[asterisk-dev] Can Asterisk detect A,B,C,D DTMF signals

[Don Kelly]

According to my rusty German, it's limited to use as a telephone extension.
Better avoid using it as a boat anchor, bludgeon or conversation piece.

--Don

Don Kelly

PCF Corp
People Come First
651 842-1000
888 Don Kell(y)
651 842-1001 fax

-----Original Message-----
From: asterisk-dev-bounces at lists.digium.com
[mailto:asterisk-dev-bounces at lists.digium.com] On Behalf Of Andreas Sikkema
Sent: Sunday, June 28, 2009 1:14 PM
To: Asterisk Developers Mailing List
Subject: Re: [asterisk-dev] Can Asterisk detect A,B,C,D DTMF signals

On Jun 28, 2009, at 4:01 PM, Matt Florell wrote:
> As a side note, these DTMF signals have been around for decades, most
> telco infrastructure equipment supports these signals, and you can
> find very old linesman's handsets that have the A-D row of buttons on
> them.

I'm very careful with my ancient telephone which has a full DTMF  
keyboard exactly for this purpose. It's also a lot of fun to test on  
ATAs.

Unfortunately it's only allowed to be used on  
Fernsprechernebenstellenanlagen, so I can use it anywhere I like, I  
have no idea what those are ;-)

-- 
Andreas

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