[Asterisk-Users] Unable to forward frame

[Alexander Lopez]

 It has to do with transcoding. If Asterisk cannot 'speak' the codec it
cannot answer the call and is 'unable to forward the frame.

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
> James Harper
> Sent: Wednesday, March 15, 2006 5:08 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: RE: [Asterisk-Users] Unable to forward frame
> 
> > exten => _3XX,1,Answer
> > exten => _3XX,2,Dial(Sip/${EXTEN},6000,t) exten => _3XX,3,Hangup
> 
> Why do you Answer before you Dial here? I had a problem where 
> calls were misbehaving and someone asked me that same 
> question. Without really understanding why I removed the 
> Answer and it then just worked.
> 
> I think the idea is that Dial connects the incoming channel - 
> still in the 'ringing' state - to the outgoing channel, and 
> then the outgoing channel takes care of answering the 
> incoming call (or not).
> 
> Or maybe you know what you are doing and there is a perfectly 
> good reason to Answer before Dial.
> 
> James
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