Intercom and Telephone Entry Systems are methods of access control that allow two parties to communicate prior to one granting entry access to the other. These are the popular entry systems you've seen and used on various apartment complexes and residences where someone "buzzes you in" to grant building entry.
Intercom system lets parties communicate through a voice-over message system.
Telephone Entry System lets parties communicate through land-based or mobile number.
Intercom & Telephone Entry systems are compatible with mobile devices.
Mobile video interfaces for Telephone Entry and Intercom systems provide convenience for entry control.
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