asterisk users - May 2006 - Calls connected, but no audio

Using sip connections some peers are not able to transmit or recieve 
audio.  All peers are setup the same aside from the NAT settings.  The 
call will go through, called device will ring, but when it answers there 
is no audio connection.  From the callee, they will not here the rings, 
only silence when they dial the phone.

The kicker is that sometimes it will work, and other times it will not.

Miles

You need to describe your NAT setup more. 

One thing to try is to set qualify to yes or a short number.  
Essentially a keepalive for any routers in the middle.  If you have 
multiple phones behind a remote NAT, make sure they are using different 
ports.

Miles Scruggs wrote:
> Using sip connections some peers are not able to transmit or recieve 
> audio.  All peers are setup the same aside from the NAT settings.  The 
> call will go through, called device will ring, but when it answers 
> there is no audio connection.  From the callee, they will not here the 
> rings, only silence when they dial the phone.
>
> The kicker is that sometimes it will work, and other times it will not.
>
> Miles
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