Alan Aldaba wrote:
>
> Hi,
>
> Wagner Lipnharski wrote:
>
> > * There are few chips called "call progress indicator" than can tell you
> > if the signal at the line means "busy", "calling", "reverse call", and
> > few others.
>
>         Where can i find out more about these chips, can you pls. specify some
> part numbers and manufacturer ? I think you're much fortunate, here in
> the Philippines, our telco doesn't have a caller id service and our
> access speed is limited to 33.6 K....
>
> all the best,
>
> Alan

Hey Alan, I am sending you this post by a V90 modem operating at 26400
bps, since this is the highest speed I can get from Bellsouth here in
Orlando, believe me or not.

Teltone has several of those chips, for example, the M-980, 1, 2 or 4
Here goes:
http://www.teltone.com/telecom_ics/mini/980-02_mini.html
http://www.teltone.com/telecom_ics/mini/984-01_mini.html
http://www.teltone.com/telecom_ics/mini/982-02_mini.html
http://www.teltone.com/telecom_ics/mini/982-01_mini.html
http://www.teltone.com/telecom_ics/mini/981-01_mini.html