Getting a dialer error #2 at the central station. What is this error and what causes it SC4000, SC3100, SC2104, D6690, RF2000, D6695, SC9000, ST-1000, D6200
We are getting a dialer error #3 at the central station, what causes the dialer error #3? SC4000, SC3100, SC2104, D6690, D6695, RF2000, SC9000, D6200, ST-1000