asterisk users - Dec 2012 - Congestion() forcing PRI channels to be not available

Hi,
I have a PSTN Asterisk box that's connected to other dialplan PBXes through
IAX2.

Recently this box was upgraded to 1.4.44 with the latest DAHDI version.
I've noticed that if one of the dialplan PBXes calls Congestion(), the PRI
will return ISDN code 34 (as its supposed to do).
However, the issue is that subsequent calls into that PRI channel are
immediately responded by a Code 44 (channel not available) even though
there is no live call on the channel.

Has anyone else experienced this behavior? Its a pretty crippling behavior
since all of our channels eventually become unresponsive until a 'dahdi
restart' is issued.

Thanks.

-- James
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You probably already know this, but 1.4x is very old (released in 2006) and
is officially end-of-life.

https://wiki.asterisk.org/wiki/display/AST/Asterisk+Versions

You might get more help or better behavior by updating to a newer more
current version of Asterisk, such as 1.8 which will be receiving bug fixes
into October 2014.


On Wed, Dec 19, 2012 at 3:47 PM, James Lamanna <jlamanna at gmail.com>
wrote:
> Hi,
> I have a PSTN Asterisk box that's connected to other dialplan PBXes
> through IAX2.
>
> Recently this box was upgraded to 1.4.44 with the latest DAHDI version.
> I've noticed that if one of the dialplan PBXes calls Congestion(), the
PRI
> will return ISDN code 34 (as its supposed to do).
> However, the issue is that subsequent calls into that PRI channel are
> immediately responded by a Code 44 (channel not available) even though
> there is no live call on the channel.
>
> Has anyone else experienced this behavior? Its a pretty crippling behavior
> since all of our channels eventually become unresponsive until a 'dahdi
> restart' is issued.
>
> Thanks.
>
> -- James
>
> --
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-- 
-Chris Harrington
ACSDi Office: 763.559.5800
Mobile Phone: 612.326.4248
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