VTech cs5121 important safety instructions Remove and re-insert the battery

Troubleshooting

Problem	Suggestion
I hear other calls when	•	Disconnect the telephone base from the telephone jack. Plug in a different telephone. If
using the telephone.		there are still other calls, the problem is probably in the wiring or local service. Call your local
		telephone company.
	• Press CHAN/REMOVE to switch to a clearer channel when on a call.
I hear noise in the	•	Make sure the telephone line cord is plugged in securely.
handset, and none of	•	Remove and re-insert the battery.
the keys or buttons
work.
My caller ID features are	•	Caller ID is a subscription service. You must subscribe to this service from your local telephone
not working properly.		company for 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 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. The filter will prevent noise and caller ID problems caused by DSL interference.
		Please contact your DSL service provider for more information about DSL filters.

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Appendix