重定向期间,客户端481拒绝Opensips是

重定向期间,客户端481拒绝Opensips是,sip,sip-server,opensips,Sip,Sip Server,Opensips,服务器是Opensips服务器1.10.0-tls(linux)。它可以处理与本地电台之间的对话,最近它已经更新,允许来自外部系统的电台。如果站点在本地不存在($tu未被触及),它可以通过更改$ru中的用户名、ip和端口来实现这一点。这适用于邀请、呼叫和所有类似消息 我遇到的问题是,来自外部服务器的“是”被传递到本地客户端站,被481拒绝(呼叫段/事务不存在),我可以确认它来自客户端软件,但它接受来自同一服务器上本地站的“是”。从本地到本地端的呼叫正常,从本地到外部的呼叫全部关闭正常,只是从外部

服务器是Opensips服务器1.10.0-tls(linux)。它可以处理与本地电台之间的对话,最近它已经更新,允许来自外部系统的电台。如果站点在本地不存在($tu未被触及),它可以通过更改$ru中的用户名、ip和端口来实现这一点。这适用于邀请、呼叫和所有类似消息

我遇到的问题是,来自外部服务器的“是”被传递到本地客户端站,被481拒绝(呼叫段/事务不存在),我可以确认它来自客户端软件,但它接受来自同一服务器上本地站的“是”。从本地到本地端的呼叫正常,从本地到外部的呼叫全部关闭正常,只是从外部呼叫方到本地被呼叫方的呼叫不会关闭(被呼叫方说的是481)

我理解这是由于“收件人/发件人”和“呼叫id”中的标记不同而导致交易匹配未发生所致;我知道更改$ru部分内容的某些内容(比如我的$ru脚本)可能会对确定事务的哈希产生影响,但我不会更改标记或callid,只更改$ru名称以使其进入正确的IP和站点名称

我的问题是如何在不更改客户端应用程序的情况下在服务器上解决这个问题?下面我列举了一些从客户端工作站上的wireshark捕获中发送的消息示例,因此我不确定自己做错了什么。我在服务器上尝试了不同的方法,但没有成功。是否有一种方法可以标记或通过sip消息告诉客户端关闭对话,而不管事务是否匹配

我将非常感谢在这方面的任何帮助,因为我已经为这件事烦恼了一段时间

外部调用方(服务器5.44上的103)到本地被调用方(本地名称为wks2,外部引用名称为155,服务器3.3上的客户端为3.0)的消息示例。第一个再见是问题,第二个再见是我关闭客户端上的挂起连接

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INVITE sip:895eedf7-4256-44d0-9edf-39785b6ceef0@172.16.3.0:5050 SIP/2.0  
    Record-Route: <sip:172.16.3.3;lr;ftag=as678f227c>  
    Via: SIP/2.0/UDP 172.16.3.3:5060;branch=z9hG4bKd066.93df6e05.0  
    Via: SIP/2.0/UDP 172.16.5.44:5060;received=172.16.5.44;branch=z9hG4bK50029c58;rport=5060  
    Max-Forwards: 69  
    From: "Station 103   " <sip:103@172.16.5.44>;tag=as678f227c  
    To: <sip:155@172.16.3.3:5060>  
    Contact: <sip:103@172.16.5.44:5060>  
    Call-ID: 2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
    CSeq: 102 INVITE  
    User-Agent: Asterisk PBX 1.8.13.1~dfsg1-3+deb7u3  
    Date: Thu, 25 Jun 2015 14:27:31 GMT  
    Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH  
    Supported: replaces, timer  
    Content-Type: application/sdp  
    Content-Length: 296  
    Redirect-to: sip:wks2@172.16.3.3:5060  
----------
SIP/2.0 180 Ringing  
    Via: SIP/2.0/UDP 172.16.3.3:5060;branch=z9hG4bKd066.93df6e05.0;received=172.16.3.3;rport=5060  
    Via: SIP/2.0/UDP 172.16.5.44:5060;received=172.16.5.44;branch=z9hG4bK50029c58;rport=5060  
    To: <sip:155@172.16.3.3:5060>;tag=1262186908  
    From: "Station 103   " <sip:103@172.16.5.44>;tag=as678f227c  
    Call-ID: 2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
    CSeq: 102 INVITE  
    Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER, REGISTER, SUBSCRIBE  
    Content-Length: 0  
----------
SIP/2.0 200 Ok  
    Via: SIP/2.0/UDP 172.16.3.3:5060;branch=z9hG4bKd066.93df6e05.0;received=172.16.3.3;rport=5060  
    Via: SIP/2.0/UDP 172.16.5.44:5060;received=172.16.5.44;branch=z9hG4bK50029c58;rport=5060  
    To: <sip:155@172.16.3.3:5060>;tag=1262186908  
    From: "Station 103   " <sip:103@172.16.5.44>;tag=as678f227c  
    Call-ID: 2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
    CSeq: 102 INVITE  
    Contact: <sip:172.16.3.0:5050>  
    Record-Route: <sip:172.16.3.3;lr;ftag=as678f227c>  
    Server: www.sipsorcery.com  
    Content-Length: 161  
    Content-Type: application/sdp  
----------
ACK sip:172.16.3.0:5050 SIP/2.0  
    Via: SIP/2.0/UDP 172.16.3.3:5060;branch=z9hG4bKd066.93df6e05.2  
    Via: SIP/2.0/UDP 172.16.5.44:5060;received=172.16.5.44;branch=z9hG4bK49d179f0;rport=5060  
    Max-Forwards: 69  
    From: "Station 103   " <sip:103@172.16.5.44>;tag=as678f227c  
    To: <sip:155@172.16.3.3:5060>;tag=1262186908  
    Contact: <sip:103@172.16.5.44:5060>  
    Call-ID: 2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
    CSeq: 102 ACK  
    User-Agent: Asterisk PBX 1.8.13.1~dfsg1-3+deb7u3  
    Content-Length: 0  
----------
BYE sip:172.16.3.0:5050 SIP/2.0  
    Via: SIP/2.0/UDP 172.16.3.3:5060;branch=z9hG4bKe066.64948323.0  
    Via: SIP/2.0/UDP 172.16.5.44:5060;received=172.16.5.44;branch=z9hG4bK1e381a63;rport=5060  
    Max-Forwards: 69  
    From: "Station 103   " <sip:103@172.16.5.44>;tag=as678f227c  
    To: <sip:155@172.16.3.3:5060>;tag=1262186908  
    Call-ID: 2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
    CSeq: 103 BYE  
    User-Agent: Asterisk PBX 1.8.13.1~dfsg1-3+deb7u3  
    X-Asterisk-HangupCause: Normal Clearing  
    X-Asterisk-HangupCauseCode: 16  
    Content-Length: 0  
----------
SIP/2.0 481 CallLegTransactionDoesNotExist  
    Via: SIP/2.0/UDP 172.16.3.3:5060;branch=z9hG4bKe066.64948323.0;received=172.16.3.3;rport=5060  
    Via: SIP/2.0/UDP 172.16.5.44:5060;received=172.16.5.44;branch=z9hG4bK1e381a63;rport=5060  
    To: <sip:155@172.16.3.3:5060>;tag=1262186908  
    From: "Station 103   " <sip:103@172.16.5.44>;tag=as678f227c  
    Call-ID: 2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
    CSeq: 103 BYE  
    Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER, REGISTER, SUBSCRIBE  
    Content-Length: 0  
----------
BYE sip:103@172.16.5.44:5060 SIP/2.0  
    Via: SIP/2.0/UDP 172.16.3.0:5050;branch=z9hG4bKfe13e63d99524b06846bde0fedbd8a69;rport  
    To: "Station 103   " <sip:103@172.16.5.44>;tag=as678f227c  
    From: <sip:155@172.16.3.3:5060>;tag=1262186908  
    Call-ID: 2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
    CSeq: 103 BYE  
    Max-Forwards: 70  
    Route: <sip:172.16.3.3;lr;ftag=as678f227c>  
    Content-Length: 0  
----------
SIP/2.0 481 Call leg/transaction does not exist  
    Via: SIP/2.0/UDP 172.16.3.0:5050;received=172.16.3.0;branch=z9hG4bKfe13e63d99524b06846bde0fedbd8a69;rport=5050  
    From: <sip:155@172.16.3.3:5060>;tag=1262186908  
    To: "Station 103 " <sip:103@172.16.5.44>;tag=as678f227c  
    Call-ID: 2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
    CSeq: 103 BYE  
    Server: Asterisk PBX 1.8.13.1~dfsg1-3+deb7u3  
    Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH  
    Supported: replaces, timer  
    Content-Length: 0  
----------
----------
邀请sip:895eedf7-4256-44d0-9edf-39785b6ceef0@172.16.3.0:5050 SIP/2.0
记录路线:
Via:SIP/2.0/UDP 172.16.3.3:5060;分支=z9hG4bKd066.93df6e05.0
Via:SIP/2.0/UDP 172.16.5.44:5060;已接收=172.16.5.44;分支=z9hG4bK50029c58;rport=5060
最大前锋:69
从:“103号站”;标签=as678f227c
致:
联系人:
呼叫ID:2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
CSeq:102邀请
用户代理:星号PBX 1.8.13.1~dfsg1-3+deb7u3
日期:2015年6月25日星期四14:27:31 GMT
允许:邀请、确认、取消、选项、再见、参考、订阅、通知、信息、发布
支持:替换、定时器
内容类型:应用程序/sdp
内容长度:296
重定向到:sip:wks2@172.16.3.3:5060  
----------
SIP/2.0 180振铃
Via:SIP/2.0/UDP 172.16.3.3:5060;分支=z9hG4bKd066.93df6e05.0;接收=172.16.3.3;rport=5060
Via:SIP/2.0/UDP 172.16.5.44:5060;已接收=172.16.5.44;分支=z9hG4bK50029c58;rport=5060
致:;标签=1262186908
从:“103号站”;标签=as678f227c
呼叫ID:2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
CSeq:102邀请
允许:确认、再见、取消、信息、邀请、通知、选项、参考、注册、订阅
内容长度:0
----------
SIP/2.0 200正常
Via:SIP/2.0/UDP 172.16.3.3:5060;分支=z9hG4bKd066.93df6e05.0;接收=172.16.3.3;rport=5060
Via:SIP/2.0/UDP 172.16.5.44:5060;已接收=172.16.5.44;分支=z9hG4bK50029c58;rport=5060
致:;标签=1262186908
从:“103号站”;标签=as678f227c
呼叫ID:2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
CSeq:102邀请
联系人:
记录路线:
服务器:www.sipsorcery.com
内容长度:161
内容类型:应用程序/sdp
----------
确认sip:172.16.3.0:5050 sip/2.0
Via:SIP/2.0/UDP 172.16.3.3:5060;分支=z9hG4bKd066.93df6e05.2
Via:SIP/2.0/UDP 172.16.5.44:5060;已接收=172.16.5.44;分支=z9hG4bK49d179f0;rport=5060
最大前锋:69
从:“103号站”;标签=as678f227c
致:;标签=1262186908
联系人:
呼叫ID:2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
CSeq:102确认
用户代理:星号PBX 1.8.13.1~dfsg1-3+deb7u3
内容长度:0
----------
再见sip:172.16.3.0:5050 sip/2.0
Via:SIP/2.0/UDP 172.16.3.3:5060;分支=z9hG4bKe066.64948323.0
Via:SIP/2.0/UDP 172.16.5.44:5060;已接收=172.16.5.44;分支=z9hG4bK1e381a63;rport=5060
最大前锋:69
从:“103号站”;标签=as678f227c
致:;标签=1262186908
呼叫ID:2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
CSeq:103再见
用户代理:星号PBX 1.8.13.1~dfsg1-3+deb7u3
X-星号-挂断原因:正常清除
X-星号-挂起原因代码:16
内容长度:0
----------
SIP/2.0 481 CallLegTransactionDoesNotExist
Via:SIP/2.0/UDP 172.16.3.3:5060;分支=z9hG4bKe066.64948323.0;接收=172.16.3.3;rport=5060
Via:SIP/2.0/UDP 172.16.5.44:5060;已接收=172.16.5.44;分支=z9hG4bK1e381a63;rport=5060
致:;标签=1262186908
从:“103号站”;标签=as678f227c
呼叫ID:2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
CSeq:103再见
允许:确认、再见、取消、信息、邀请、通知、选项、参考、注册、订阅
内容长度:0
----------
再见sip:103@172.16.5.44:5060 SIP/2.0
Via:SIP/2.0/UDP 172.16.3.0:5050;分支=z9hG4bKfe13e63d99524b06846bde0fedbd8a69;港口
致:“103号站”;标签=as678f227c
发件人:;标签=1262186908
呼叫ID:2697521655d00bab6de06a5941ddf8b4@172.16.5.44:5060  
CSeq:103再见
最大前锋:70
路线:
内容长度:0
----------
SIP/2.0 481呼叫分支/事务不存在
Via:SIP/2.0/UDP 172.16.3.0:5050;接收=172.16.3.0;分支=z9hG4bKfe13e63d99524b06846bde0fe