\\ More than 3500 Telecom abbreviations maintained by Ioan (Nini) Indreias //
1 A B C D E F G H I J K L M N O P Q R S T U V W X Y
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1GThe first generation of analogue mobile phone technologies (AMPS, TACS and NMT)
2.5GThe enhancement of GSM which includes technologies such as GPRS
2BIQTwo Bits, One Quantenary
2DRMS2-Dimensional Root Mean Square
2GThe second generation of digital mobile phone technologies (GSM, CDMA IS-95 and D-AMPS IS-136)
3GThe third generation of mobile phone technologies covered by the ITU IMT-2000 family
more 1-9 words...(3)
A-bisInterface between the BSC and BTS in a GSM network
A-TDMAAdvanced Time Division Multiple Access
A51/2/3/8XEncryption algorithms for GSM networks
AAAdministrative Authority
AAAllocation Area
AAAuto Answer
more A words...(319)
B-CDMABroadband Code Division Multiple Access
B-CPEBroadband Customer Premises Equipment
B-ICIBroadband ISDN Inter-Carrier Interface
B-ICIBroadband ISDN InterCarrier Interface
B-ISDNBroadband Integrated Services Digital Network
B-ISDNBroadband ISDN
more B words...(179)
C-ISUPProprietary Cisco protocol based on ISUP
C/(N+I)Carrier to Noise plus Interference Ratio
C/ICarrier to Interference Ratio
C/NCarrier to Noise ratio
C/RControl/Response Indication Bit
more C words...(461)
D-AMPSDigital AMPS (US wireless standard, IS-136)
D-HDiffie-Hellman (algorithm)
D-WDMDense-Wavelength Division Multiplexing
D/IDrop and Insert
D3Third generation channel bank (24 chans on T1)
D4Fourth generation channel bank (48 voice chans on 2 T1's or 1 T-1C)
more D words...(307)
E&MEar and Mouth
EAAddress field Extension (HDLC)
EAEqual Access
EAExtended Address
EADExpedited Application Docket
EADASEngineering and Administration Data Acquisition System
more E words...(174)
FAFavourite Area
FABSFlexible Automated Billing System
FACSFacility Assignment and Control System
FAQFrequently Asked Question
FASFrame Alignment Sequence (T-1)
more F words...(165)
G/TGain to Thermal noise
GAAPGenerally Accepted Accounting Principles
GAPGeneric Access Parameter
GAPGeneric Access Profile (DECT)
more G words...(77)
HAHigh Availability
HACHands-Free Add-On Circuit
HCDSHigh Capacity Data Services
HCDSHigh Capacity Digital Services
HCMHigh Capacity Multiplexing
more H words...(91)
I&RInstallation and Repair
I/OInput and Output
IA5International Alphabet #5 (ITU-T)
IAAInitial Address Acknowledgement
IABInternet Advisory Board
IABInternet Architecture Board (formerly Activities)
more I words...(262)
JAINJAVA APIs for Integrated Networks
JISJurisdictional Interstate Service
JITJust in Time
JPEGJoint Photographic Experts Group
JPEGJoint Photographic Experts Group (ISO)
JREJava Runtime Environment
more J words...(5)
KBPS/ KB/s KiloBits Per Second
KBPSKiloBits Per Second
KCPSKiloCycles Per Second
more K words...(4)
LAALongest Available Agent
LACLocation Area Code
LACLocation Area Code (GSM - UMTS)
LACLoop Assignment Center
LADSLocal Area Data Service
LADTLocal Area Data Transport
more L words...(176)
M&PMethods & Procedures
M2UAMTP3 User-Adaptation Layer
M3UAMTP2 User-Adaptation Layer
MAMaintenance Administrator
more M words...(217)
N-AMPSNarrowband AMPS
NA-TDMANorth American Time Division Multiple Access
NANumerical Aperture
NAANext Available Agent
NAANumber Assignment Administration
NABERNational Association of Business and Educational Radio
more N words...(174)
O&MOperation and Maintenance
OA&MOperation, Administration and Maintenace
OAOperator Assistance
OACSUOff-air Call Setup (GSM)
OADMOptical Add-Drop Multiplexer
OAIOpen Access Interconnection
more O words...(121)
P/ARPeak to Average Ratio
P/FPoll/Final Bit
PAPointer Adjustment
PAPreamble (LAN)
more P words...(230)
QAQuality Assurance
QAQueue Arbitrated
QAMQuadature Amplitude Modulation
QAMQuadrature Amplitude Modulation
QAPSKQuadrature Amplitude Phase Shift Keying
QASPRQUALCOMM Automatic Satellite Position Reporting
more Q words...(17)
R5Release 5 of the 3GPP standards (GSM - UMTS)
R6Release 6 of the 3GPP standards
RACReal Application Cluster
RACReal Application Cluster (Database)
more R words...(196)
S&EService & Equipment
S<Speech and Language Technology
S-CDMASynchronous CDMA
S-PCNSatellite Personal Communication Networks
S/NSignal to Noise Ratio
S7APSS7 Application Part
more S words...(452)
T-1DS-1 digital system
TATerminal Adapter
TATerminal Adapter (ISDN)
TATiming Advance
TATiming Advance (GSM - UMTS)
more T words...(231)
UAUnbalanced Asynchronous (HDLC)
UAUnnumbered Acknowledgement (HDLC)
UAUser Agent
UANUser Access Node
UARFCNUTRA Absolute Radio Channel Frequency Number (GSM - UMTS)
UARTUniversal Asynchronous Receiver Transmitter
more U words...(84)
VADVoice Activated Dialing
VADVoice Activity Detector (GSM)
VANValue Added Network
VANValue-Added Network
VANCVoice Activated Network Control
VANSValue Added Network Service
more V words...(121)
W-DCSWideband Digital Crossconnect System
W3CWorld Wide Web Consortium
WAWork Area
WACKWait Acknowledgement (BISYNC)
WACSWireless Access Communications System
more W words...(56)
XA-FRExchange Access Frame Relay
XA-SMDSExchange Access Switched Multi-megabit Data Service
XAExchange Access (SMDS)
XAMEeXchange Access Mapping Entity
XAPIAX.400 API Association
XBARcross BAR switch
more X words...(17)
YPYellow Pages
ZBTSZero Byte Time Slot
ZBTSIZero Byte Time Slot Interchange
ZCSZero Code Suppression
ZIPZone Information Protocol (AppleTalk)
ZISZone Information Socket
ZITZone Information Table
more Z words...(1)
SMBZ - SaMBoZaur - test for propagation of define: