互连网的语音通信,使用g.729压缩。dll 中用了一个tcp连接，表示双方连通没有，用udp发送语音数据，发送端表明了发送顺序，接收端重排了顺序。-Internet voice communications, the use of g.729 compression. dll using a tcp connection, said the two sides connected No, use udp to send voice data, that the sender sent th