[asterisk-users] DTMF

[didier.cuffaut]

----- Original Message ----- 
From: "Jeff LaCoursiere" <jeff at jeff.net>
To: <asterisk-users at lists.digium.com>
Sent: Thursday, April 16, 2009 5:25 PM
Subject: Re: [asterisk-users] DTMF


> 
> Hmm, let me rephrase that (now that I have googled a bit).  I am having 
> trouble with DTMF tones over two IAX trunks:
> 
> Polycom501--->ast---[IAX]---ast2---[IAX]--->provider
> 
> Both IAX trunks were ulaw, and that worked fine.  I recently changed the 
> first leg to be g729 (as their internet connection is lower bandwidth). 
> Now DTMF doesn't seem to pass.
> 
> In my searches just now I see that dtmfmode is not actually a valid 
> keyword in iax.conf.
> 
> So may I assume that dtmfmode is inband only over IAX (since adding 
> compression seems to have killed it?).  That would suck.
> 
> j
> 
> On Thu, 16 Apr 2009, Jeff LaCoursiere wrote:
> 
> >
> > Is there a way to show the negotiated DTMF mode for an active channel?
> >
> > Cheers,
> >
> > j
> >
> 
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