AVR-Chat

cell phones' caller ID is done as digital data on the control channel -
which is where calls are initiated and paging (ring) messages happen, plus
handoff coordination.

-----Original Message-----
From: fnatmed [mailto:fnatmed@yahoo.com]
Sent: Tuesday, December 21, 2004 4:35 PM
To: AVR-Chat@yahoogroups.com
Subject: [AVR-Chat] Re: Source of Caller ID Chips




--- In AVR-Chat@yahoogroups.com, "Greg Koss" <gkoss@n...> wrote:
>
> Hi All,
>
> To deviate from the main topic a bit, I am looking for a source of
> Caller ID chips. I would rather work with the HT9032 series or the
> MC14LC5447.  I can not find a source of these chips that is within
> the price range of a hobbyist.  Does anyone out there now of a
source
> for any of these chips, must be DIP, or another chip that does
Caller
> ID?  Thanks for all your help.

Every phone out there does CallerID these days.  What do the big
boys use for it ?  Cellphones are compute monsters, so they probably
do it all in firmware ...  Come to think of it, so are most cordless
phones too.

Hrm - opportunity ?  SOme do a TinyAVR as a CallerID decoder ?

Dean.







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