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

[Boris Bakchiev]

That's definitely true.

With 1.4, inband DTMF work fine when talking to Samsung PBX over SIP or
H323.
Its 50-50 when using 1.2.

Are any improvements to be expected for inband ftmf for 1.2?

> > 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...
>