电力IMS接入网演进及综合接入方式

Power IMS access network evolution and integrated method

国家电网公司确定采用IMS技术建设下一代交换网,需要对目前的接入网进行设备更新,IMS接入网的网元是AG、IAD、IP PBX和SIP话机设备,对上述4种设备的特点、组网方式进行了介绍和分析,分别结合公司应用场景,对各场景的接入方式进行了研究和分析,并提出了接入网建设方案。

The State Grid had decided to construct next generation switching network using IMS technology, so the existing access devices and equipments needed to be updated or formed. Four kinds of access equipment unit were introduced, which were access gateway(AG), integrated access device(IAD), IP PBX and SIP phone. According to the functions and usage of above 4 equipments, the method to construct the access network to update the old one was analyzed. Incorporation with application scenes of communication services, the different access methods were researched and the project solutions for SGCC was put forward to build IMS access network.