Telecommunications
This directory is for files dealing with telephones and other forms of
telecommunications.
Files in this directory:
- callid.tar.Z
-
This package contains information on constructing a circuit to deal
with caller ID.
The 68hc11 executable code expects to be run out of an EPROM
residing at C000-FFFF. See the schematics for memory map
details. The source hasn't been released at this time, since it
is a project in the works.
For more information on the project, contact the author at
grantb@nait.ab.ca.
- faq4phon.doc
-
This document contains some information on how to keep extension
phones from foiling a modem connection, as well as a brief summary of
voltages and signals over phone lines.
- phoneinuse.asc
-
This circuit will let you determine if your phone line is in use.
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level of Cookbook Archive.
If you have any questions about the Circuit Cookbook archive or these
Web pages, please contact Dan Charrois.