SIP注册信令消息示范及解释
注册信令消息示范 J.1.1 REGISTER sip:SIP服务器编码@目的域名或IP地址端口SIP/2.0 Via: SIP/2.0/UDP 源域名或IP地址端口 From: ;tag=185326220 To: Call-ID: ms1214-322164710-681262131542511620107-0@172.18.16.3 CSeq: 1 REGISTER Contact:
