Allows two-way communication with a central station after an alarm, paging and listening from an on-premises or remote phone, annunciation of alarm and zone by voice and voice messaging. After an audible alarm, the module allows the central station to control the listen/talk mode. After a silent alarm, the module allows listen in only. Have your system announce messages based on events in the home or business. For example, Guest at front gate or Back Door Open. Even receive reminders for medication or to set out your recycling. When a fire or security alarm is tripped, instruct intruders that the police are en route or calmly guide children outside during a fire.