[asterisk-users] CAPI channel not available but nobody is usingthe system

[Tim Sharp]

Armin,
I am running 1.2.7.1 with an Eicon T1 board version 2 on Debian 2.4
I don't know the details on chan-capi / CAPI drivers.  We did the install April of this year.
How can I tell what I have?
Thank you for your time.
Tim

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com]On Behalf Of Armin
Schindler
Sent: Wednesday, October 18, 2006 3:24 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] CAPI channel not available but nobody is
usingthe system


On Tue, 17 Oct 2006, Tim Sharp wrote:
> I have 23 CAPI channels defined and normally multiple channels are in use 
> during the day for outbound calling.  The problem is that every 3 or 4 
> months one of the channels becomes unavailable and then no calls can come 
> in or go out on any of these channels.  CAPI INFO shows "Contr1: 23 B 
> channels total, 22 B channels free."  To fix the problem I reboot the 
> asterisk server.  First, is there a better way to reset the channels than 
> rebooting?

It depends where the problem really has its origin.
If just asterisk (chan-capi) has a wrong channel count, it would be enough
to unload chan-capi. Maybe asterisk itself need to be restarted.
But if the real problem comes from the CAPI/ISDN driver, you need to reload
these drivers. 

Which version of asterisk/chan-capi do you use? What ISDN hardware / CAPI 
driver do you use?

> Second, is there a way to bypass the unavailable channel in the dialplan?

No.

> Third, what is causing the problem and can I prevent it? 

chan-capi counts the active channels when the CONNECT/DISCONNECT message
of b-channels are indicated. If one of these messages are missing (it's a 
bug in the CAPI driver if that happens) the count is wrong.


Armin


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