1. Press the INT button
2. Key in the number of the other handset
3. On the other handset, press the CALL button to answer
1. Press the MENU/OK button, then press the RIGHT arrow button, until “DE-REGISTER” is
displayed on the screen, then press MENU/OK
2. Type the PIN code (default is 0000) and press MENU/OK
3. Key in the number of the handset that you want to remove and press MENU/OK
4. If handset de-registration is not successful, it will prompt to input the number of the
handset again, just repeat step 3