3 Definitions, symbols and abbreviations
24.5243GPPArchitecture, functional description and signallingHosted enterprise servicesRelease 17TS
3.1 Definitions
For the purposes of the present document, the terms and definitions given in 3GPP TS 22.519 [14], 3GPP TS 24.229 [15] and ETSI TS 183 043 [16] apply:
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
AGCF Access Gateway Control Function
AGF Access Gateway Function
AS Application Server
BGCF Breakout Gateway Control Function
BGF Border Gateway Function
CNGCF Customer Network Gateway Configuration Function
CS Circuit Switched
CSCF Call Session Control Function
HES Hosted Enterprise Services
I-BGF Interconnection-Border Gateway Function
I-CSCF Interrogating-Call Session Control Function
IFC Initial filter Criteria
IMS IP Multimedia Subsystem
IN Intelligent Network
IP Internet Protocol
IPCAN IP Connectivity Access Network
ISC IMS Service Control
ISDN Integrated Services Digital Network
LDAP Lightweight Directory Access Protocol
MGCF Media Gateway Control Function
MGF Media Gateway Function
MRFC Multimedia Resource Function Controller
MRFP Multimedia Resource Function Processor
NASS Network Attachment SubSystem
NGCN Next Generation Corportate Network
NGN Next Generation Network
NGN Next Generation Network
P-CSCF Proxy-Call Session Control Function
PES PSTN/ISDN Emulation Subsystem
PSTN Public Switched Telephony Network
RACS Resource and Admission Control Subsystem
RG Residential Gateway
SCP Service Control Functio
S-CSCF Serving-Call Session Control Function
SGF Signalling Gateway Function
SIP Session Initiation Protocol
SLF Subscription Locator Function
SPDF Service-based Policy Decision Function
T-MGF Trunking-Media Gateway Function
UE User Equipment
UEE User Equipment Emulation
UPSF User Profile Server Function
URI Uniform Resource Identifier
URN Uniform Resource Name
VGW Voice over IP Gateway