asterisk users - Aug 2005 - Echo after running for several days?

I have asterisk connected to a PSTN line with FXO interface cards from Digium.  
When I first start Asterisk it sounds fine.... after a few days of
running I begin to hear alot of echo on calls... restart asterisk and
it is fine again.

Any thoughts what this might be?

You and a whole bunch of other guys, including me:

http://www.google.ca/search?hl=en&q=tdm+restart+site%3Alists.digium.com&meta

Cron a reboot every morning at 4 in the morning. There's a script floating
around also to shutdown Asterisk when convenient, unload the driver & reload
it & restart Asterisk. But reboot works fine. 

-----Original Message-----
From: Matt [mailto:mhoppes@gmail.com]
Sent: Tuesday, August 23, 2005 7:12 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [Asterisk-Users] Echo after running for several days?


I have asterisk connected to a PSTN line with FXO interface cards from
Digium.  
When I first start Asterisk it sounds fine.... after a few days of
running I begin to hear alot of echo on calls... restart asterisk and
it is fine again.

Any thoughts what this might be?
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There was a thread a while back about echo on calls increasing over time on FXO 
lines. I am finding this with TE405P cards as well. I had hoped that V2 of the 
firmware would fix the problem, but it would appear not).

I know that there is a workaround script to restart asterisk and reload zaptel 
drivers, but i was hoping for a more 'solid' solution.

Does anyone know of one?


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=========================================Rod Bacon
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