智能网名词解释

SBC

PGM

SEQ

HSS: Home Subscriber Service

CSCF: Call Session Control Function

PS: Presence Server

IM: Instant Messaging

GM: Group Management

AS: Application Server

PSS

UMTS: Universal Mobile Telecommunications System

RAN: Radio Access Network

CS: Circuit Switched Domain

PS: Packet Switched Domain

MSC: Mobile Switched Center

VLR: Visit Loacation Register

HLR: Home Loacation Register

GPRS: General Packet Radio Service

EIR: Equipment Identify Register

GMSC: Gateway of MSC

CG: Charge Gateway

 

智能网核心思想：业务控制与业务交换相分离