How Intercom Work

Integrating intercom and communication devices door-to-phone networks intercom is possible in many cases to integrate the functions of intercom devices, also found on the doors of an apartment or a house, to the phone system. In such a case, participants can call to communicate with visitors at the door via the telephone system using the intercom function.

When a visitor rings the door bell, and pointed in the same way as the intercom function allows communication with visitors like a regular phone call phone call. If the integration of mobile phones in the phone system, then intercom function with the visitors could, in principle, can be used in any desired location. Mostly, it is also possible to open the door directly via phone by pressing certain function keys