| A-SGW | Access Signalling Gateway | |
| AAA | AAA Server | show |
| AAAP | AAA Proxy | show |
| AS | Application Server | show |
| ASN | Access Service Network | show |
| BG | Border Gateway | show |
| BGCF | Breakout Gateway Control Function | show |
| BRAS | Broadband Remote Access Server | |
| BS | Base Station | show |
| BSC | Base Station Controller | show |
| BSS | Base Station Sub-System | show |
| BTS | Base Transeiver Station | show |
| CBC | Cell Broadcast Center | show |
| CG | Charging Gateway | |
| CGF | Charging Gateway Functionality | show |
| CSN | Connectivity Service Network | show |
| EIR | Equipment Identity Register | show |
| eNB | Evolved Node-B | show |
| eNodeB | enhanced Node B | show |
| ePDG | Evolved Packet Data Gateway | |
| EPG | Evolved Packet Gateway | |
| GGSN | Gateway GPRS Support Node | show |
| GLR | Gateway Location Register | |
| GMSC | Gateway Mobile Switching Controller | show |
| GMSS | Gateway Mobile Switching System | show |
| gprsSSF | GPRS Service Switching Function | show |
| GRX | GPRS Roaming Exchange | show |
| gsmSCF | GSM Service Control Function | show |
| gsmSRF | GSM Specialised Resource Function | show |
| gsmSSF | GSM Service Switching Function | show |
| GW | Gateway | |
| HLR | Home Location Register | show |
| HMS | Home NodeB Management System | |
| HNB | 3G Home NodeB | show |
| HNB-GW | 3G Home NodeB (HNB) Gateway | show |
| HSS | Home Subscriber Server | show |
| I-CSCF | Interrogating Call Session Control Function | show |
| IM-GSN | Intermediate GPRS Serving Node | |
| IM-MSC | Intermediate Mobile-services Switching Centre | |
| IM-SSF | IP Multimedia Service Switching Function | show |
| IMS-MGW | IP Multimedia Subsystem - Media Gateway Function | show |
| MGCF | Media Gateway Control Function | show |
| MGW | Media Gateway | show |
| MME | Mobility Management Entity | show |
| MMSC | Multimedia Message Service Center | show |
| MMSDB | MMS User Database | show |
| MMW | Mobility Management Entity | show |
| MRFC | Multimedia Resource Function Controller | show |
| MRFP | Multimedia Resource Function Processor | show |
| MS | Mobile Station | show |
| MSC | Mobile Switching Center | show |
| MSS | Mobile Switching Center (MSC) System | show |
| NodeB | NodeB | show |
| OCS | Online Charging System | show |
| OFCS | Offline charging system | |
| OPDN | Operator's Packet Data Network' | show |
| OSA | Open Service Access | show |
| P-CSCF | Proxy Call Session Control Function | show |
| P-GW | PDN Gateway | show |
| PA | Proxy Agent | |
| PCEF | Policy and Charging Enforcement Function | |
| PCN | Packet switched Core network Node (SGSN, S-GW, P-GW) | |
| PCRF | Policy and Charging Rule Function | show |
| PCSCF | ProxyCSCF | |
| Policy Decision Function | show | |
| PDG | Packet Data Gateway | show |
| PDN | Packet Data Network | show |
| PDSN | Packet Data Serving Node | |
| PGW | PDN Gateway | |
| PMIP | Proxy Mobile IP | |
| PMIPv6 | Proxy Mobile IP version 6 | |
| RCP | Routing Core Platform | |
| RGW | Residential GateWay | |
| RNC | Radio Network Controller | show |
| RNS | Radio Network Sub-System | show |
| S-CSCF | Serving Call Session Control Function | show |
| S-GW | Serving Gateway | show |
| SACF | Single Association Control Function | |
| SAS | Stand-Alone SMLC | show |
| SCSCF | ServingCSCF (Call Server Control Function) | |
| SDM | Subscriber Data Management | |
| SeGW | Security GateWay | |
| SGSN | Serving GPRS Support Node | show |
| SGW | Serving Gateway | |
| SGW | Signalling Gateway | |
| SIWF | Shared InterWorking Function | |
| SLF | Subscription Locator Function | show |
| SM-SC | Short Message - Service Center | show |
| SMS-IW | Short Message Service Interworking | show |
| SMSC | Short Message Service Centre | |
| smsSSF | Short Message Service Service Switching Function | |
| SMUX | Sub-Rate Multiplexer | show |
| TC | Transcoder | show |
| UE | User Equipment | show |
| VASP | Value Added Service Provider | show |
| VLR | Visitor Location Register | |
| WACC | WLAN Access Network | show |
| WAG | WLAN Access Gateway | show |
| WAPGW | WAP (Wireless Access Protocol) Gateway | show |
| XDMS | XML Document Management Server |
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