Wired Room Intercom Project
From Free Knowledge Base- The DUCK Project: information for everyone
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.
