AT&T II Maintenance and Customer Support C-5, Problem Possible Cause Do This Then Phone Does

Problem	Possible Cause	Do This	If...	Then...
7. Phone Does	1. Volume control is	Press the volume	Phone rings	Problem is solved.
Not Ring	set too low (MLS- or	control button to	increasingly louder,
	MLC-model phone)	increase ringer	Phone still does not	Go to Possible Cause 2.
	or turned off	volume, or turn ringer
	(standard phone).	on.	ring,
	2. Do not disturb, call	Turn off any Centrex	Phone rings,	Problem is solved.
	forwarding, or a	features.	Centrex feature is not	Go to Possible Cause 3.
	similar Centrex
	feature is turned on.		on,
	3. Equipment feature	Check to see if Do Not	Feature is on,	Turn feature off (press
	Do Not Disturb or	Disturb or Call		programmed button or
	Call Forwarding is	Forwarding is turned		dial feature code).
	turned on.	on.	Feature is off,	Go to Possible Cause 4.
	4. Phone’s Line	Check to see if the	Line Ringing is set	Change programming if
	Ringing option may	phone’s Line Ringing	for “no ring” or	necessary.
	be programmed for	option is programmed	“delayed ring,”
	“no ring” or	for “no ring” or	Line Ringing is set	Phone may be faulty.
	“delayed ring.”	“delayed ring.” Refer
		to page 5-15.	for “immediate ring,”	Follow Procedure for
				Problem 16, page C-8.
	5. Local phone	Connect a standard	Standard phone	Contact your local
	company Centrex	telephone to the	does not ring,	telephone company.
	service may be the	network interface jack	Standard phone	MLS- or MLC-model
	problem.	for the line assigned to
		the extension and	rings,	phone may be faulty.
		make a call to it to test		Follow procedure for
		ringing.		Problem 16, page C-8.
8. Trouble	1. If you are using an	Remove the handset	The problem is	Call the AT&T Helpline*
Hearing	MLS- or MLC-	and cord and	solved,	to order a replacement.
Called Party	model phone,	substitute a handset	The problem is not	Go to Possible Cause 2.
	there may be a	and cord from an MLS-
	problem with the	or MLC-model phone	solved,
	handset.	that you have tested.
	2. If you are using a	See “Speakerphone	The problem is not	Go to Possible Cause 3.
	speakerphone,	Performance Tips” on	solved,
	there may be	page 6-7 for
	environmental	suggestions on the
	factors that affect	proper use of the
	the performance of	speakerphone.
	the speaker or
	microphone (for
	example, back-
	ground noise).
	3. If the system is set	Reset the Rotary	You can hear the	The problem is solved.
	for rotary dialing,	Dialing Timeout (#108)	called party answer,
	the Rotary Dialing	interval. Refer to page	The problem is not	Call the AT&T Helpline*.
	Timeout interval is	5-12.
	too long. (If equip-		solved,
	ment is set for
	touch-tone dialing,
	you may have a
	faulty phone or cord.
	See Problem 16,
	page C-8.)

*In the U.S., help is available 24 hours a day at 1 800 628-2888. In Canada call your local AT&T authorized dealer.

Maintenance and Customer Support C-5