AT&T EL51109 user manual Troubleshooting

Appendix C

Troubleshooting

My caller ID isn’t working.

•Caller ID is a subscription service. You must subscribe to 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 (see page 4). The filter prevents noise and caller ID problems caused by DSL interference. Please contact your DSL service provider for more information about DSL filters.

Common cure	If the telephone does not seem to be responding
for electronic	normally, try putting the cordless handset in the
equipment.	telephone base. If it does not seem to respond, do the
	following (in the order listed):
	•	Disconnect the power to the telephone base.
	•	Disconnect the cordless handset battery, and spare
		battery, if applicable.
	•	Wait a few minutes.
	•	Connect power to the telephone base.
	• Re-install the battery, and place the cordless handset
		into the telephone base.
	•	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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