AT&T TL9178, TL91378, TL91178, TL91278 user manual Troubleshooting

Appendix D

Troubleshooting

My caller ID	•	Caller ID is a subscription service. You must subscribe to
isn’t working.		this service from your local telephone company for this
		feature to work on your phone.
	•	Your caller must be calling from an area that supports
		caller ID.
	•	Both you and your caller’s telephone companies must
		use caller ID compatible equipment.
	•	If you subscribe to high-speed Internet service (digital
		subscriber line - DSL) through your telephone lines, you
		must install a DSL filter between the telephone base
		and the telephone wall jack (page 7). The filter prevents
		noise and caller ID problems caused by DSL interference.
		Please contact your DSL service provider for more
		information about DSL filters.
System does	•	Make sure you subscribe to caller ID with call waiting
not receive		features provided by your local telephone company.
caller ID when		Caller ID features will work only if both you and the
on a call.		caller are in areas offering caller ID service, and if both
		telephone companies use compatible equipment.
Common cure	If the telephone does not seem to be responding normally,
for electronic	try putting the cordless handset in the telephone base or
equipment.	charger. If it does not seem to respond, do the following (in
	the order listed):
	1.	Disconnect the power to the telephone base.
	2.	Disconnect the cordless handset battery, and spare
		battery, if applicable.
	3.	Wait a few minutes.
	4.	Connect power to the telephone base.
	5.	Re-install the battery, and place the cordless handset
		into the telephone base.
	6.	Wait for the cordless handset to re-establish its
		connection with the telephone base. Allow up to one
		minute for this to take place.

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