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Re: Device That Interfaces Between Phone/CallerID and Serial Port?

Gordon Burditt (gordonb.dutxl@burditt.org)
Sun, 09 Oct 2005 02:59:47 -0000

> I'm looking for a device that connects between my telephone line
> and the serial (RS232) port on my computer, capturing caller-ID on
> incoming phone calls and using that information to determine whether
> to ring my phone immediately or put up various touch-tone menus
> the caller must traverse.

> What is the correct jargon for such a device? (So that I might do a
> Google search and find the info I seek.)

Assuming you are looking for a device that receives Caller-ID, and the
voice menu stuff is done by something else, I think it's called "a
cheap modem". It needs Caller-ID but it doesn't need 56K or even
33.6k speeds. You don't want to set it up to auto-answer. The
modem's RING response code will include caller-ID if it's set up to
return it.

The various Digium PCI cards used by Asterisk to interface with analog
phone lines let you do a lot more, including the voice menu stuff
itself, but they don't do RS-232.

Gordon L. Burditt

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