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When similar problem occurred, I traced the issue to remote GSM gateway
with poor protocol stack.<br>
The asterisk was doing exactly what it was supposed to do.<br><br>
The IMMEDIATE work around we used was to put maximum call timer into
extensions.conf<br><br>
<x-tab> </x-tab>exten
=> s, 6,Set(TIMEOUT(absolute)=3660)<br><br>
This gives one hour+one minute. With average call
duration below 30 minutes<br>
this worked quite well for our GSM traffic purposes. <br>
You set to any value appropriate to your traffic.<br>
..mike..<br>
<blockquote type=cite class=cite cite="">Currently I am running 120 VoIP
SIP channels on my asterisk server but each day 2, 3 calls got hanged in
asterisk, and on asterisk CLI “show channels” showing us as call UP
but in real there is no call.<br><br>
When asterisk restarted the hanged calls removed from CLI with very high
duration which damaged our billing system and customers accounts goes in
high negative.<br><br>
First I tried to get call info from asterisk mysql CDR using billsec
field but the same result then I create PERL AGI to get duration from
“ANSWEREDTIME” and same result.<br><br>
Please have a look to the following URL which I put the result of “show
channel <channelname>” you can see the DIALSTATUS=CONGESTION but
Elapsed Time: 20h54m16s which really strange and out of my mind to
control such as call.<br><br>
<a href="http://www.emafone.net/bugs.html" eudora="autourl">
http://www.emafone.net/bugs.html</a><br><br>
Please advice us if it is Bug and solved in some ver or its need some
configuration to avoid this issue.<br><br>
This is in both ver of asterisk 1.2 and 1.4<br><br>
<br><br>
<br>
<font face="arial black" color="#0000BF"><b>-------- <br>
Regard,</b></font><br><br>
<br>
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