[EMAIL PROTECTED] wrote:
>From: "maverick me" <[EMAIL PROTECTED]>
>
>Is there any open source available that support detection of In-Band DTMF.
>
> The sipX system's voicemail system uses RFC 4733 DTMF. I don't know
> if you consider that to be in-band. If you want to detect and decode
From: "maverick me" <[EMAIL PROTECTED]>
Is there any open source available that support detection of In-Band DTMF.
The sipX system's voicemail system uses RFC 4733 DTMF. I don't know
if you consider that to be in-band. If you want to detect and decode
DTMF out of a real audio stream, that
o maverick me [12/03/08 05:32]:
> Hi All,
>
> Is there any open source available that support detection of In-Band DTMF.
you could be interested in the spandsp library from
http://www.soft-switch.org
Stefan
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Not sure why you would want to detect this application. There isn't any direct
use for the Dual Tone Mult Freq in a IP world. If you a producing DTMF they
only have relevance in Class 4/5 PSTN network. Sip does not connect directly
to any type of Class 4/5 switch only a soft switch that does n
maverick me wrote:
> Hi All,
>
> Is there any open source available that support detection of In-Band DTMF.
I guess that by in band you means actual tones in the audio stream
(RFC 2833 is in band, but with a different codec). Google for
Goertzel algorithm.
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Marc Petit-Huguenin
Home: [EMAIL P
maverick me wrote:
> Hi All,
>
> Is there any open source available that support detection of In-Band DTMF.
Asterisk.
But that has little to do with SIP.
--
Alex Balashov
Evariste Systems
Web: http://www.evaristesys.com/
Tel: (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
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Hi All,
Is there any open source available that support detection of In-Band DTMF.
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