SIP常用消息实例参考- 阿蜜果
SIP常用消息实例参考
1、MESSAGE消息
1)头字段填写说明
Call-id:必选
CSeq:必选
From:必选
To:必选
Max-Forwards:必选
Via:必选
常用的可选参数:
指定的消息体
2)消息实例
发送MESSAGE请求消息给192.168.2.48的6010端口,参考消息如下(带了“Hello”的消息体):
MESSAGE sip:1897778888@192.168.2.48:6010 SIP/2.0
Call-ID: 8e12c17121ac4121bf927f6fd8013358@192.168.2.89
From:
To:
CSeq: 1 MESSAGE
Via: SIP/2.0/UDP 192.168.2.89:14010;branch=z9hG4bK--22bd7222
Max-Forwards: 30
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,UPDATE,PRACK,REFER,S UBSCRIBE,NOTIFY,MESSAGE
Contact:
Content-Type: text/plain
Content-Length: 5
Hello
收到来自192.168.2.48的6010端口的返回消息,参考消息如下(修改了消息体的内容,变成了“Hello amigo”):
SIP/2.0200 OK
Via: SIP/2.0/UDP 192.168.2.89:14010;branch=z9hG4bK--22bd7222
From:
To:
Call-ID: 8e12c17121ac4121bf927f6fd8013358@192.168.2.89
CSeq: 1 MESSAGE
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,UPDATE,PRACK,REFER,S UBSCRIBE,NOTIFY,MESSAGE
Contact:
Content-Type: text/plain
Content-Length: 11
Hello amigo
2、REGISTER消息
1)头字段填写说明
Call-id:必选
Cseq:必选
From:必选
To:必选
Max-Forwards:必选
Via:必选
Contact:必选
Authorization:必选
Expires:常用可选头
2)非鉴权注册消息实例
在该实例中192.168.2.161机器发送注册消息给192.168.2.89服务器,发送消息实例如下:REGISTER sip:192.168.2.89 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.161:10586
Max-Forwards: 70
From:
To:
Call-ID: da56b0fab5c54398b16c0d9f9c0ffcf2@192.168.2.161
CSeq: 1 REGISTER
Contact:
User-Agent: RTC/1.2.4949 (BOL SIP Phone 1005)
Event: registration
Allow-Events: presence
Content-Length: 0
当注册成功(回送200 OK)时,服务器发送的res消息参考如下:
SIP/2.0200 OK
Via: SIP/2.0/UDP 192.168.2.161:10586
From:
To:
Call-ID: da56b0fab5c54398b16c0d9f9c0ffcf2@192.168.2.161
CSeq: 1 REGISTER
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,UPDATE,PRACK,REFER,S UBSCRIBE,NOTIFY,MESSAGE
Contact: sip:192.168.2.161:10586
Content-Length: 0
Expires: 3600
3)鉴权注册消息实例
当需要鉴权注册时,当请求端192.168.2.161使用BOL或xlite等发送注册消息给192.168.
2.89服务器时,服务器对192.168.2.161发送“401 Unauthorized”信息给请求端,提示请求段需要带上鉴权信息重新注册,请求端带上鉴权信息后(带有“Authorization”头字段)重新向服务器注册,服务器验证鉴权头的正确性,如果鉴权成功,给请求端发送200 OK消息。若失败,继续发送401消息。
第一步:请求端(192.168.2.161)发送REGISTER消息,参考消息如下:
REGISTER sip:192.168.2.89 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.161:8021
Max-Forwards: 70
From:
To:
Call-ID: c88a247a74b54a8c9e676bdde3bba6c9@192.168.2.161
CSeq: 1 REGISTER
Contact:
User-Agent: RTC/1.2.4949 (BOL SIP Phone 1005)
Event: registration
Allow-Events: presence
Content-Length: 0
第二步:服务器端(192.168.2.89)检查到需要鉴权,给请求端发送401结果码,并带上“W WW-Authenticate”头信息,参考消息如下:
SIP/2.0401 Unauthorized
Via: SIP/2.0/UDP 192.168.2.161:8021
From:
d=de4504430d
To:
Call-ID: c88a247a74b54a8c9e676bdde3bba6c9@192.168.2.161
CSeq: 1 REGISTER
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,UPDATE,PRACK,REFER,S UBSCRIBE,NOTIFY,MESSAGE
Contact:
Content-Length: 0
WWW-Authenticate: Digest realm="192.168.2.89", qop="auth", nonce="e17d377c3d2d9c 343e26576a7fd04738481dfc10", opaque="", stale=FALSE, algorithm=MD5第三步:请求端(192.168.2.161)通过“Authorization”头字段带上鉴权头信息,发送一个新的REGISTER消息,参考消息如下:
REGISTER sip:192.168.2.89 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.161:8021
Max-Forwards: 70
From:
To:
Call-ID: c88a247a74b54a8c9e676bdde3bba6c9@192.168.2.161
CSeq: 2 REGISTER
Contact:
User-Agent: RTC/1.2.4949 (BOL SIP Phone 1005)
Authorization: Digest username="010********", realm="192.168.2.89", qop=auth, algo rithm=MD5, uri="sip:192.168.2.89", nonce="e17d377c3d2d9c343e26576a7fd04738481dfc1 0", nc=00000001, cnonce="12660455546344082314666316435946", response="f57e 47ce03162293b9ced07362ce2b79"
Event: registration
Allow-Events: presence
Content-Length: 0
第四步:服务器端(192.168.2.89)验证鉴权信息的合法性,若验证成功,发送200 OK消息,参考消息如下:
SIP/2.0200 OK
Via: SIP/2.0/UDP 192.168.2.161:8021
From:
To:
Call-ID: c88a247a74b54a8c9e676bdde3bba6c9@192.168.2.161
CSeq: 2 REGISTER
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,UPDATE,PRACK,REFER,S UBSCRIBE,NOTIFY,MESSAGE
Contact: sip:192.168.2.161:8021
Content-Length: 0
Expires: 3600
3、SUBSCRIBE消息
1)头字段填写说明
Call-id:必选
CSeq:必选
From:必选
To:必选
Max-Forwards:必选
Via:必选
Expires:常用可选头
2)消息实例
请求端(192.168.2.161)给服务器端(192.168.2.89)发送SUBSCRIBE消息,参考消息如下:
SUBSCRIBE sip:010********@192.168.2.89:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.161:32092;branch=z9hG4bK-d87543-ec03ee3e022acf28-1--d87543-;rport
Max-Forwards: 70
Contact:
To: "010********"
From: "010********"
Call-ID: NDQzMGE1MDMzYWU0NjRiYzMxMGY3NGUxMjBhMjBkNTQ.
CSeq: 1 SUBSCRIBE
Expires: 300
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIB E, INFO
User-Agent: eyeBeam release 1011d stamp 40820
Event: message-summary
Content-Length: 0
服务器端(192.168.2.89)发送回执的200 OK信息,参考消息如下:
SIP/2.0200 OK
Via: SIP/2.0/UDP 192.168.2.161:32092;branch=z9hG4bK-d87543-ec03ee3e022acf28-1--d87543-;rport
From: "010********"
To: "010********"
Call-ID: NDQzMGE1MDMzYWU0NjRiYzMxMGY3NGUxMjBhMjBkNTQ.
CSeq: 1 SUBSCRIBE
Content-Length: 0
4、INVITE消息
1)头字段填写说明
必选头域如下:
Call-id
Contact
CSeq
From
To
Max-Forwards
Via
Supported
Allow
常用可选头域:
Accept
Authorization
Content-length
Content-type
Record-Route
Route
Require
Proxy-Authorization
Proxy-require
P-asserted-identity
P-prefered-identity
Privacy
2)非鉴权INVITE消息实例
在这个实例中,笔者在本机(192.168.2.161)上使用BOL注册了178********号码,呼叫010********号码时发送INVITE消息给服务器(192.168.2.89)的软交换,发送INVITE 消息参考如下:
INVITE sip:010********@192.168.2.89 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.161:9545
Max-Forwards: 70
From: "Administrator"
To:
Call-ID: 31e72e80d5b04f52aba6cb8be8f3c0c0@192.168.2.161
CSeq: 1 INVITE
Contact:
User-Agent: RTC/1.2
Content-Type: application/sdp
Content-Length: 691
v=0
o=-00IN IP4 192.168.2.161
s=session
c=IN IP4 192.168.2.161
b=CT:1000
t=00
m=audio 56284 RTP/AVP 97111112608453101
k=base64:fGmazgf5GXZfJxZ27G9A7rxA4B7KX0pHrjYELKphPog
a=rtpmap:97 red/8000
a=rtpmap:111 SIREN/16000
a=fmtp:111 bitrate=16000
a=rtpmap:112 G7221/16000
a=fmtp:112 bitrate=24000
a=rtpmap:6 DVI4/16000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:4 G723/8000
a=rtpmap:5 DVI4/8000
a=rtpmap:3 GSM/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:1010-16
a=encryption:optional
m=video 61432 RTP/AVP 3431
k=base64:W5uTU8sIQjJVPWyRF31GZouVwAHFtE1cAmblK+mvDdI
a=recvonly
a=rtpmap:34 H263/90000
a=rtpmap:31 H261/90000
a=encryption:optional
其中m行表示支持的媒体编码,其中“m=audio 56284 RTP/AVP 97 111 112 6 0 8 4 5 3 101”指明了几种支持的音频媒体类型,“m=video 61432 RTP/AVP 34 31”指明了几种支持的视频媒体类型。软交换服务器(192.168.2.89)接收到INVITE消息后,即刻发送了100 tryi ng消息,如下所示:
SIP/2.0100 Trying
Via: SIP/2.0/UDP 192.168.2.161:9545
From: "Administrator"
To:
Call-ID: 31e72e80d5b04f52aba6cb8be8f3c0c0@192.168.2.161
CSeq: 1 INVITE
Content-Length: 0
软交换服务器(192.168.2.89)查找被叫号码消息,并发送INVITE消息给被叫的地址,接收到被叫的100 trying消息,而后接收到180 Ringing消息,软交换服务器给主叫方也发送18
0 Ringing消息,告知被叫已振铃,发送消息如下:(第一行可不关注,是笔者公司的底层打出的消息):
[16:15:59]===SIPTransaction Send SIP message (455 bytes) to192.168.2.161:9545
SIP/2.0180 Ringing
Via: SIP/2.0/UDP 192.168.2.161:9545
From: "Administrator"
To:
Call-ID: 31e72e80d5b04f52aba6cb8be8f3c0c0@192.168.2.161
CSeq: 1 INVITE
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,UPDATE,PRACK,REFER,S UBSCRIBE,NOTIFY,MESSAGE
Contact:
Content-Length: 0
软交换服务器(192.168.2.89)接收到被叫的INVITE消息的200 OK消息,给主叫方也发送200 OK消息,消息参考如下:
SIP/2.0200 OK
Via: SIP/2.0/UDP 192.168.2.89:14010;branch=z9hG4bK--50c44f35
From:
To:
Call-ID: fdfa416f8779a8701af1086b07879a65@192.168.2.89
CSeq: 1 INVITE
Contact:
Content-Type: application/sdp
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,UPDATE,PRACK,REFER,SUBSCRIBE,NOTIF Y,MESSAGE
Content-Length: 118
v=0
o=-11IN IP4 192.168.2.161
s=-
t=00
m=audio 19194 RTP/AVP 8
c=IN IP4 192.168.2.161
a=rtpmap:8 PCMA/8000
3)签权INVITE消息实例
5、ACK消息
1)头字段填写说明
必选头域如下:
Call-id
Cseq
From
To
Max-Forwords
Via
常用可选头域:
Content-Length
Content-Type
Route
2)消息实例
在“4、INVITE消息”中讲到了主叫方接收到INVITE消息的200 消息后,接着给主叫方发送ACK消息,消息参考如下:
ACK sip:192.168.2.89:14010 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.161:9545
Max-Forwards: 70
From: "Administrator"
To:
Call-ID: 31e72e80d5b04f52aba6cb8be8f3c0c0@192.168.2.161
CSeq: 1 ACK
User-Agent: RTC/1.2
Content-Length: 0
6、BYE消息
1)头字段填写说明
必选头域如下:
Call-id
Cseq
From
To
Max-Forwards
Via
常用可选头域:
Content-Length
Content-Type
Route
Reason
2)消息实例
本实例笔者在本机(192.168.2.161)上注册了178********号码,呼叫010********号码时发送INVITE消息给服务器(192.168.2.89)的软交换,并与呼叫的号码建立通话后,主叫方主动挂断时,BYE消息如下所示:
BYE sip:192.168.2.89:14010 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.161:9545
Max-Forwards: 70
From: "Administrator"
To:
Call-ID: 31e72e80d5b04f52aba6cb8be8f3c0c0@192.168.2.161
CSeq: 2 BYE
User-Agent: RTC/1.2
Content-Length: 0
服务器发送200 OK消息,参考实例如下:
SIP/2.0200 OK
Via: SIP/2.0/UDP 192.168.2.161:9545
From: "Administrator"
To:
Call-ID: 31e72e80d5b04f52aba6cb8be8f3c0c0@192.168.2.161
CSeq: 2 BYE
Content-Length: 0
7、PRACK消息
1)头字段填写说明
必选头域如下:
Call-id
Cseq
From
To
Max-Forwards
Via
RAck
常用可选头域:
Content-Type
Content-Length
2)消息实例
如下是PRACK消息的参考实例:
PRACK sip:192.168.2.154:5060 SIP/2.0
CSeq: 2 PRACK
Call-ID: 0112114b0ca1d73c3fbdc7036e4672c8@https://www.doczj.com/doc/7a15900145.html,
Contact:
Content-Length: 0
From:
To:
User-Agent: Huawei-MC820/1.0.0
Supported: 100rel
RAck: 11 INVITE
8、INFO消息
1)头字段填写说明
必选头域如下:
Call-id
Cseq
From
To
Max-Forwards
Via
常用可选头域:
Content-Type
Content-Length
Route
2)消息实例
在笔者开发过程中,媒体服务器与软交换服务器之间的使用的是INFO消息交互,如下消息为软交换服务器向媒体服务器发送的INFO消息(请求开始录音),参考如下:
INFO sip:192.168.2.89:14010 SIP/2.0
Call-ID: 52f3d02182b72d37c48cea5dd013a401@192.168.2.89
From:
To:
CSeq: 1 INFO
Via: SIP/2.0/UDP 192.168.2.89:5090;branch=z9hG4bKf06b482d
Max-Forwards: 30
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,UPDATE,PRACK,REFER,S UBSCRIBE,NOTIFY,MESSAGE
Contact:
Content-Type: application/msml+xml
Content-Length: 164
如下是媒体服务器回送的200 OK消息,消息参考如下:
SIP/2.0200 OK
Via: SIP/2.0/UDP 192.168.2.89:5090;branch=z9hG4bKf06b482d
From:
To:
Call-ID: 52f3d02182b72d37c48cea5dd013a401@192.168.2.89
CSeq: 1 INFO
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,UPDATE,PRACK,REFER,S UBSCRIBE,NOTIFY,MESSAGE
Contact:
Content-Length: 0
9、OPTIONS消息
1)头字段填写说明
必选头域如下:
Call-id
Cseq
From
To
Max-Forwords
Via
常用可选头域:
Accept
Allow
Supported
2)消息实例
参考实例如下所示:
OPTIONS sip:user@https://www.doczj.com/doc/7a15900145.html, SIP/2.0
Via: SIP/2.0/UDP https://www.doczj.com/doc/7a15900145.html,; branch=z0hG4bK1834
Max-Forwards: 70
To:
From: J.C. Maxwell
Call-ID: 9352812@https://www.doczj.com/doc/7a15900145.html,
CSeq: 1 OPTIONS
Content-Length: 0
10、NOTIFY消息
参考消息实例如下所示:
NOTIFY sip:tyoung@https://www.doczj.com/doc/7a15900145.html, SIP/2.0
Via SIP/2.0/UDP https://www.doczj.com/doc/7a15900145.html,:5060; branch=z9hG4bK3841323 Max-Forwards: 70
To: Thomas Young
From:
Call-ID: 452k59252058dkfj34924lk34
CSeq: 3 NOTIFY
Contact:
Event: dialog
Subscription-State: active
Allow-Event: dialog
Content-Type: application/xml + dialog
Content-Length: 消息体长度
(xml格式的消息体)
11、REFER消息
参考消息实例如下所示:
REFER sip:m.rejewski@biuroszyfrow.pl SIP/2.0"
Via SIP/2.0/UDP https://www.doczj.com/doc/7a15900145.html,:5060; branch=z9hG4bK932039 Max-Forwards: 69
To:
From: Alan Turing
CSeq; 5412 REFER
Refer-To:
Content-Length: 0