Siemens Hicom 300 E - Manual (Page 46)

Step by Step
Telephone settings
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Locking your telephone
You can prevent unauthorized persons from using your
telephone (and the telephone directory) during your ab-
sence.
Precondition: You have been assigned a personal iden-
tification number (PIN) by System Support.
Preventing unauthorized dialing:
Press the key. The lamp lights up .
?@
Enter the service code.
or
Select and confirm.
Select and confirm.
and
In the case of optiPoint 50 0 advance, optiPoint 500 ba-
sic and optiPoint 50 0 standard with chip card
reader: Insert the chip card. All lamps light up briefly.
Input is followed by the display:
"Executed".
Remove the chip card again.
Ser vice Menu
P IN / COS?
Chan ge COS?
Insert
chip card
Chip card
reader:
When the telephone is disabled in this way, a
sp ecial dial tone is audible when the handset is
lifted. Internally (within HiPath 400 0), dialing is
possible in the usual way.