Hi!
I'm using the B2BUA module for top hiding. The client connects to us through NAT. He got two servers: one for call handling(.19) and one proxy(.20). The problem seems to be that opensips (1.6.4) appends received=x.x.x.x to the wrong Via-header part when using the B2BUA module. Without everything is OK. See my trace: It should be: Via: SIP/2.0/TCP 10.3.8.20:5060;branch=z9hG4bK94c1e03fce37b2c400d363ade;received=80.239.13.20 9, SIP/2.0/TCP 10.3.8.19:5062;branch=z9hG4bKf047356212106fe69a90eb0bf not: Via: SIP/2.0/TCP 10.3.8.20:5060;branch=z9hG4bK94c1e03fce37b2c400d363ade, SIP/2.0/TCP 10.3.8.19:5062;branch=z9hG4bKf047356212106fe69a90eb0bf;received=80.239.13.20 9 when 10.3.8.20 is the box we're communicating with? 80.239.13.209 is the customer's external ip which we receive data from. It seems like 10.3.8.20 forwards the request to 80.239.13.209 instead of 10.3.18.19 when we're sending replies. INVITE sip:[email protected];transport=tcp SIP/2.0 To: <sip:[email protected]:5060> From: "Unknown" <sip:[email protected]>;tag=23221 Via: SIP/2.0/TCP 10.3.8.20:5060;branch=z9hG4bK94c1e03fce37b2c400d363ade, SIP/2.0/TCP 10.3.8.19:5062;branch=z9hG4bKf047356212106fe69a90eb0bf Call-ID: [email protected] CSeq: 1 INVITE Contact: <sip:[email protected]:5062;transport=tcp> Max-Forwards: 69 x-inin-crn: 1001083772;loc=Kristiansand;ms=NECIC4 Supported: join, replaces User-Agent: ININ-TsServer/3.11.11.12100 Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, PRACK, REFER, SUBSCRIBE Accept: application/sdp Accept-Encoding: identity Content-Type: application/sdp Content-Length: 197 Record-Route: <sip:10.3.8.20:5060;lr;transport=tcp> v=0 o=ININ 3089718599 3089718600 IN IP4 10.3.8.19 s=Interaction c=IN IP4 10.3.8.20 t=0 0 m=audio 24094 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 SIP/2.0 100 Trying To: <sip:[email protected]:5060> From: "Unknown" <sip:[email protected]>;tag=23221 Via: SIP/2.0/TCP 10.3.8.20:5060;branch=z9hG4bK94c1e03fce37b2c400d363ade, SIP/2.0/TCP 10.3.8.19:5062;branch=z9hG4bKf047356212106fe69a90eb0bf;received=80.239.13.20 9 Call-ID: [email protected] CSeq: 1 INVITE Server: OpenSIPS (1.6.4-2-notls (x86_64/linux)) Content-Length: 0 Best regards, Morten Tryfoss
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