金鹏GB28181平台对接

必须要素：

1.      必须包含subject头域

2.      SDP中session name必须填写Play

3.      SDP中不能携带audio

4.      SDP中的video必须携带PS属性

5.   SDP中的o行64010000041110000044 0 0 IN IP4 172.24.18.44格式

     64010000041110000044为创建者

     172.24.18.44 为IP地址

           其他格式固定

 

以上5要素缺一不可。

示例：

1.      正确流程

INVITEsip:32010000001310000005@192.168.0.12 SIP/2.0

Via: SIP/2.0/UDP192.168.0.192:7080;branch=1b308c1a

From:<sip:32010000002000000001@192.168.0.192>;tag=7ef05cbf

Contact:<sip:32010000002000000001@192.168.0.192:7080>

To:<sip:32010000001310000005@192.168.0.12>

Call-ID:1486545139111b93f90b9d7cf927ad3cb4@c000a8c0

CSeq: 697 INVITE

Max-Forwards: 70

Supported: timer

Session-Expires: 90

Subject:32010000001310000005:0,32010000002000000001:0

Content-Type: application/sdp

Content-Length: 305

 

v=0

o=32010000002000000001 0 0 IN IP4192.168.0.192

s=Play

c=IN IP4 192.168.0.192

t=0 0

m=video 21390 RTP/AVP 126 34 99 96

a=rtpmap:126 H264/90000

a=fmtp:126 profile-level-id=42e01e

a=rtpmap:34 H263/90000

a=rtpmap:99 MP4V-ES/90000

a=fmtp:99 profile-level-id=3

a=rtpmap:96 PS/90000

a=recvonly

 

2.      不正确流程

P1->IPC

INVITEsip:43070303031310001001@59.231.66.26 SIP/2.0

Via: SIP/2.0/UDP59.231.66.99:7080;branch=06894d3e

From:<sip:43072221672000011111@59.231.66.99>;tag=1f268864

Contact:<sip:43072221672000011111@59.231.66.99:7080>

To:<sip:43070303031310001001@59.231.66.26>

Call-ID:149430803425958f827824ac207a7ca204@010e200a

CSeq: 1561 INVITE

Max-Forwards: 70

Supported: timer

Session-Expires: 90

Subject:43070303031310001001:0,43072221672000011111:0

Content-Type: application/sdp

Content-Length: 344

 

v=0

o=root 109661502 109661502 IN IP459.231.66.99

s=Play

c=IN IP4 59.231.66.99

t=0 0

m=video 15102 RTP/AVP 126 125 34 99

a=rtpmap:126 H264/90000

a=fmtp:126 profile-level-id=42e01e

a=rtpmap:125 H264S/90000

a=fmtp:125 profile-level-id=42e01e

a=rtpmap:34 H263/90000

a=rtpmap:99 MP4V-ES/90000

a=fmtp:99 profile-level-id=3

a=recvonly