| AMR |
Adaptive Multi-Rate (codec) |
| AP |
Access Point |
| APN |
Access Point Name |
|
|
| BAOC |
Barring of all outgoing calls |
| BGAN |
Broadband Global Area Network |
| BOIC |
Barring of outgoing international calls |
| BOIC-ex Hc |
Barring of outgoing international calls except to the home country |
| BSC |
Base Station Controller |
| BSS |
Base Station Subsystem |
| BTS |
Base Transceiver Station |
|
|
| CCBS |
Completion of Call to Busy Subscriber |
| CDR |
Call Data Record |
| Cell |
Transmission area covered by an aerial |
| Cell Group |
Transmission area covered by a group of aerials |
| CF |
Call Forwarding |
| CFB |
Call Forwarding on Mobile Subscriber Busy |
| CFNRc |
Call Forwarding on Mobile Subscriber Not Reachable |
| CFNRy |
Call Forwarding on Mobile Subscriber No Reply |
| CFU |
Call Forwarding Unconditional |
| CH |
Call Hold |
| CHLR |
Central Home Location Register |
| CLI |
Calling Line Identity |
| CLIP |
Calling line identification presentation |
| CLIR |
Calling line identification restriction |
| CNAP |
Calling Name Presentation |
| CODEC |
Coder/Decoder |
| COLP |
Connected line presentation |
| COLR |
Connected line restriction |
| CSD |
Circuit Switched Data |
| CW |
Call Waiting |
|
|
| DDI |
Direct Dial-In |
| DSL |
Digital Subscriber Line |
| DTMF |
Dual Tone Multiple Frequency |
|
|
| ECT |
Explicit Call Transfer |
| EDGE |
Enhanced Data Rates for GSM Evolution |
| EFR |
Enhanced Full Rate |
|
|
| GAN |
Global Area Network |
| Gateway |
Device used to interface PMX with the wider network |
| GGSN |
Gateway GPRS Support Node |
| GPRS |
General Packet Radio Service |
| GSM |
Global System for Mobile Communication |
| GSM EFR |
GSM Enhanced Full Rate |
| GSM FR |
GSM Full Rate |
| GSN |
GPRS Support Node |
|
|
| HLR |
Home Location Register |
| HHLR |
Hub Home Location Register |
| HPLMN |
Home Public Land Mobile Network |
| HSPA |
High Speed Packet Access |
| HSDPA |
High Speed Downlink Packet Access |
| HSUPA |
High Speed Uplink Packet Access |
| HNB-GW |
Home Node B GateWay |
|
|
| IMEI |
International Mobile Equipment Identity |
| IMSI |
International Mobile Subscriber Identity |
| Iu-CS |
Iu Circuit Switch |
| Iu-PS |
Iu Packet Switch |
| Iuh |
Iu home |
| IVR |
Interactive Voice Response |
|
|
| Kc |
Cipher/Decipher Key |
| Ki |
Subscriber Authentication Key |
|
|
| LAC |
Location Area Code |
| LCR |
Least Cost Route(r) |
| LHLR |
Local Home Location Register |
| LTE |
Long Term Evolution |
|
|
| MAP |
Mobile Application Part |
| MGW |
Media Gateway |
| MMS |
Multi-media Messaging Service |
| MMSC |
Multi-media Messaging Service Centre |
| MNO |
Mobile Network Operator |
| MO |
Mobile Originated |
| MS |
Mobile Station |
| MSC |
Mobile Switching Centre |
| MSISDN |
Mobile Station ISDN Number |
| MT |
Mobile Terminated |
| MTP |
Media Termination Point |
|
|
| NSS |
Network Switching Subsystem |
|
|
| OTA |
Over the Air |
|
|
| PBX/PABX |
Private Branch eXchange |
| PDP |
Packet Data Protocol |
| PLMN |
Public Land Mobile Network |
| PMN |
Private Mobile Networks – Great company |
| PMR |
Private Mobile Radio |
| PMX |
Private Mobile eXchange |
| POE |
Power Over Ethernet |
| PSTN |
Public Switched Telephone Network |
|
|
| QoS |
Quality of Service |
|
|
| RAN |
Radio Access Network |
| RANAP |
Radio Access Network Application Part |
| RB |
Radio Bearer |
| RDU |
Rapid Deployment Unit |
| RLC |
Radio Link Control |
| RNC |
Radio Network Controller |
| RTP |
Real Time Protocol |
|
|
| SG |
Signalling Gateway |
| SGSN |
Serving GPRS Support Node |
| SIGTRAN |
Signalling Transport |
| SIM |
Subscriber Identification Module |
| SIP |
Session Initiation Protocol |
| SMPP |
Short Message Peer-to-Peer Protocol |
| SMS |
Short Message Service |
| SMSC |
Short Message Service Centre |
| SQL |
Structured Query Language |
| SRB |
Signalling Radio Bearer |
| SS7 |
Signalling System No 7 |
| SSS |
SIP Gateway Subsystem |
| STP |
Signalling Transfer Point |
|
|
| T-MAP |
Proprietary May base Protocol – PMX Networking |
|
|
| TDM |
Time Division Multiplex |
| TMSI |
Temporary Mobile Subscriber Identity |
|
|
| UE |
User Equipment |
| UMTS |
Universal Mobile Telecommunications System |
| USIM |
Universal Subscriber Identity Module |
| USSD |
Unstructured Supplementary Service Data |
|
|
| VPN |
Virtual Private Network |
| VSAT |
Very Small Aperture Terminal |
