Re: [Sipp-users] Error on two identical BYE

Peter Higginson Tue, 03 Oct 2006 01:54:57 -0700

Title: Error on two identical BYE

SIPP uses a sumcheck. So change something that the remote device will not notice and hope it sends it back rather than just repeating the original reply.

Peter

Peter Higginson

Newport Networks Ltd,

Direct line 01494 470694

http://www.newport-networks.com/

From: zze-develop tests telephonométrie MEHEUX Y ext RD-MAPS-LAN [mailto:[EMAIL PROTECTED]
Sent: 03 October 2006 09:31
To: Peter Higginson; [email protected]
Subject: RE: [Sipp-users] Error on two identical BYE

I can't change the CSeq because I am trying to make retransmissions. If I do this, it won't be the same request.

Is there a way to make it with SIPp?

For example, it may be useful to test the timers 0.5, 1, 2 and 4 seconds.

Thanks

Yvonnick

De : Peter Higginson [mailto:[EMAIL PROTECTED]
Envoyé : lundi 2 octobre 2006 19:04
À : zze-develop tests telephonométrie MEHEUX Y ext RD-MAPS-LAN; [email protected]
Objet : RE: [Sipp-users] Error on two identical BYE

Change the CSeq between the two BYE messages – even if you don’t need it different change it anyway. (That is the usual cause – if you have them different already then you need more expert help.)

Peter

Peter Higginson

Newport Networks Ltd,

Direct line 01494 470694

http://www.newport-networks.com/

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of zze-develop tests telephonom鴲ie MEHEUX Y ext RD-MAPS-LAN
Sent: 02 October 2006 15:25
To: [email protected]
Subject: [Sipp-users] Error on two identical BYE

Hello,
I try to make a call with the following call flow :

                                 Messages Retrans   Timeout   Unexpected-Msg
      INVITE ---------->         1         0
           180 <----------         1         0                   0
           200 <----------         1         0                   0
         ACK ---------->         1         0
Pause [   5000ms]         1                              0
         BYE ---------->         1         0
           200 <----------         1         325                0
   Pause [    500ms]         1                               0
         BYE ---------->         1         325
           200 <----------         0         0                    0
------------------------------ Test Terminated --------------------------------

The terminal sends 200 OK on the first BYE.
Then, SIPp sends an identical BYE as the previous.
The terminal sends 200 OK that is not understood by SIPp as responding to the the 2nd BYE but to the first (retransmission of 200ok).

Is there a way for SIPp to accept this response?
Is this a bug of SIPp?

Thanks

Yvonnick

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