sundance-communications.com Forums Telephony Discussion Phone & VoIP Systems Inter-Tel Telephones & Systems Inter-tel axxess 8520 calls cutoff

New to this system axxess 8520 customer said calls being cutoff dialtone returning incoming
and outgoing calls intercom calls as well
says she is getting an alarm (system alarm 100 call tech) Any help would be appreciated.

Alarm 100 is excessive data errors from the keyset. They can be caused by a poor connection, a defective keyset, or rarely, a defective keyset port. Repeated alarms will cause an Alarm 101, station lockout.

Start by checking all connections to the keyset – re-punch the cable at both ends, check for corrosion, etc. and replace the keyset line cord. If the problem returns, it’s most likely a defective keyset. You can swap with another extension to see if the problem follows the keyset.