That cause code actually sounds pretty useful to me.

How many channels of PRI do you have?

How many channels were in use at that time?

Congestion would cause that sort of error, where the D-channel is looking for a B-channel to assign a call to, and can't find any free.

Jim


On 4/19/2010 4:55 PM, Bruce N wrote:
Hi again,



This morning there was a blip on a PRI service with a Sandoma A101DE card. I 
think it was effecting both outbound and inbound. Asterisk restart was done wit 
`amportal restart` and service was back on. So, I doubt it was a Telco issue.



Due to urgency of business hours there was no time to do tests and turn on 
debug and now I am looking through the logs to find the cause. Where should one 
look for details of this sort of a problem:



The only thing related I found was in /var/log/asterisk/full and that is:



[2010-04-19 08:45:50] WARNING[29707] app_dial.c: Unable to create channel of 
type 'ZAP' (cause 34 - Circuit/channel congestion)




Which is really not useful.



Thanks,

Bruce
                                        
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