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: ;tag=5923_661_2647061

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: ;tag=5923_661_2647061

To: ;tag=9

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: ;tag=5923_661_2647061

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: ;tag=5923_661_2647061

To: ;tag=9

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: ;tag=0673_661_2850021

To:

Max-Forwards: 70

Content-Type: application/Xml

Via: SIP/UDP :5080;branch=z9hG4bK2850021_661_4200 Content-Length: 138

Keepalive

43

6200001

OK

上级--->下级

SIP/ 200 OK

Via: SIP/UDP :5080;branch=z9hG4bK2850021_661_4200 From: ;tag=0673_661_2850021

To: ;tag=22

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