AT&T TL92270 User Manual page 97

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. 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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