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Method for soft switch call control and soft switch device using the same
Method for soft switch call control and soft switch device using the same
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机译：软交换呼叫控制的方法及使用该方法的软交换设备
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摘要
A method for soft switch call control and a soft switch device therefore are provided. The soft switch device acquires an initial address message (IAM) at a calling side, analyzes information of the calling party and the called party based on the acquired initial address message (IAM), and informs the media gateways to create a context and to add TDM semi-permanent physical terminations of time slots corresponding to the calling party and the called party into the context when the calling party and the called party are controlled by the same media gateway. Thus, it can implement a local loop of TDM voice, reduce IP loop of RTP streams and efficiently reduces network resources such as steps for digital signal processing, echo elimination and etc.
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