Telephone Entry Systems and Intercom Systems are a method of access control that allows you the ability to talk to the individual before letting them through your gate.
Residential Telephone Entry Systems often us the same phone line as the residence. The entry system will ring your home phones allowing you to decide to let your guest through the gates or not. Most of these systems can call up to three pre-programmed numbers and the gate can be controlled remotely by phones anywhere.
Commercial Telephone Entry Systems use a dedicated phone line. These entry systems are designed for gated communities, apartment building, and other multi-user situations. They can keep records of individual users and can incorporate card readers, proximity sensors & transponders.