Simply pick up any telephone handset and press "#" or "*" twice to begin speaking to the visitor.
A Simple Basic Intercom
New from Holovision. These products incorporate speaker/microphone, camera, and biometric entry into one unit.
New Biometric Systems
Entry Systems are available in many choices including brushed nickel, stainless steel,
or gold electroplate to name a few. They can have the characteristics of a high-
When someone rings the bell the phone will ring and the TV can switch over to the camera showing you who is at the gate. Choose from a wide variety of brands that suite your decor and function.