Paperback. Pub Date: 2016-06-01 Pages: 100 Language: Chinese Publisher: People Post Press book by the fixed telephone network. mobile core network. IMS core network. signaling network. intelligent network. synchronization network of six parts. in recent years. focusing on new technology and other fields of expertise introduced in the core network. as well as to ensure the integrity. covering core network architecture and so on. The first part of the fixed telephone network. introduces the hierarchical structure of the PSTN. fixed intelligent. soft-switching technology. as well as the PSTN evolution to IMS. The second part is the mobile core network. core network introduces 2G3G4G. PCC system architecture. interfaces and protocols. network organization and key technologies. The third part of the IMS core network. IMS introduces technical characteristics. architecture. network...

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