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Re: [Discuss-gnuradio] DTMF, AFSK1200 gnuradio block

From: David Burgess
Subject: Re: [Discuss-gnuradio] DTMF, AFSK1200 gnuradio block
Date: Sun, 30 Nov 2008 14:15:46 -0800

Griff -

The DTMF support for OpenBTS won't do you much good. GSM dosn't really send 
in-band DTMF but uses out-of-band messages to indicate keypresses. Ticket 
#318 is about implementing those messages. Not the problem you're trying to 

-- David
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...... Original Message .......
On Sun, 30 Nov 2008 16:20:14 -0500 address@hidden wrote:
>Hello all:
>I'm new to gnuradio.  Is anyone working on a gnuradio block that can 
>detect DTMF tones, or 1200 baud AFSK (packet radio)?
>Can this be done (in python) using existing gnuradio filter blocks?
>I've been using multimon 
>to decode DTMF, etc., but I'd like to do it in gnuradio.
>I see that gnuradio.org/trac/ticket/318 is titled "Support DTMF", 
>but evidently this is some type of support needed by OpenBTS.
>This message was sent on behalf of address@hidden at openSubscriber.com
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