WareShark的源码，其中对RTP协议都有解释说明，不过好像没有找到如何从UDP中获知他就含有RTP的包，也没有找到对相关语音标准的说明，要是有那些就更完美了！-WareShark the source, which agreements have explained RTP, but does not seem to find how to learn from him in the UDP contains RTP packet, but also did not find the re