Private Sphere/Security
Step by Step
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Locking Another Telephone to Prevent Unauthorized Use
If this function has been configured (contact the service personnel), you can lock other telephones to prevent unauthorized use, and later unlock them again.
You can use this function to unlock the telephone for us- ers who have locked their telephones and then forgot- ten their PINs.
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".
Enter the code for "Changeover off".
Saving Your PIN
To use the functions
•to prevent unauthorized persons from using your telephone Æ Page 35
•to use another telephone like your own Æ Page 38
•to change your call number Æ Page 39
you need to enter a personal identification number, which you can save yourself.
Lift the handset.
Enter the code.
Enter the current
If you have not yet assigned a PIN, use the PIN "00000" the first time you enter it.
Enter the new PIN.
Repeat the new PIN.
If you forget your PIN, contact the service per- sonnel, who can reset your PIN to "00000".
An authorized party Æ Page 36 can also lock and unlock your telephone.
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