AT&T E5655 user manual Replacing a handset, To de-register all handsets E5640/E5643B/E5644B

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Replacing a handset

If you are replacing a handset on a system which already has the maximum number of handsets registered (4), or wish to change the assigned handset number of your registered handsets, you must first de-register all handsets, then re-register them again.

To de-register all handsets (E5640/E5643B/E5644B)

•Unplug the power supply from the telephone base.

•Plug in the power supply while pressing and holding the HANDSET LOCATOR button on the telephone base.

•Continue pressing HANDSET LOCATOR until the IN USE and CHARGING indicators are lit. This should take about 10 seconds.

•Release the HANDSET LOCATOR button.

All handsets will display:

ENTER BASE ID

Once the base indicators turn off (may take up to 30 seconds), the handsets are de-registered from the telephone base, and can now be re-registered (see page 9).

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Contents GHz Expansion Handset E560-2/E560-5 Need HELP? Information about caller ID with call waiting You may need to change your phone service to use thisTable of contents Handset Quick reference guideBefore you begin Parts checklistLow battery indicator Battery & charger installationAdding new handsets To add a new handset Searching To de-register all handsets E5640/E5643B/E5644B Replacing a handsetTo de-register all handsets E5655 only To re-register a handset Re-registering a handsetEnter Base ID To re-register a handset to a new telephone baseBelt clip & optional headset Troubleshooting Charge BatteryBattery does Does notTelephone When there is anThere is no dial ToneProblem Troubleshooting Not receive caller Hear noiseCordless Handset, None of the keys Or buttons work System doesSystem are CommandsRecord message MessagesFor electronic Day of the weekIs incorrect on Message window Common cureImportant safety information Important safety information Especially about cordless telephones Pacemaker Patients Precautions for users of implanted cardiac pacemakersEspecially about telephone answering systems FCC Part 68 and Acta FCC Part 68 and Acta FCC Part Limited warranty Limited warranty Limited warranty Limited warranty Please retain your receipt as your proof of purchase