There are two types of intercoms. The first type connects many intercoms to a number of central computer stations, while the second type connects one intercom to many smartphones or VoIP phones.
In general, IP intercoms can be used to notify you that someone is at the door or provide communication between many locations (like schoolrooms) and a central office. The intercoms are all wired to the local area network.
These complete systems enhance your total security, assuring a safe environment in this uncertain world. Here is a comparison of the different systems available.
This article was updated on 10/15/2019 to include new IP paging systems.
There’s more to security than door access control, intrusion alarms, and video surveillance. It is also important to tell people what to do in an emergency. Emergency public notification is one of the important applications for IP paging and intercoms. There are also many other new applications possible with the latest IP paging and intercom systems.
Remember the old days of 500-watt amplifiers with hundreds of speakers attached. It was almost impossible to provide multiple buildings, public address systems. The great thing about network-attached paging systems is that everywhere you have a network, you can install a small network-attached amplifier.