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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.


Automatic four-line telephone ring selector allows a single-line answering machine or telephone to answer up to 4 lines. Est. cost: $58 (kit).
ELECTRONICS NOW Aug 1993 (v.64#8) pg. 48

A two-line telephone answering-machine interface that automatically switches a single telephone answering machine between two separate phone lines.
MODERN ELECTRONICS [2] Feb 1990 (v.7#2) pg. 20
Correction MODERN ELECTRONICS [2] May 1990 (v.7#5) pg. 7

Ring director. This accessory permits two or three telephone answering devices (fax, modem, answering machine, ...) to share the same incoming line while providing full outgoing call capability. Uses the "ringback" method of signaling. Est. cost: $25.
MODERN ELECTRONICS [2] Aug 1990 (v.7#8) pg. 26
Added Info COMPUTERCRAFT Oct 1991 (v.1#7) pg. 62 (Upgraded to 4 modes of operation)

Distinctive ring switch can route incoming telephone calls to the appropriate device. One telephone line can accommodate two different telephone numbers using the distinctive ring service from your local phone company. Est. cost: $43 (kit).
POPULAR ELECTRONICS [2] May 1994 (v.11#5) pg. 33

Tip on using a telephone-line switch "backwards" to avoid outgoing line contention between multiple modems and/or fax machines.
POPULAR ELECTRONICS [2] Feb 1998 (v.15#2) pg. 14