[Users] ReInvite send twice

Stefan Römer mail at roemer.se
Wed Sep 13 22:47:56 CEST 2006


Thank you,

thats what i read:

>there is known issue with the first retransmission interval. As
>openser 
>use unique timer with cadence of 1 second.
>So if the retransmission is set (added into timer) at second n+500 ms, 
>that the timer will hit at n+1 seconds, resulting in a 500 ms period 
>instead of 1 sec. It's about time quantification of the timer and the 
>time linearity of the insertion in the timer.

I'm not sure what this means but i searched for "OpenSER Retransmission
timer" and found 

	retr_timer1p1 (integer)

in tm-module. 

Can my problem be resolved by changing the retr_timer1p1 value? (I will
try this on Friday ;-) )


thanks a lot

Stefan





Am Mittwoch, den 13.09.2006, 16:17 -0400 schrieb Ovidiu Sas:
> check this:
> http://www.openser.org/pipermail/users/2005-November/001579.html
> 
> 
> Regards,
> -ovi
> 
> On 9/13/06, Stefan Römer <mail at roemer.se> wrote:
> > Hi !!!
> >
> > I'm using OpenSER 1.0.1 and realized some strange behaviour
> > when SIP UA sends ReInvite Messages.
> >
> > Initial INVITE shown below (this is OK)
> >
> > UA A                    OpenSER                         UA B
> > _____________________________________________________________
> >
> > --------INVITE------------> -----------INVITE------------>
> >
> > <--------200 OK----------- <---------200 OK----------------
> >
> > ---------ACK-------------> -------------ACK--------------->
> >
> >
> >
> >
> > But when an UA sends a ReINVITE message I realized following behaviour.
> > This happens approximatly every 3rd or 4th ReInvite.
> >
> > UA A                    OpenSER                         UA B
> > _____________________________________________________________
> > --------INVITE------------>
> >                             -----------INVITE------------>
> >                             -----------INVITE------------>
> >
> > <--------200 OK----------- <---------200 OK----------------
> > <--------200 OK----------- <---------200 OK----------------
> >      .
> >      .
> >      .
> >      .
> >
> >
> > Is there any reason for OpenSER sending ReINVTE twice?
> > Any chance to avoid this?
> >
> >
> > Sincerly
> >
> > Stefan
> >
> >
> > _______________________________________________
> > Users mailing list
> > Users at openser.org
> > http://openser.org/cgi-bin/mailman/listinfo/users
> >





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