[OpenSIPS-Users] Strange retrasmission of bye messages

Tue Jan 13 13:21:16 CET 2009

Hi Matteo,

is the retransmission on time event - I mean a single retransmission ? 
or it keeps going?

Regards,
Bogdan

mmarzuola at interfree.it wrote:
> Hi all. 
> Sniffing the traffic I realized that sometimes the signaling of BYE transaction contains replicated messages BYE.
> This is an example:
>
> #
> U 10.10.45.78:5060 -> 10.10.45.158:5060
> BYE sip:1000 at 10.10.45.102:5060 SIP/2.0.
> Via: SIP/2.0/UDP 10.10.45.78:5060;rport;branch=z9hG4bK08DFC9CC7C9059DAE6CC8D4AE1FD5BB0.
> From: <sip:1003 at mysip.com>;tag=597156156.
> To: "Sjphone laptop_User" <sip:1000 at mysip.com>;tag=31316689311285800150.
> Contact: <sip:1003 at 10.10.45.78:5060>.
> Route: <sip:10.10.45.158;lr=on;ftag=31316689311285800150>.
> Call-ID: 8FA5A2BA-1DD2-11B2-8843-DF179CCF6174 at 10.10.45.102.
> CSeq: 25008 BYE.
> Max-Forwards: 70.
> User-Agent: X-Lite release 1105d.
> Content-Length: 0.
> .
>
> #
> U 10.10.45.158:5060 -> 10.10.45.102:5060
> BYE sip:1000 at 10.10.45.102:5060 SIP/2.0.
> Via: SIP/2.0/UDP 10.10.45.158;branch=z9hG4bKc2e9.5af153d5.0.
> Via: SIP/2.0/UDP 10.10.45.78:5060;received=10.10.45.78;rport=5060;branch=z9hG4bK08DFC9CC7C9059DAE6CC8D4AE1FD5BB0.
> From: <sip:1003 at mysip.com>;tag=597156156.
> To: "Sjphone laptop_User" <sip:1000 at mysip.com>;tag=31316689311285800150.
> Contact: <sip:1003 at 10.10.45.78:5060>.
> Call-ID: 8FA5A2BA-1DD2-11B2-8843-DF179CCF6174 at 10.10.45.102.
> CSeq: 25008 BYE.
> Max-Forwards: 69.
> User-Agent: X-Lite release 1105d.
> Content-Length: 0.
> .
>
> #
> U 10.10.45.102:5060 -> 10.10.45.158:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 10.10.45.158;branch=z9hG4bKc2e9.5af153d5.0,SIP/2.0/UDP 10.10.45.78:5060;rport=5060;received=10.10.45.78;branch=z9hG4bK08DFC9CC7C9059DAE6CC8D4AE1FD5BB0.
> Content-Length: 0.
> Call-ID: 8FA5A2BA-1DD2-11B2-8843-DF179CCF6174 at 10.10.45.102.
> CSeq: 25008 BYE.
> From: <sip:1003 at mysip.com>;tag=597156156.
> Server: SJphone/1.60.299a/L (SJ Labs).
> To: "Sjphone laptop_User"<sip:1000 at mysip.com>;tag=31316689311285800150.
> .
>
> #
> U 10.10.45.158:5060 -> 10.10.45.78:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 10.10.45.78:5060;rport=5060;received=10.10.45.78;branch=z9hG4bK08DFC9CC7C9059DAE6CC8D4AE1FD5BB0.
> Content-Length: 0.
> Call-ID: 8FA5A2BA-1DD2-11B2-8843-DF179CCF6174 at 10.10.45.102.
> CSeq: 25008 BYE.
> From: <sip:1003 at mysip.com>;tag=597156156.
> Server: SJphone/1.60.299a/L (SJ Labs).
> To: "Sjphone laptop_User"<sip:1000 at mysip.com>;tag=31316689311285800150.
> .
>
> #
> U 10.10.45.158:5060 -> 10.10.45.102:5060
> BYE sip:1000 at 10.10.45.102:5060 SIP/2.0.
> Via: SIP/2.0/UDP 10.10.45.158;branch=z9hG4bKc2e9.5af153d5.0.
> Via: SIP/2.0/UDP 10.10.45.78:5060;received=10.10.45.78;rport=5060;branch=z9hG4bK08DFC9CC7C9059DAE6CC8D4AE1FD5BB0.
> From: <sip:1003 at mysip.com>;tag=597156156.
> To: "Sjphone laptop_User" <sip:1000 at mysip.com>;tag=31316689311285800150.
> Contact: <sip:1003 at 10.10.45.78:5060>.
> Call-ID: 8FA5A2BA-1DD2-11B2-8843-DF179CCF6174 at 10.10.45.102.
> CSeq: 25008 BYE.
> Max-Forwards: 69.
> User-Agent: X-Lite release 1105d.
> Content-Length: 0.
> .
>
> #
> U 10.10.45.102:5060 -> 10.10.45.158:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 10.10.45.158;branch=z9hG4bKc2e9.5af153d5.0,SIP/2.0/UDP 10.10.45.78:5060;rport=5060;received=10.10.45.78;branch=z9hG4bK08DFC9CC7C9059DAE6CC8D4AE1FD5BB0.
> Content-Length: 0.
> Call-ID: 8FA5A2BA-1DD2-11B2-8843-DF179CCF6174 at 10.10.45.102.
> CSeq: 25008 BYE.
> From: <sip:1003 at mysip.com>;tag=597156156.
> Server: SJphone/1.60.299a/L (SJ Labs).
> To: "Sjphone laptop_User"<sip:1000 at mysip.com>;tag=31316689311285800150.
> .
>
> I can not understand why the proxy decides to send a new bye to the UAC despite the transaction appears to be over.
>
> In my system runs opensips 1.5 and mediaproxy 2.3.1.
> Any idea?
>
>
> Thanks in advance
>
> Marzuola Matteo
>
>
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