| 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 |
