| AC |
Access Controller |
| ACL |
Access Control List |
| AMR |
Adaptive Multi-Rate (an audio data compression scheme optimized for speech coding) |
| ANAT |
Access Network Address Translation |
| AP |
Access Point |
| ARPU |
Average Revenue Per User |
| AuC |
Authentication Centre |
| BCCH |
Broadcast Control Channel |
| BHCA |
Busy Hour Call Attempts |
| BHLU |
Busy Hour Location Updates |
| BMC |
Broadcast & Multicast Control |
| BSC |
Base Station Controller |
| BSS |
Base Station Subsystem |
| BSSMAP |
Base Station System Management Application Part |
| BTS |
Base Transceiver Station |
| CPE |
Customer Premice Equipment |
| CPICH |
Common Pilot Channel |
| CS1 |
Control Signal 1 |
| DAS |
Distributed Antenna System |
| DECT |
Digital Enhanced Cordless Telecommunications |
| DPC |
Dynamic Power Control |
| EDGE |
Enhanced Data rates for GSM Evolution |
| E-GPRS |
Enhanced GPRS |
| EIR |
Equipment Identity Register |
| Erl |
Erlang (a measure of voice telephony usage) |
| FMC |
Fixed Mobile Convergence (normally implying dual-mode cellular / WiFi handsets) |
| GGSN |
Gateway GPRS Support Node |
| GMSK |
Gaussian Minimum Shift Keying |
| GNAT |
GPRS Network Address Translation |
| GoS |
Grade of Service |
| GPRS |
General Packet Radio Service |
| GSM |
Global System for Mobile communications |
| HLR |
Home Location Register |
| HSPA |
High-Speed Packet Access |
| HSDPA |
High-Speed Downlink Packet Access |
| HSUPA |
High-Speed Uplink Packet Access |
| IMS |
IP Multimedia Subsystem |
| IMSI |
International Mobile Subscriber Identity |
| IOT |
Interoperability Testing |
| IP |
Internet Protocol |
| IPTV |
Internet Protocol Television |
| ISP |
Internet Service Provider |
| KPI |
Key Performance Indicators |
| LAC |
Location Area Code |
| LBS |
Location Based Services |
| M2UA |
A protocol for transporting SS7 MTP2-User signaling |
| MAC address |
Medium Access Control address (a quasi-unique identifier attached to most network adapters) |
| MCC |
Mobile Country Code |
| MCS1-9 |
Multiplexer Control Signals - GPRS channel coding schemes |
| MD5 |
Message Digest 5 |
| MMS |
Multimedia Messaging Service |
| MNC |
Mobile Network Code |
| MSC |
Mobile Switching Centre |
| MTP3 |
Message Transfer Part 3 |
| MTSO |
Mobile Telephone Switching Office |
| NBAP |
Node-B Application Part |
| NOC |
Network Operations Center |
| NSEI |
Network Service Entity Identifier |
| NTP |
Network Time Protocol |
| OAM |
Operations & Maintenance |
| OEM |
Original Equipment Manufacturer |
| OMC-R |
Operations Management Centre - Radio |
| OML |
Operations & Maintenance Link |
| PBX |
Private Branch eXchange |
| PCB |
Printed Circuit Board |
| P-CSCF |
Proxy Call Session Control Function (part of IMS network) |
| PDCH |
Packet Data Channel |
| PDCP |
Packet Data Convergence Protocol |
| PMA |
Provisioning & Management Automation |
| PoC |
Push-to-talk over Cellular (an IMS service) |
| PoE |
Power over Ethernet |
| PPPoA |
Point-to-Point Protocol over ATM |
| PPPoE |
Point-to-Point Protocol over Ethernet |
| PS |
Packet Switched |
| PSK |
Phase-Shift Keying |
| PSTN |
Public Switched Telephone Network |
| QoS |
Quality of Service |
| RACH |
Random Access Channel |
| RAN |
Radio Access Network |
| RF |
Radio Frequency |
| RLC |
Radio Link Control |
| RNC |
Radio Network Controller |
| RRC |
Radio Resource Control |
| RSCP |
Received Signal Code Power |
| RSL |
Radio Signalling Link |
| RTP |
Real-Time (Transport) Protocol |
| RTCP |
RTP Control Protocol |
| Rx |
Reception / receiver |
| Rxlev |
Receive signal level |
| SCCP |
Signaling Connection and Control Part |
| S-CSCF |
Serving Call Session Control Function |
| SCTP |
Stream Control Transmission Protocol |
| SDCCH |
Standalone Dedicated Control Channel |
| SDSL |
Symmetric Digital Subscriber Line |
| SGSN |
Serving GPRS Support Node |
| SHA1 |
Secure Hash Algorithm Version 1.0 |
| SIG |
Secure Internet Gateway |
| SIP |
Session Initiation Protocol |
| SMS |
Short Message Service |
| SR |
System Release |
| SRTP |
Secure RTP |
| SSL |
Secure Sockets Layer |
| TIB |
Timing Interface Bus |
| TRAU |
Transcoder and Rate Adaptation Unit |
| TRX |
Transceiver |
| Tx |
Transmission / transmitter |
| UARFCN |
UTRA Absolute Radio Frequency Channel Number |
| UDP |
User Datagram Protocol |
| UE |
User Equipment (normally a mobile phone) |
| UMTS |
Universal Mobile Telecommunications System |
| UTRAN |
UMTS Terrestrial Radio Access Network |
| VLR |
Visitor Location Register |
| VoD |
Video on Demand |
| VoIP |
Voice over Internet Protocol |
| VPN |
Virtual Private Network |
| WAP |
Wireless Application Protocol |
| W-CDMA |
Wideband Code Division Multiple Access |
| WiMAX |
Worldwide Interoperability for Microwave Access |
