[NTLUG:Discuss] Reading raw serial input?
Steve Baker
sjbaker1 at airmail.net
Mon Sep 17 21:38:59 CDT 2001
George Lass wrote:
>
> As I recall, Caller ID is transmitted @ 1200 Buad using the old Bell 202
> modem standard.
Yes - but that's what actually comes down the phone line. I presume that
the caller ID interface box that our friend here is trying to interface
to is going to decode all that stuff into a simple RS-232 stream. It's
quite possible that it also sends it out at a higher baud rate and with a
different protocol to the data it listens to from the phone line.
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