Wired Room Intercom Project

CAT5 Intercom using Analog phones

two station

• http://www.instructables.com/id/CAT5-Intercom/
• http://boingboing.net/2014/02/05/howto-make-an-intercom-out-of.html
• http://makezine.com/projects/simple-intercom-from-a-pair-of-old-corded-phones/

The idea of using standard telephones as room intercoms.