On his blog, [Kenneth Finnegan] recently showed off a replica of a fun toy he used to play with as a kid, a telephone intercom system. The setup is pretty simple, requiring little more than a pair … ...

Inglewood, CA – DoorKing is introducing the model 2112evolve Video Telephone Entry System to its line of telephone entry and access control products. The cloud based system can store virtually ...

For over 35 years, Alpha Communications® has manufactured and supplied intercom, video-intercom, nurse-call, emergency-call, area of refuge, room status, telephone entry, bank teller queue ...