AT&T TL92271 User Manual page 114

Appendix
Troubleshooting
Common cure for electronic equipment:
If the telephone is not responding normally, try resetting the telephone. 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. Completely remove the battery. Replace the battery and place the cordless
handset into the telephone base.
6. Wait for the cordless handset to reestablish its connection with the
telephone base. Allow up to one minute for this to take place.
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