文件名称:SIPProcotal
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来自voip的群共享，是sip的协议简单说明，会对sip理解有帮助
-Voip share from the group is to sip a brief descr iption of the agreement will help to understand that there can sip
-Voip share from the group is to sip a brief descr iption of the agreement will help to understand that there can sip
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下载文件列表
中国电信SIP规范.pdf