[Asterisk-Users] Should PRI running over t100p be able to survive short yellow alarms?

[Peter Svensson]

On Tue, 5 Apr 2005, Kris Boutilier wrote:

> I have a PRI connection between Asterisk and a PBX. The connection
> passes through a hardware echo canceller which includes some monitoring
> facilities. Occasionally the T1 has gone yellow for short periods (<2
> seconds) and when this occurs Asterisk seems to immediately tear down
> any in-progress calls. Is this expected behavior or should the
> established B-channels stay up (sans audio) until the T1 either goes red
> or a longer period of time (say > 10 seconds) passes?

Well, a yellow alarm is a remote alarm. When someone is sending a yellow 
alarm they are usually considering the link to be down. Are you sure 
there are any calls left active by the remote side when the yellow alarm 
clears?

Peter