Hi,
of course it is possible after some amplification because of the chip is
sensitive (about 100mV or so).

Regards,
Imre

On Sat, 13 Nov 1999, German wrote:

> Hi!
>
> I've seen a couple of posts about Mitel's MT8870 and
> I would like to know if I can get it to recognize DTMF tones
> using a MIC on chip input or these chips can only be interfaced
> to the phone line.
>
> Thanks!
> ------------------------------------
> netQ <netquake@innocent.com>
> http://virtuaweb.com/picprog
> "Home of amateur PIC programmers..."
>
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