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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.

TELEPHONE HOLD
xx   TELEPHONE

Computerized music-on-hold adapter plays a rendition of a Mozart piece. Est. cost: $50.
COMPUTERCRAFT Sep 1992 (v.2#9) pg. 34

How to add FM music on hold to any analog telephone line with a Touch Tone telephone. Est. cost: $70.
ELECTRONICS EXPERIMENTERS HANDBOOK 1993 pg. 84

Simple circuit adds a hold button to any telephone.
ELECTRONICS EXPERIMENTERS HANDBOOK 1994 pg. 112

Build a telephone hold circuit that works from any touch-tone phone in your home, even cordless phones. The # key is used to activate the hold function. Est. cost: $50 (kit).
ELECTRONICS EXPERIMENTERS HANDBOOK 1996 pg. 36

Electronic telephone hold button allows you to place the receive back on the hook without breaking the connection. Est. cost: $5 (kit).
ELECTRONICS HOBBYISTS HANDBOOK 1991 pg. 33

Telephone hold button can be added to any receiver.
ELECTRONICS NOW Nov 1992 (v.63#11) pg. 45

Build a telephone hold circuit that works from any phone, even cordless. It uses the # key to activate the hold function. Est. cost: $50.
ELECTRONICS NOW Apr 1995 (v.66#4) pg. 39

CallDirector. Bring the advantages and conveniences of a PBX system to your home or small-office telephone system. Also functions as an intercom system. Est. cost: $144 (kit).
ELECTRONICS NOW May 1997 (v.68#5) pg. 29

Fone mate. This computerized telephone accessory provides hold, recall, warble-tone ringing, 12- or 24-hour clock display and dialed-digit display function.
MODERN ELECTRONICS [2] Jul 1990 (v.7#7) pg. 22

Music-on-hold circuit uses a AM or FM radio to provide the music.
MODERN ELECTRONICS [2] Dec 1990 (v.7#12) pg. 46

Music-on-hold box. Pressing a button will activate the hold function and play a tune until the handset is lifted again to continue the conversation. Est. cost: $11.
POPULAR ELECTRONICS [2] Dec 1991 (v.8#12) pg. 53
Added Info POPULAR ELECTRONICS [2] Mar 1992 (v.9#3) pg. 3

Telephone hold circuit allows you to hang up one phone and move to an extension without losing the call.
POPULAR ELECTRONICS [2] Feb 1993 (v.10#2) pg. 72

Circuit that adds a hold function into an existing telephone.
POPULAR ELECTRONICS [2] Dec 1997 (v.14#12) pg. 64

Telephone "on-hold" circuit will completely silence conversations on both ends of the phone line.
POPULAR ELECTRONICS [2] Mar 1998 (v.15#3) pg. 30

FM music on-hold accessory for your telephone. Est. cost: $70 (kit).
RADIO-ELECTRONICS Nov 1991 (v.62#11) pg. 58