I thought about that for awhile myself.  Scratched it as hacking up a
cordless phone seemed like too much trouble to hack into a keyboard while
the proprietary chips onboard seemed not worth hassling with.
    Go to http://www.calmicro.com/prod/telecomm/cm8880.htm  for some good
information on a DTMF transmitter/receiver that I have heard good things
about!



SO.....Whaddya really want??

Carl R, McIver  (usually)
or the wife (Janet) and kids

Pull your head out to send me e-mail!
jncmcivryourhead@gte.net

-----Original Message-----
From: William Chops Westfield <billw@CISCO.COM>
To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Date: Friday, May 08, 1998 8:56 PM
Subject: Re: Transmitting DTMF 1/4 mile - Suggestions for Xmitter ???


>Anybody hacked a cordless phone to provide short range radio control?
>DTMF generators already built in, if you're lucky enough to have them
>go from base to handset via the "intercomm" function.  Add a DTMF decoder
>where the speaker used to be and you should be able to get 12 functions
>"easy."  These days you can get such phones in a variety of ranges and
>with 'encrtyption' as well, although you may quickly leave the "bargin"
>area where the phones have a price advantage...
>
>(Most of a cordless phone should work fine off a DC power supply with no
>actual phone line, right?)
>
>BillW