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SIP 多方会话消息 之实例讲解

SIP 多方会话消息 之实例讲解. 郑 昀 2005-05 应用开发事业部 神州泰岳 http://www.ultrapower.com.cn. Agenda. SIP INVITE 第一个用户 SIP INVITE 第二个用户 SIP 第三个 INVITE SIP 发送 MESSAGE 消息. SIP – INVITE 第一个用户. 目的： tom 邀请第一个用户 jerry 加入会话

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SIP 多方会话消息 之实例讲解

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  1. SIP多方会话消息之实例讲解 郑 昀 2005-05 应用开发事业部 神州泰岳 http://www.ultrapower.com.cn

  2. Agenda • SIP INVITE第一个用户 • SIP INVITE第二个用户 • SIP 第三个INVITE • SIP 发送MESSAGE消息

  3. SIP – INVITE第一个用户 目的：tom邀请第一个用户jerry加入会话 supported: 列举了UAC或UAS支持的扩展Roster-Manager: “花名册管理员” 管理一个Session的用户登记列表EndPoints: 列出当前会话中所有的接收方的SIP URI INVITE sip:192.168.1.81:2185;transport=tcp;ms-received-cid=200 SIP/2.0 contact: <sip:tom@add.ultrapower.com.cn:3783;maddr=192.168.1.223;transport=tcp;ms-received-cid=700> via: SIP/2.0/TCP 192.168.1.223:9468;ms-received-port=3783;ms-received-cid=700 max-forwards: 70 from: “tom" <sip:tom@add.ultrapower.com.cn>;tag=82c18ee5fbe4429da6d5ec3653563251;epid=b048f84682 to: <sip:jerry@add.ultrapower.com.cn>;epid=e1fb65a8b3 call-id: 4517ca278efd43fa90361c0cc8949624 cseq: 1 INVITE Roster-Manager: sip:tom@add.ultrapower.com.cn EndPoints: “tom" <sip:tom@add.ultrapower.com.cn>, <sip:jerry@add.ultrapower.com.cn> supported: com.microsoft.rtc-multiparty content-type: application/sdp content-length: 133 1 SIP/2.0 100 Tryingcseq: 1 INVITE 2 SIP/2.0 200 OKcontact: <sip:panqi@add.ultrapower.com.cn:2185;maddr=192.168.1.81;transport=tcp;ms-received-cid=200>cseq: 1 INVITEsupported: com.microsoft.rtc-multiparty content-type: application/sdp 3 ACK sip:jerry@add.ultrapower.com.cn:2185;maddr=192.168.1.81;transport=tcp;ms-received-cid=200 SIP/2.0from: "tom" <sip:tom@add.ultrapower.com.cn>;tag=82c18ee5fbe4429da6d5ec3653563251;epid=b048f84682 to: <sip:jerry@add.ultrapower.com.cn>;epid=e1fb65a8b3;tag=0f3997c0c7b24658812a0a565899f6bf cseq: 1 ACK content-length: 0 4

  4. SIP – INVITE第二个用户 目的：tom邀请第二个用户jerry(vikey)加入会话 require: UAC通过Require字段列出的选项标签，告知UAS处理请求时需要支持的选项Roster-Manager: 还是第一个发起会话的用户作为花名册管理员EndPoints: 列出当前会话中三方的SIP URI INVITE sip:192.168.1.80:2641;transport=tcp;ms-received-cid=400 SIP/2.0 contact: <sip:tom@add.ultrapower.com.cn:3783;maddr=192.168.1.223;transport=tcp;ms-received-cid=700>from: "tom" <sip:tom@add.ultrapower.com.cn>;tag=834b5a151baa44e2849acfafa5ebdd3e;epid=b048f84682 to: <sip:vicky@add.ultrapower.com.cn>;epid=0997132b14 call-id: 4517ca278efd43fa90361c0cc8949624cseq: 1 INVITERoster-Manager: sip:tom@add.ultrapower.com.cn EndPoints: "tom" <sip:tom@add.ultrapower.com.cn>, <sip:jerry@add.ultrapower.com.cn>;epid=e1fb65a8b3, <sip:vicky@add.ultrapower.com.cn> require: com.microsoft.rtc-multiparty content-type: application/sdp content-length: 133 1 SIP/2.0 100 Tryingcseq: 1 INVITE 2 SIP/2.0 200 OKcontact: <sip:vicky@add.ultrapower.com.cn:2641;maddr=192.168.1.80;transport=tcp;ms-received-cid=400>cseq: 1 INVITEsupported: com.microsoft.rtc-multiparty content-type: application/sdp 3 ACK sip:vicky@add.ultrapower.com.cn:2641;maddr=192.168.1.80;transport=tcp;ms-received-cid=400 SIP/2.0from: "tom" <sip:tom@add.ultrapower.com.cn>;tag=82c18ee5fbe4429da6d5ec3653563251;epid=b048f84682 to: <sip:vicky@add.ultrapower.com.cn>; epid=0997132b14;tag=6dba5f858604444591dd1d626b5b1a13 cseq: 1 ACK content-length: 0 4

  5. SIP – 第三个INVITE 目的：vicky再邀请jerry加入会话 TriggeredInvite: 表明本次INVITE消息是被触发的，而不是vicky主动发起的 INVITE sip:192.168.1.81:2185;transport=tcp;ms-received-cid=200 SIP/2.0 contact: <sip:vicky@add.ultrapower.com.cn:2641;maddr=192.168.1.80;transport=tcp;ms-received-cid=400> via: SIP/2.0/TCP 192.168.1.80:8426;ms-received-port=2641;ms-received-cid=400 max-forwards: 70 from: <sip:vicky@add.ultrapower.com.cn>;tag=aaa00d60672b403b8a5d799bcd1401bb;epid=0997132b14 to: <sip:jerry@add.ultrapower.com.cn>;epid=e1fb65a8b3 call-id: 4517ca278efd43fa90361c0cc8949624 cseq: 1 INVITE TriggeredInvite: TRUE require: com.microsoft.rtc-multiparty 1 SIP/2.0 100 Tryingcseq: 1 INVITE 2 SIP/2.0 200 OKcontact: <sip:jerry@add.ultrapower.com.cn:2641;maddr=192.168.1.81;transport=tcp;ms-received-cid=200>cseq: 1 INVITEsupported: com.microsoft.rtc-multiparty content-type: application/sdp 3 ACK sip:jerry@add.ultrapower.com.cn:2185;maddr=192.168.1.81;transport=tcp;ms-received-cid=200 SIP/2.0from: "tom" <sip:tom@add.ultrapower.com.cn>;tag=82c18ee5fbe4429da6d5ec3653563251;epid=b048f84682 to: <sip:jerry@add.ultrapower.com.cn>;epid=e1fb65a8b3;tag=0f3997c0c7b24658812a0a565899f6bf cseq: 1 ACK content-length: 0 4

  6. SIP – 发送MESSAGE消息 目的：tom写一个message，实际上先后向vicky和jerry发送消息 MESSAGE sip:vicky@add.ultrapower.com.cn:2641;maddr=192.168.1.80;transport=tcp;ms-received-cid=400 SIP/2.0 contact: <sip:tom@add.ultrapower.com.cn:3783;maddr=192.168.1.223;transport=tcp;ms-received-cid=700>cseq: 3 MESSAGEcontent-type: text/plain; charset=UTF-8; 1 2 SIP/2.0 200 OKcontact: <sip:vicky@add.ultrapower.com.cn:2641;maddr=192.168.1.80;transport=tcp;ms-received-cid=400>cseq: 3 MESSAGE 3 MESSAGE sip:jerry@add.ultrapower.com.cn:2185;maddr=192.168.1.81;transport=tcp;ms-received-cid=200 SIP/2.0 contact: <sip:tom@add.ultrapower.com.cn:3783;maddr=192.168.1.223;transport=tcp;ms-received-cid=700>cseq: 4 MESSAGEcontent-type: text/plain; charset=UTF-8; SIP/2.0 200 OKcontact: <sip:jerry@add.ultrapower.com.cn:2185;maddr=192.168.1.81;transport=tcp;ms-received-cid=200>cseq: 4 MESSAGE 4

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