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Simple Intercom From a Pair of Old Corded Phones
DIY Hacks and How Tos
VOIP Phone AND intercom system
Cordless Phones Used As Home Intercom
Hack a VOIP Box Into a Telephone Intercom
2 Phone Intercom with Buzzers...
Direct connecting two (old fashioned) modems or telephones.
How to connect two phones at home for an intercom or for children amusement
Build a Bluetooth Intercom for bike rides, motorcycle rides, espionage, general mayhem,…
Using old phones as an intercom
Posted:Jan 13, 2011
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