[asterisk-dev] Inband DTMF fixed in 1.4 but not 1.2 (bug 8944)

[YojiTakeuchi]

Hi Joshua-san,

I have the following problem.
Does it have something to do with your discussing problem?

(My Problem)
The DTMF signal won`t go through from an Analog telephone (TDM400P)
to a GarndStream IP-hard phone.   However, the signal is properly
heard in the opposite direction.

The dialpad numbers are properly recognized on TDM400P but there is
a DTMF sending problem while sending it to IP phone side.

I appreaciate your help.


Yoji Takeuchi (Japan)

----- Original Message -----
From: "Joshua Colp" <jcolp at digium.com>
To: "Asterisk Developers Mailing List" <asterisk-dev at lists.digium.com>
Sent: Thursday, May 17, 2007 11:47 PM
Subject: Re: [asterisk-dev] Inband DTMF fixed in 1.4 but not 1.2 (bug 8944)


> Boris Bakchiev wrote:
> > Hi Developers,
> >
> > I'm wondering why 8944 bug was not ported to 1.2 brunch as it is plagued
> > but exact same problem as 1.4 brunch.
> >
> > I have tested 1.4 with russell's bugfix and we have not experienced
> > inband DTMF issues when compared to latest 1.2 brunch.
> >
> > Its it possible to backport 8944 to 1.2 brunch (including the fix in
> > r63698)
>
> Not really. DTMF is handled very differently between 1.2 and 1.4+. The
> code that was fixed doesn't exist in 1.2. It is possible though that the
> new way we handle DTMF has improved inband DTMF...
>
> Joshua Colp
> Software Developer
> Digium, Inc.
>
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