[asterisk-dev] SIP MAX_RETRANS

[DIDELOT Loic]

Hello,
qualify is a nice feature but it is not appropriate if you use realtime
with a really huge number of users.

Hmm, I guess I have to dig deeper in the code to break the RFC in a
stable way :o). IAX doesn't retransmit 6 times either.

Best regards,
Loic Didelot.




On Wed, 2006-03-15 at 19:58 +0100, Johansson Olle E wrote:
> 15 mar 2006 kl. 17.37 skrev DIDELOT Loic:
> 
> > Hello,
> > my asterisk servers run quite stable but when I try to change the  
> > value
> > for MAX_RETRANS in chan_sip.c (line 35) to something lower then six
> > asterisk begins to crash. I would like to set it to 2 or 1 because  
> > when
> > set to 6 it takes too much time to jump to the next priority.
> >
> >
> > #define MAX_RETRANS             6               /* Try only 6 times  
> > for
> > retransmissions, a total of 7 transmissions */
> >
> > Does anyone have an idea?
> >
> If you change this, you are breaking the RFC and also breaking the
> code for retransmits.
> 
> As long as you understand that, I would suggest turning on  
> qualification.
> 
> With qualification, we will adjust the retransmit timers to the actual
> latency between the server and the client, which is typically faster  
> than
> the default roundtrip time in the RFC.
> 
> qualify=yes in sip.conf for a peer/user/friend
> 
> /Olle
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