[asterisk-users] Re: SIP/IAX peers UNREACHABLE and audio loss

[Lukas]

Hi guys. 

I have the same problem and donnow why. 
I set up Nat=yes and Qulify=yes ... and notthin' happens.

So..do you think it's related to a perl function?
If u find the sol , tell us please. THANKS.

El dom, 01-04-2007 a las 18:02 +0200, Edoardo Serra escribió:

> Hi guys,
> 	I think I got the point of the problem.
> 
> I guess it's related to a lock in res_perl (which we use to do lcr, 
> billing, ecc...)
> 
> I'll open another thread for that
> 
> Tnx for hep
> 
> Regards
> 
> Edoardo Serra
> WeBRainstorm S.r.l.
> 
> Edoardo Serra ha scritto:
> > Hi all,
> >     I'm having a problem with some Asterisk servers interconnected with 
> > each other using IAX (I also tried with SIP without solving the problem)
> > 
> > Sometimes, with apparently no reason, some peers become UNREACHABLE
> > (I have qualify=yes in iax.conf) and REACHABLE again as soon as
> > another qualify test is made.
> > 
> > Our users are also complaining about audio loss during their calls,
> > apparently randomly, everything goes ok for days and bad for another few 
> > days.
> > 
> > I strongly believe the 2 problems are strictly related because in the 
> > logs I see REACHABLE / UNREACHABLE messages only for certains days
> > without regularity.
> > The days in wich i see a lot of messages are exactly the days with
> > most of complaint about audio loss
> > 
> > I just noticed that timestamps of the logs (REACHABLE / UNREACHABLE)
> > are quite always during business hours, this makes me think at somewhat 
> > related to load (cpu load, badwidth load, calls load, etc...)
> > 
> > But, looking at hardware specs of our lan, servers and average load I 
> > don't think they are over-stressed.
> > 
> > Our servers are all:
> > 2 x Intel(R) Xeon(TM) CPU 3.20GHz
> > 1 GB RAM
> > 2 x IDE HDDs Software RAID 1
> > Asterisk 1.2.13 with res_perl
> > Gentoo Linux
> > Some of them has a Sangoma card connected with an E1
> > 
> > Most ot these are on the same LAN, interconnected with a 1 GB switch
> > (I don't think it should be a bandwidth problem).
> > 
> > Load averages of these server is varying from 0.5 to 1.0
> > (I guess it should be ok)
> > 
> > On each server we don't have more than 50 concurrent calls
> > (bridged SIP <-> IAX2 or IAX2 <-> ZAP)
> > 
> > Used codec is mostly G729
> > 
> > Sometimes on asterisk cli i see some messages like
> > "Avoided initial deadlock for '0x9fd130', 10 retries!"
> > I don't know if it could be somehow related.
> > 
> > Someone of you can point me in the right direction ?
> > 
> > Tnx in advance
> > 
> > Regards
> > 
> > Ing. Edoardo Serra
> > WeBRainstorm S.r.l.
> > 
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