Troubleshooting
System Telephone Problems
11-5
System Telephone Problems 11
The following section discusses system telephone problems.
System Telephone Does Not Ring 11
Possible Cause 1: Ringer volume is set too low.
What to do: Press the volume control button while the telephone is idle and the handset is in the
cradle.
■ If the telephone rings increasingly louder, the problem is solved.
■ If the telephone still does not ring, go to Possible Cause 2.
Possible Cause 2: The Do Not Disturb or Call Forwarding feature is turned on.
What to do: Check to see if Do Not Disturb or Call Forwarding is turned on.
■ If Do Not Disturb or Call Forwarding is turned on, turn it off.
■ If Do Not Disturb or Call Forwarding is not turned on, go to Possible Cause 3.
Possible Cause 3: Line Ringing is programmed for No Ring or Delayed Ring.
What to do: Check the Line Ringing setting for the extension.
■ If Line Ringing is set for No Ring or Delayed Ring, change the setting if appropriate.
■ If Line Ringing is set for Immediate Ring and this telephone is part of a combination
extension, see “Problems with Combination Extensions” on page 11-16.
■ If Line Ringing is set for Immediate Ring and the telephone is on an extension by itself, go to
Possible Cause 4.
Possible Cause 4: Telephone is faulty.
What to do: Unplug the cord from the base of the problem telephone. Then plug the cord into a
telephone that you know rings properly.
■ If the replacement telephone rings properly, the problem telephone is defective. Call the
helpline to arrange for a replacement.
■ If the replacement telephone does not ring properly, call the helpline number listed on the
front, inside cover.