This telephone insert module allows calls to be made into the PA system from a telephone line. It is equipped with an adjustable chime that is played at the beginning of the call. It provides a dry contact during the call (NO).
It can play pre-recorded digital audio messages which can be triggered from the 6 input contacts. The use of the digital compression format MP3 or WAV allows the broadcasting of quality messages, stored directly on the SD card delivered and integrated with the sonovac.