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    • 3. 发明申请
    • 冗余传输协商方法
    • WO2009079810A1
    • 2009-07-02
    • PCT/CN2007/003495
    • 2007-12-07
    • 中兴通讯股份有限公司李响陈翔
    • 李响陈翔
    • H04L29/06
    • H04L65/1043H04L65/103H04L65/608H04L65/80
    • There are methods for negotiating the redundant transmission in the IP bearer setup process and in the IP bearer modification process. The method for negotiating the redundant transmission in the setup process includes that: the IP bearer control module determines whether the active media gateway supports the redundant transmission; the redundant transmission parameter is carried in the bearer setup request tunnel message and is sent to the inactive media gateway of the two media gateways; the inactive gateway resolves the bearer setup request tunnel message, and sends the inactive end bearer setup request to the RTP/IP protocol processing module via the IP bearer control module; the RTP/IP protocol control module sets up the inactive end bearer connection, and the IP bearer control module sends the bearer setup response tunnel message carrying the redundant transmission parameter to the active media gateway; the active media gateway sends the active end bearer setup request to the RTP/IP protocol processing module via the IP bearer control module to set up the active end bearer connection. Thus the bearer connection between the active end media gateway and the inactive media gateway is realized.