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From: synsys!jeffj@uunet.uu.net (Jeff Jonas)
Newsgroups: comp.dcom.telecom
Subject: Re: Why Does Device Cause Ringing to Stop?
Message-ID: <telecom11.118.6@eecs.nwu.edu>
Date: 15 Feb 91 07:10:42 GMT
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Reply-To: Jeff Jonas <synsys!jeffj@uunet.uu.net>
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X-Telecom-Digest: Volume 11, Issue 118, Message 6 of 12


 From TELECOM Digest: Volume 11, Issue 100, Message 6 of 8

>I've been trying to build a box to make key phone's lights flash and
>to implement a hold button.

The July, 1990 edition of {Modern Electronics} magazine features the
schematic of a microprocessor based "phone mate" that provides hold,
recall, timer and catched digits as they're dialed.  The schematics
should be helpful if you don't build the entire thing.


Jeffrey Jonas   jeffj@synsys.uucp   synsys!jeffj@uunet.uu.net