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- Path: sparky!uunet!usc!howland.reston.ans.net!spool.mu.edu!vms.csd.mu.edu!1012BREUCKMA
- From: 1012breuckma@vms.csd.mu.edu
- Newsgroups: alt.dcom.telecom
- Subject: Re: How does caller ID work?
- Date: 26 Jan 1993 03:44:57 GMT
- Organization: Marquette University - Computer Services
- Lines: 14
- Message-ID: <00967282.773252A0@vms.csd.mu.edu>
- References: <michaelm.727416353@extro.ucc.su.OZ.AU> <C14wy0.Aqy@hatch.socal.com>,<ckirby.727980782@silver.cs.umanitoba.ca>
- Reply-To: 1012breuckma@vms.csd.mu.edu
- NNTP-Posting-Host: vmsf.csd.mu.edu
-
- In article <ckirby.727980782@silver.cs.umanitoba.ca>, ckirby@silver.cs.umanitoba.ca (Chris Kirby) writes:
- > So, theoretically, one could modify and old 1200 baud modem to use the
- >modified tones (or even just pass the signal through some kind of filter to
- >transform the tones to normal 1200 baud tones) and have caller ID for free?
- >I've kind a smattering of the concepts here, but I'm not sure if this is
- >possible, could someone who knows better fill me in?
- > BTW, when I say free, I mean in the sense that I wouldn't have to go
- >out and by a caller ID phone.
-
- Right, but not the "older" 212a modem, the really older 1200 half duplex
- ones...
- As caller id boxes become more and more consumer items, it won't be worth
- your trouble, they'll be low cost or built into some of the better phones
- that already have a display.
-