[BC] Re: Sine Remote with AT&T Cellular now working

[Mark Earle]

OK. But Sine is still selling remotes. Do the newer ones use a different 
IC for TT decode?

It's Ðave wrote:
> I have used in the past, a .1 uf 50V monolithic at the analog audio input
> pin of the DTMF Decoder chip to ground.
> This brought it up to 100% reliability.  Note! Do not blow the chip as
> they are hard to find now.
>
> Dave Riddle
>