

AMOLED = Active Matrix Organic Light Emitting Diode;

AMPS = Analogue (Also: Advanced) Mobile Phone System;

ANS = Advanced Network Services;

App(s) = Application(s);

BS = Base Station;

BSC = Base Station Controller;

BSS = Base Station System;

CAMEL = Customised Applications (for) Mobile-network Enhanced Logic (GSM / ETSI);

CDMA = Code Division Multiple Access;

(C)EIR = (Central) Equipment Identity Register; Blocked and Blocking and IMEI And Phone Identity.

CMAS - Commercial Mobile Alert Service;

CSIM = CDMA Subscriber Identity Module;

D-AMPS = Digital Advanced Mobile Phone Service;

EDGE = Enhanced Data (for) GSM Evolution;

EE = Everything Everywhere (Merger between T-Mobile and Orange);

EGSM = Extended Global System (for) Mobile;

EIR = Equipment Identity Register;

EMS = Enhanced Message Service;

ESN = Electronic Serial Number;

ETSI = European Telecommunications Standards Institute;

EUIMID = Expanded User Identity Module Identifier;

FAC = Final Assembly Code; IMEI And Phone Identity

GLONASS = Globalnaya Navigatsionnaya Sputnikovaya Sistema; (Russian name given to a Global Satelite Navigation System);

GMSC = Gateway Mobile Switching Center;

GPS = Global Positioning System;

GPRS = General Packet Radio Services;

GPU = Graphics Processing Unit;

GSM = Global System (for) Mobile;

GSMA = Global System (for) Mobile Association;

GSMS = GPRS Short Message Service;

GTP = GPRS Tunnelling Protocol;

HSDPA = High Speed Download Packet Access;

HSPA = High Speed Packet Access;

HSUPA = High Speed Upload Packet Access;

ICCID = Integrated Circuit Card Identifier;

IMEI = International Mobile Equipment Identity; IMEI And Phone Identity

IMEISV = International Mobile Equipment Identity Software Version; IMEI And Phone Identity

IMSI = International Mobile Subscriber Identity;

IMT2000 = International Mobile Telecommunications 2000;

LAI = Local Area Identity;

LTE = Long Term Evolution;

MAG = Mobile Access Gateway;

MAP = Mobile Application Part;

ME = Mobile Equipment;

MEID = Mobile Equipment Identifier;

MCC = Mobile Country Code;

MIM = Mobile Instant Messaging;

MIN = Mobile Identification Number;

MMS = Multimedia Message Service;

MNC = Mobile Network Code;

MNO = Mobile Network Operator; MVNA MVNE MVNO MNO

MNP = Mobile Number Portability; Unlocking Mobile Phones also PIN PAC PUK

MP3 = MPEG-1 Audio Layer-3 (Moving / Motion Picture Expert Group 3);

MP4 = MPEG-4 Part 14 (Moving / Motion Picture Expert Group 4);

MPEG = Moving (Also: Motion) Picture Experts Group;

MS = Mobile Station;

MSC = Mobile Switching Centre(s);

MSE = Mobile Station Equipment;

MSIN = Mobile Station Identification Number;

MT = Mobile Terminated;

MTSO = Mobile Telephone Switching Office;

MVNA = Mobile Virtual Network Aggregators; MVNA MVNE MVNO MNO

MVNE = Mobile Virtual Network Enabler; MVNA MVNE MVNO MNO

MVNO = Mobile Virtual Network Operator; Networks Real or Virtual also MVNA MVNE MVNO MNO

N-AMPS = Narrowband - Advanced Mobile Phone Service;

NUC = Network Unlocking Code; Unlocking Mobile Phones also PIN PAC PUK

OMA = Open Mobile Alliance;

PAC = Port Authorisation Code; PIN PAC PUK

PAYG = Pay As You Go; Contract Or PAYG

PAYM =Pay Monthly;

PDA = Personal Digital Assistant; Also: Portable Digital Assistant;

PIM = Personal Information Manager;

PIN = Personal Identification Number; PIN PAC PUK

PLMN = Public Land Mobile Network;

PUK = Pin Unlock Key; PIN PAC PUK

RAM = Random Access Memory;

RIM = Research In Motion (The company behind Blackberry);

ROM = Read Only Memory;

R-UIM = Removable - User Identity Module;

SAP = SIM Access Profile;

S - GPS (Also: SGPS) = Simultaneous - Global Positioning System;

SIC = System Identification Code;

SIM = Subscriber Identity Module; SIM Card Facts

SMS = Small Message Service; Also: Short Message Service;

SMSC = Small Message Service Center; Also: Short Message Service Center;

SMC-CS = Small (Also: Short) Message Control - Circuit Switched;

SMC-GP = Small (Also: Short) Message Control - GPRS Protocol;

SMSMM = Small (Also: Short) Message Service Mobility Management;

SMS - MO = Small (Also: Short) Message Service - Mobile Originated;

SMS - MT = Small (Also: Short) Message Service - Mobile Terminated;

SM-RL = Small (Also: short) Message - Relay Layer;

SM-TL = Small (Also: Short) Message - Transfer Layer;

SNS = Social Network Service (Also: Social Network Server)

TAC = Type Approval Code; or Type Allocation Code; IMEI And Phone Identity

TMSI = Temporary Mobile Subscriber Identity;

UI = User Interface;

UIMID = User Identity Module Identifier;

UMA = Unlicensed Mobile Access;

UMTS = Universal Mobile Telecommunications System (ETSI);

USIM = Universal Subscriber Identity Module;

USB = Universal Serial Bus;

VLR = Visitor Location Register;

VoIP = Voice over Internet Protocol;

WAP = Wireless Application Protocol;

WCDMA = Wide-band Code Division Multiple Access;

Wi-Fi = Wireless Fidelity;

2G = 2nd Generation;

3G = 3rd Generation;

3G-MSC / VLR = 3rd Generation Mobile Switching Centre / Visitor Location Register;

3GPP = 3rd Generation Partnership Project;

3G-SGSN = 3rd Generation Serving GPRS Support Node;

4G = Fourth (4th) Generation; 2012 to possibly see 4G and 4G What Is It

Article written by: T. Austin,