Caller Id Suppression; Silent Monitor - T-Mobile Octopus F100 Operating Instructions Manual

Step by Step
>
Suppress call ID?
>
Restore caller ID?
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Caller ID Suppression

You can prevent your station number or name from appearing on the
displays of external parties you call. The feature remains active until
you deactivate it.
:
Select and confirm.
or
:
or
Enter code for "suppress" or "restore".
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or

Silent Monitor

If this function has been configured (contact your service personnel),
you can join a call already in progress at an internal station and listen
in unnoticed.
Enter the code.
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Enter the internal station number.
Your service personnel can turn caller ID suppression on and
off for all telephones.
Private Sphere/Security
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