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    • 9. 发明公开
    • SESSION ESTABLISHMENT IN A COMMUNICATION NETWORK
    • SITZUNGSHERSTELLUNG在EINEM KOMMUNIKATIONSNETZ
    • EP2351309A1
    • 2011-08-03
    • EP08875153.2
    • 2008-10-03
    • Telefonaktiebolaget L M Ericsson (PUBL)
    • HEIDERMARK, AlfHOLMBERG, ChristerLINDHOLM, FredrikPRZYBYSZ, Hubert
    • H04L29/06
    • H04L65/1016H04L65/1063H04L65/1069H04L67/303H04L69/24
    • A method and apparatus for establishing a communication session in an IMS Centralized Services communication network. A Service Centralization and Continuity Application Server (SCC AS) receives a request from an originating device to establish a session with a target device. The request includes a plurality of codec identifiers that could be used by the originating device. The SCC AS sends a second request to establish the session to the target device. The SCC AS subsequently receives, from an intermediate node between the SCC AS and the target device, an invite message. The invite message includes an indication that a codec identifier has been selected from the plurality of codec identifiers. The SCC AS then sends a message to the intermediate node instructing the intermediate node to establish the session.
    • 一种用于在IMS集中式服务通信网络中建立通信会话的方法和装置。 服务集中和连续性应用服务器(SCC AS)从始发设备接收与目标设备建立会话的请求。 该请求包括可由始发设备使用的多个编解码器标识符。 SCC AS向目标设备发送建立会话的第二个请求。 SCC AS随后从SCC AS和目标设备之间的中间节点接收邀请消息。 邀请消息包括已经从多个编解码器标识符中选择了编解码器标识符的指示。 然后,SCC AS向指示中间节点建立会话的中间节点发送消息。