ITU-TH.323及CAMEL控制VoIP业务方案

移动通信从第二代(2G)网络向第三代(3G)演进,必须满足用户在2G与3G之间漫游,并保证对现有2G补充业务和智能业务的兼容性。文章介绍在3G移动网络中,基于ITU-TH.323协议的CAMEL控制VoIP业务方案,并详细论述该方案可行的3G核心网络结构及其处理流程。

Whileevolvingfrom2Gmobilenetworkto3G,mobilecommunicationmust provide customersthe capabilityof roaming between2G and3G network and compabilitywith existing2G networksupplementaryservicesand IN services.This paper introducesa CAMEL-controlledVoIP servicesin3G networkbased on ITU-T H.323,discussesthe networkstructureand its processingflows.