[asterisk-dev] Clipped DTMF on Zap Channel - 1.4-r93000 - VLDTMF Incompatibility?

[Gregory Boehnlein]

Yup.. that solves it.. :)

> -----Original Message-----
> From: asterisk-dev-bounces at lists.digium.com [mailto:asterisk-dev-
> bounces at lists.digium.com] On Behalf Of Russell Bryant
> Sent: Sunday, December 16, 2007 6:28 PM
> To: Asterisk Developers Mailing List
> Subject: Re: [asterisk-dev] Clipped DTMF on Zap Channel - 1.4-r93000 -
> VLDTMF Incompatibility?
> 
> Gregory Boehnlein wrote:
> > However, when I do a Ztmonitor, I can hear only a 1 or 2 ms DTMF
> tone.
> >
> > Now.. the system that is sending the SIP packets to the 1.4 box is an
> > Asterisk 1.2 box. What I assume is happening is that the 1.2 system
> is
> > sending the old style rapid fire DTMF events, and the Asterisk 1.4
> box is
> > processing them in the way that a sane RFC-2833 gateway would and
> starting
> > the DTMF, then immediately ending it upon receipt of the "end of
> event"
> > marker.
> 
> Do you have the "rfc2833compensate" option enabled in sip.conf?  If you
> don't,
> turn it on and see if that fixes it for you.  It should.
> 
> --
> Russell Bryant
> Senior Software Engineer
> Open Source Team Lead
> Digium, Inc.
> 
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