No subject

20 second timeout.  If the call does not bridge or complete in 20 seconds,
Asterisk considers it completed as failed.  If you change the Dial to 30
seconds, the problem will become a 30 second one, etc...

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Doug
Sent: Monday, April 19, 2010 9:12 PM
To: asterisk-users at lists.digium.com
Subject: Re: [asterisk-users] Calls drop after 20 seconds

At 20:07 4/19/2010, Alejandro Recarey wrote:
 >Hi all,
 >
 >This issue is giving me a lot of grief with my customers. I have 5
 >asterisk servers running in production, each one with almost 70
 >simultaneous calls at peak hour. Most of my customers complain that
 >their calls drop after 20 seconds or so.

Many people have had this type of problem:

   http://www.Google.com/#q=Asterisk+20+seconds





 >
 >After running through my cdr's, I see that the number of 20 second
 >calls is MUCH larger than any other number. (see below)
 >
 >billsec        count(*)
 >1      924
 >2      841
 >3      725
 >4      812
 >5      779
 >6      681
 >7      644
 >8      630
 >9      613
 >10     515
 >11     522
 >12     516
 >13     557
 >14     527
 >15     507
 >16     457
 >17     456
 >18     467
 >19     424
 >20     1644
 >21     365
 >22     382
 >23     353
 >24     382
 >25     379
 >26     370
 >27     350
 >28     337
 >29     302
 >30     291
 >>30  lots
 >
 >
 >I am running Asterisk 1.6.1.14 on Debian Lenny. My servers are Dell
 >Power Edge 1950. I use canreinvite=no, and all of my servers are on
 >public IP's. All of my customers use Grandstream GXW4004 telephony
 >adapters.
 >
 >It is a hard issue to debug because it does not happen always. I will
 >try to obtain a sip trace from a dropped call, but until then, any
 >pointers, opinions or even guesses would be much appreciated!!
 >
 >Thanks in advance,
 >
 >Alex
 >
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