Avaya 518-456-804 manual Telephone Problems, Problem Check this

7 If Something Doesn’t WorkQuick Reference Guide

Telephone Problems

Telephone Problems

Problem...	Check this...
Telephone doesn’t ring	Ringer volume may be too low.
	Do Not Disturb or Call Forwarding may be turned on.
	Line Ringing may not be set to Immediate.
	Telephone may be faulty; switch telephones and try
	again.
	If MLC 6 telephone, is Unique Line Ringing (#209)
	set to a pattern other than 1?
Display shows only 16	Possible power outage; unplug the modular
characters per line	telephone cord and replug.
Display time and date	Is your system’s clock correct? Use System Date
aren’t right	(#101) and System Time (#103) to set the date and
	time.
Caller ID doesn’t work	Are you subscribed to Caller ID?
	Is the line connected to a module that supports Caller
	ID?
	Did someone activate Call Coverage? If so, their
	extension number will appear.
Telephone Doesn’t Work	Is the telephone cord plugged into the right jack on
	the bottom of the telephone?
	Telephone may need to be reset; unplug the cord,
	and with the handset hung up, replug.
	Telephone cord may be defective; switch cords and
	try again.
	Telephone may be defective; switch telephones and
	try again.
	There may be a problem with the control unit; switch
	to a different port and try again.

90 Telephone Problems