Siemens hicom 150 H optiset E standard Operating Instructions Manual page 47

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Program/Service
*
93=Change PIN?
Enter the telephone lock PIN (Æ page 47).
While the telephone is locked, a special dial tone
sounds when you lift the handset. You can con-
tinue to dial internal numbers as usual.
Your telephone can also be locked or unlocked
again by an authorized party (Æ page 64).
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To prevent unauthorized persons from using your tele-
phone (Æ page 46) and to use another telephone like
your own (Æ page 59), you need to enter a personal
identification number, which you can save yourself.
Press the key. The LED lights up.
Confirm.
or
Enter the PIN.
Enter the current five-digit PIN.
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 System Support,
who can reset your PIN to "00000".
An authorized party (Æ page 64) can also lock
and unlock your telephone.
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