平台对接接口详解
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28181平台对接接口详解1信令接口
1.1平台注册
下级平台主动向上级平台注册;
注册鉴权信息(用户名和密码)由上级提供;
举例说明:
下级--->上级
REGISTER sip:6200001@:7100 SIP/
Call-ID: c82dee890ea56d9d332fe4a5dbd2772c@
CSeq: 1 REGISTER
From:
To:
Max-Forwards: 70
Contact:
Expires: 3600
Via: SIP/UDP :5080;branch=z9hG4bK2647061_661_0081
Content-Length: 0
上级--->下级
SIP/ 401 Unauthorized
Via: SIP/UDP :5080;branch=z9hG4bK2647061_661_0081
From:
To:
Call-ID: c82dee890ea56d9d332fe4a5dbd2772c@
CSeq: 1 REGISTER
WWW-Authenticate: Digest realm="1234",
nonce="7104983f5477dd30a65167b28553df65",
opaque="f10efb1af3e8a362bcda73ce", algorithm=MD5
User-Agent: Hikvision
Expires: 3600
Content-Length: 0
下级--->上级
REGISTER sip:6200001@:7100 SIP/
Call-ID: c82dee890ea56d9d332fe4a5dbd2772c@
CSeq: 2 REGISTER
From:
To:
Max-Forwards: 70
Contact:
Via: SIP/UDP :5080;branch=z9hG4bK2647061_661_5136301 Authorization: Digest
username="admin",realm="1234",nonce="7104983f5477dd30a65167b
28553df65",uri="sip:6200001@:7100",response="ceb3a5fb0c6d66d 24a7e77b5",algorithm=MD5,opaque="f10efb1af3e8a362bcda73ce"
Expires: 3600
Content-Length: 0
上级--->下级
SIP/ 200 OK
Via: SIP/UDP :5080;branch=z9hG4bK2647061_661_5136301
From:
To:
Call-ID: c82dee890ea56d9d332fe4a5dbd2772c@
CSeq: 2 REGISTER
Contact:
User-Agent: Hikvision
Date: 2013-07-27T14:45:39
Content-Length: 0
1.2平台心跳保活
下级平台定期向上级平台发心跳消息;
定期时间可配置,上下级配置一致;
上级平台连续三次未收到下级心跳消息,则认为下级平台离线;
下级平台连续三次未收到心跳响应,则认为上级平台离线;
举例说明:
下级--->上级
MESSAGE sip:6200001@:7100 SIP/
Call-ID: 69c20964c5c9a8f0cc6cc5a7381423d5@ CSeq: 1 MESSAGE
From:
To:
Max-Forwards: 70
Content-Type: application/Xml
Via: SIP/UDP :5080;branch=z9hG4bK2850021_661_4200 Content-Length: 138
上级--->下级
SIP/ 200 OK
Via: SIP/UDP :5080;branch=z9hG4bK2850021_661_4200 From:
To: