What feature allows the panel to call the central station to report a communicator test at a specified interval?

The feature that allows the panel to automatically call the central station to report a communicator test at specified intervals is known as the auto test. This function is integral to maintaining the reliability and operability of alarm systems. By performing these tests at regular intervals, the system ensures that communication lines are functioning correctly and can transmit alerts in case of an intrusion or emergency.

This proactive approach helps in identifying issues such as malfunctioning equipment or communication failures before they become critical problems, thereby enhancing the overall security system's effectiveness. By utilizing the auto test feature, users can have peace of mind knowing that their system is routinely checking itself and confirming its ability to alert authorities when necessary.