Locking Another Telephone to Prevent Unauthorized Use

If this function has been configured (contact System Support), you can lock other telephones to prevent unauthorized use, and later unlock them again. 

You can use this function to unlock the telephone for users who have locked their telephones and then forgotten their PINs. 

Step by Step
	Lift the handset.
	Enter the code.
	Enter the internal number of the telephone that you want to lock or unlock.
	Enter the code for "Changeover on".
or
	Enter the code for "Changeover off".