AT&T 993 2-Line user manual One-touch operation beginning on, NEW Call light flashes

Appendix

Troubleshooting

My caller ID	•	Caller ID is a subscription service. You must subscribe
features are not		to this service from your telephone service provider for
working properly.		this feature to work on your telephone.
	•	The caller may not be calling from an area which
		supports caller ID.
	•	Both you and the caller’s telephone companies must
		use equipment which are compatible with caller ID
		service.
	•	If you subscribe to Digital Subscriber Line (DSL) high-
		speed Internet service through your telephone line, you
		must have a DSL filter between the telephone base and
		the telephone wall jack. The filter prevents noise and
		caller ID problems caused by DSL interference. Please
		contact your DSL service provider for more information
		about DSL filters.
The system	•	Make sure you subscribe to caller ID service with call
does not receive		waiting provided by the telephone service provider.
caller ID or the	•	The caller may not be calling from an area which supports
system does not		caller ID.
display caller	•	Both you and the caller's telephone companies must use
ID during call		equipment which are compatible with caller ID service.
waiting.	•	If you subscribe to Digital Subscriber Line (DSL) high-
		speed Internet service through your telephone line, you
		must have a DSL filter between the telephone base and
		the telephone wall jack. The filter prevents noise and
		caller ID problems caused by DSL interference. Please
		contact your DSL service provider for more information
		about DSL filters.
Difficulty storing	•	Make sure you are pressing the correct sequence of
numbers in		buttons for storing numbers in one-touch locations. See
memory.		One-touch operation beginning on page 38
Problems with	•	Make sure all plugs are connected properly. Inspect
LINE lights.		the line cord connections at the modular jack(s) and
		at the telephone.

A NEW CALL light flashes.

•Make sure you have reviewed all of the voicemail message(s). If you have reviewed all of the voicemail message(s) and a NEW CALL light remains flashing, your phone may have received a false signal from your voicemail service provider. If you have no new voicemail messages, follow the directions in Turn NEW CALL light off on page 25.

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