[asterisk-users] No service on phones...

[Andres]

Carlos Chavez wrote:

>	Today I had a problem where the internet connection is unstable so
>calls are getting dropped all over the place.  The one thing I do not
>understand is that at least 30 phones on the internal network went to
>"No Service".  
>
When this happens try to capture DNS traffic originating from your 
Asterisk.  I suspect you will find Asterisk is going crazy trying to 
resolve DNS names and getting no response.  I see that a lot.   I 
usually brings down to a grind the whole pbx.

Andres
http://www.neuroredes.com

>Since they are on the same network segment and on the
>same subnet I do not see why the Internet connection sould affect them.
>The asterisk server is behing NAT and we use externip=201.161.XXX.XXX
>for outside sip phones and providers.
>
>	Any recommendations?
>
>
>  
>
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