[coco] Caller ID

George's Coco Address yahoo at dvdplayersonly.com
Sun Feb 12 07:42:03 EST 2006


----- Original Message ----- 
From: "Aaron Banerjee" Sent: Sunday, February 12, 2006 6:42 AM

<snip>
> Coco-related:
>   Many years ago, there was an article in "Electronics Now" that showed
> the format for (telephone) caller ID.  It was a series of signals sent
> between rings that happened to use 1 cycle at 2400hz to be "1" and one
> cycle 1200hz to be "0".  The format only accomodated for a number.  Does
> anyone happen to know the current format for caller ID?  I had thought at
> one time to use the coco cassette to build a soft caller-id box (you could
> have fun with that one -- IF NUMBER="telemarketer" then HANGUP).  I was
> thinking of using the ring signal (of course adequately protecting the
> coco against it) as some sort of trigger.
>   I was hoping someone on the list had a more modern knowledge of this
> type of thing than me.  Any insight would be appreciated.  Thanks.
>                       - Aaron

 I too, had thought of doing something like this.

 When I read this, a bell rang and I decided to do a search for info on the 
caller ID (CID) thng.
 This link does not reveal the baud rate. It does show the format.

http://picbasic.com/resources/callerid.htm

George 




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