实现网络在线语音对话.支持GSM编码,ADPCM编码,LPC编码,LPC-10编码 支持RTP,vat协议,并有广播发送,按组进行多点传送,文字交谈等功能-voice network online dialogue. GSM code, ADPCM encoding, LPC coding, LPC-10 encoding support RTP, vat agreement, and this is the broadcasting, according to multicast group,