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What is the model number of the optional accessory handset? How do I register an optional accessory handset unit?

April 26, 2017Handset model REGISTER

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What is the model number of the optional accessory handset? How do I register an optional accessory handset unit?

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The model number for the optional accessory handset is KX-TGA641T or KX-TGA740B. To register an accessory handset to the base unit, perform the following steps: 1. Press [MENU] ->[#][1][3][0] on the Handset. 2. Press and hold LOCATOR on the base unit for about 4 seconds until the registration tone sounds. 3. Press [OK] on the handset, then wait until a long beep sounds from the handset. • 10.