Getting started
Deregister all handsets
You may need to deregister your handsets if you already have ten registered handsets and need to replace a handset, or if you wish to change the assigned numbers of your registered handsets.
You must first deregister ALL the handsets, and then
Please read carefully through all the instructions in this section before beginning the deregistration process.
This process deregisters all extensions registered to the telephone base. Please make sure the telephone system is not in use before deregistration.
1.On the telephone base, press MENU/ENTER.
2.Scroll down to Registration and press
MENU/ENTER.
3.Scroll down to Deregistration and press
MENU/ENTER.
4.The telephone base screen shows Deregister all handsets? <=No >=Yes. Press 
REP to exit or press SKIP
to continue the deregistration.
5.The telephone base screen shows Deregistering. It takes up to 10 seconds to complete the deregistration. The screen shows All handsets deregistered and the telephone base beeps when deregistration is successful.
COVM
Speed dial setup Customer support
>Registration
HS registration Cordless headset
>Deregistration
Navkey
Deregister all handsets?
<=No =>Yes
Deregistering
All handsets deregistered
10
