Pros and Cons of Different types of IP Intercoms
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.