[Asterisk-Users] Inband DTMF is not supported on codec G.711u-law. Use RFC2833

[Chris Shaw]

Is this message coming from * or from Kphone? That's the stupidest error
I've ever seen, of course In-Band DTMF works over U-Law and A-Law... in fact
it ONLY works on U-Law and A-Law and not reliably on any other...

If this error is coming from *, and I can't believe it is, then you have a
codec problem... If the error is coming from Kphone you will need to
complain to them that their DTMF generation/handling code is FUBAR...

I use In-Band DTMF on my GrandStreams all the time and it works perfectly...
Even in Comedian Mail...

    -Chris

----- Original Message -----
From: "Steven Critchfield" <critch at basesys.com>
To: <eric at fnords.org>; "Asterisk Users Mailing List - Non-Commercial
Discussion" <asterisk-users at lists.digium.com>
Sent: Tuesday, August 24, 2004 2:30 PM
Subject: Re: [Asterisk-Users] Inband DTMF is not supported on codec
G.711u-law. Use RFC2833


> On Tue, 2004-08-24 at 14:00, Eric Wieling wrote:
> > On Tue, 2004-08-24 at 12:03, Steven Critchfield wrote:
> >
> > > Inband DTMF is not supported, Use RFC2833
> > >
> > > Go search your kphone configs and fic it to use some out of band
> > > signalling of DTMF.
> >
> > kphone does not support RFC2833 DTMF, only inband DTMF.
>
> Then don't use kphone, it will only cause you more grief down the road.
> --
> Steven Critchfield <critch at basesys.com>
>
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