Stephen,
most common way I have seen is to use DTMF decoder chip interfaced with
pic to display numbers. the pic will get decoded data and output it to
LCD.
If you use serial display you can use 12c509.

Andre Abelian

Stephen wrote:

> Does anybody know how the thread turned out on DTMF detection via the
> PIC? Is it possible, or would a Scenix chip be required.
>
> I've been away but I'm interested in the topic...
>
> Stephen