[asterisk-users] Disappearing B-Channels

[Ben Willcox]

Mark Greene wrote:
> I could do that. The only issue is that I don't understand why others 
> with my setup have not had to do the same. What's unique about my TDMoE 
> setup that makes it intolerant to channel restarts? I did everything by 
> the book.

We had a similar problem, and although your symptoms are not identical, 
we had a massive ongoing problem with the reliability of our ISDN 
channels, where they would randomly stop working until eventually we 
could no longer make any outgoing or incoming calls via our PRI line. A 
restart of asterisk was needed to get it working again.

We finally discovered that the problem was our use of cacti, monitoring 
channel usage via the manager interface. We were hitting the manager 
interface with 4 connects, queries and disonnects per minute, and over 
the course of a day, asterisk would start dropping calls and other 
strange behaviour. I guess there is a memory leak or similar with the 
asterisk manager interface.

Perhaps not your particular problem, but thought I'd throw it in there 
anyway as you never know...

Cheers,
Ben