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

If you know of any abbreviation(s) that we have missed out - please feel free to let us know. With your help we can make this list better for everyone.

Some of these abbreviations may be seen in mobile phone descriptions and specifications.

The list below begins with abbreviations in alphabetical order.

Abbreviations beginning with a number can be found at the bottom of this list.


A2DP = Advanced Audio Coding Profile;

AAC = Advanced Audio Coding;

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;

APN = Access Point Name;

App(s) = Application(s);

AVRCP = Audio Video Remote Control Profile;


BPS = Bits Per Second;

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.

cHTML = compact Hypertext Markup Language;

CIF = Common Intermediate Format;

CISAS = Communication and Internet Services Adjudication Scheme
See our article Mobile Phone Regulation and Complaints

CMAS - Commercial Mobile Alert Service;

CMOS = Complementary Metal Oxide Semiconductor;

CPU = Central Processing Unit;

CSIM = CDMA Subscriber Identity Module;

CSTN = Colour Semi Twisted Nematic;


D-AMPS = Digital Advanced Mobile Phone Service;

DC-HSDPA = Dual Carrier High-Speed Downlink Packet Access; or

DC-HSDPA = Dual Cell High-Speed Downlink Packet Access;

DLNA = Digital Living Network Alliance;

DNSe = Digital Natural Sound engine;

DRM = Digital Rights Management;

DVB-H = Digital Video Broadcasting - Handheld;


EDGE = Enhanced Data (for) GSM Evolution;

EDR = Enhanced Data Rate;

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

EGSM = Extended Global System (for) Mobile;

EIR = Equipment Identity Register;

EMS = Enhanced Message Service;

eSIM - embedded SIM  (embedded Subscriber Identity Module; Also, embedded Subscriber Identification Module);

ESN = Electronic Serial Number;

ETSI = European Telecommunications Standards Institute;

EUIMID = Expanded User Identity Module Identifier;


FAC = Final Assembly Code; IMEI And Phone Identity

FCC = Federal Communications Commission;

FOTA = Firmware Over-The-Air;

FPS = Frames Per Second;

FTP = File Transfer Protocol;


GB = Gigabyte;

Gbps = Gigabits per second;

GLONASS = Globalnaya Navigatsionnaya Sputnikovaya Sistema; (Russian name given to a Global Satellite 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;


HEVC = High Efficiency Video Coding;

HSCSD = High Speed Circuit Switched Data;

HSDPA = High Speed Download Packet Access;

HSDPA+ = High-Speed Download Packet Access Plus;

HSP = Headset Profile;

HSPA = High Speed Packet Access;

HSUPA = High Speed Upload Packet Access;


ICCID = Integrated Circuit Card Identifier;

IM = Instant Message (Also: Instant Messaging);

IMAP = Internet Message Access Protocol;

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;


There is nothing here yet. If you know of any please feel free to let us know !


KB = Kilobyte;

Kbps = Kilobits per second;


LAI = Local Area Identity;

LCD = Liquid Crystal Diode;

LED = Light-Emitting Diode;

Li-Ion = Lithium Ion;

Li-Polymer = Lithium Polymer;

LBS = Location-Based Services;

LTE = Long Term Evolution;


MAG = Mobile Access Gateway;

MAP = Mobile Application Part;

MCC = Mobile Country Code;

ME = Mobile Equipment;

MEID = Mobile Equipment Identifier;

MCC = Mobile Country Code;

MHL = Mobile High-Definition Link;

MIDP = Mobile Information Device Profile;

MIM = Mobile Instant Messaging;

MIN = Mobile Identification Number;

MMS = Multimedia Message Service (Also: Multimedia Messaging 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 Center(s);

MSE = Mobile Station Equipment;

MSIN = Mobile Station Identification Number;

MSISDN = Mobile Station International Subscriober Directory 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;

NFC = Near Field Communication;

NiCd = Nickel Cadmium;

NiMH = Nickel Metal Hydride;

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


OEM = Original Equipment Manufacturer;

OfCom = Office of Communications;
See our article Mobile Phone Regulation and Complaints

OLED = Organic Light Emitting Diode;

OMA = Open Mobile Alliance;

OS = Operating System;

OTA = Over-The-Air;

OTELO = the Office of the Telecommunications Ombudsman.
(Now become "Ombudsman Services").
See our article Mobile Phone Regulation and Complaints


PAC = Port Authorisation Code; PIN PAC PUK

PAYG = Pay As You Go; Contract Or PAYG

PAYM =Pay Monthly;

PBA = Phone Book Access;

PCS = Personal Communications Service;

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

PIM = Personal Information Manager (Also: Personal Information Management);

PIN = Personal Identification Number; PIN PAC PUK

PLMN = Public Land Mobile Network;

P-OLED = Polymer Organic Light Emitting Diode;

PTT = Push-To-Talk;

PUK = Pin Unlock Key; PIN PAC PUK


QCIF = Quarter Common Intermediate Format;

QZSS = Quasi-Zenith Satellite System;

QVGA = Quarter Video Graphics Array;


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;

SAR = Specific Absorption Rate;

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

SIC = System Identification Code;

SIM = Subscriber Identity Module; SIM Card Facts
Also: Subscriber Identification Module.

SMIL = Synchronized Multimedia Integration Language;

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);

SPN = Service Provider Name;


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

TD-SCDMA = Time Division-Synchronous Code Division Multiple Access;

TFD = Thin Film Diode;

TFT = Thin Film Transistor;

TMSI = Temporary Mobile Subscriber Identity;


UI = User Interface;

UIMID = User Identity Module Identifier;

UMA = Unlicensed Mobile Access;

UMTS = Universal Mobile Telecommunications System (ETSI);

UPnP = Universal Plug and Play;

USIM = Universal Subscriber Identity Module;

USB = Universal Serial Bus;


VGA = Video Graphics Array;

VLR = Visitor Location Register;

VoIP = Voice over Internet Protocol;

VPN = Virtual Private Network;


WAP = Wireless Application Protocol;

WCDMA = Wide-band Code Division Multiple Access;

Wi-Fi = Wireless Fidelity;

WMV = Windows Media Video;


There are none here yet. If you know of any please feel free to let us know !


There are none here yet. If you know of any please feel free to let us know !


There are none here yet. If you know of any please feel free to let us know.

Numbered Abbreviations

2G = 2nd Generation (Second Generation);

3G = 3rd Generation (Third Generation);

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

3GPP = 3rd Generation Partnership Project;

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

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

5G = 5th Generation (Fifth Generation);

Article written by: T. Austin,

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