哈尔滨手机网站制作,铜陵网站建设价格,铁岭 开原网站建设,电子商务与网络营销教案SIP协议 SIP协议主要包括 SIP头 SIP内容 和附加内容三个部分 项目格式备注示例SIP头一行#xff0c;以\r\n结尾REGISTER sip:172.30.2.35 SIP/2.0\r\nSIP内容很多行#xff0c;每行为Key#xff0c;Value的形式CSeq: 1 REGISTER\r\n附加内容很多行1 SIP头 项目格式含义示例I…SIP协议 SIP协议主要包括 SIP头 SIP内容 和附加内容三个部分 项目格式备注示例SIP头一行以\r\n结尾REGISTER sip:172.30.2.35 SIP/2.0\r\nSIP内容很多行每行为KeyValue的形式CSeq: 1 REGISTER\r\n附加内容很多行1 SIP头 项目格式含义示例INVITEINVITE sip:miyanhui_t1172.30.11.79:11870;transporttcp SIP/2.0REGISTERREGISTER sip:172.30.2.35 SIP/2.0\r\nACKACK sip:miyanhui_t1172.30.11.79:11870;transporttcp SIP/2.0BYEBYE sip:miyanhui_t1172.30.11.79:11870;transporttcp SIP/2.0OPTIONSPRACKUPDATEREFERMESSAGE2 SIP内容 项目格式含义示例ViaVia: SIP/2.0/TCP 172.30.2.35:5060;branchz9hG4bKe0203a229263-30-2ea3ea\r\nTosip:miyanhui_t1172.30.2.35;tagAFCAF511D8F\r\nFromsip:miyanhui_t3172.30.2.35;tag869388A8114\r\nCall-ID76ea44b5eb44080AE90--4080AE90-1-44b5eb4--4080AE90172.30.11.89\r\nCSeq4 INVITE\r\nContactsip:miyanhui_t1172.30.11.79:11870;transporttcp\r\nRecord-Routesip:172.30.2.35:5060;transporttcp;ftag869388A8114;lr\r\nUser-AgentUser-Agent: Vixtel APMVista Agent\r\nContent-Length指明SIP附加数据的长度0\r\n3 SIP附加数据 SIP/2.0 100 Trying
Via: SIP/2.0/TCP 172.30.11.76:6726;branchz9hG4bK.B6X6CR18X;rport6726
From: sip:miyanhui_t2172.30.2.35;tagYVwiGtgHV
To: sip:miyanhui_t1172.30.2.35
Call-ID: 1YYJ-rBnlJ
CSeq: 20 INVITE
Server: Brekeke SIP Server rev.477 Evaluation
Content-Length: 0
