FHF FernTel 3 - Restrictions and Access Control; Restriction Options and Direct Call

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Restrictions
Under Restrictions, use the and keys to display the following sub-menus:
- Activate
- Direct call number
Activate
Choose from
- none The telephone is not restricted.
- Telephone book Numbers can be dialled from the telephone book
only.
- Direct call When pressed, all keys except the Disconnect key
and the
key dial the direct call number.
- Total lock The telephone is fully restricted. Calls can be
received only.
Direct call number
Here, enter the number to call when Direct call is enabled.
Lift restrictions by pressing the
key, in case of total lock, Direct call and exclusive dialling
from the telephone book. You may choose to lift the restrictions on the telephone for good or
just for this one call. You will be required to enter the PIN.
Programming
Using the key you reach the sub menu with the items:
- allowed
- restricted
If you modify the setting, you will be prompted to enter the PIN.
SW version
The software version is shown.
Signalling tones during programming
Tone Number Significance
Acknowledgement tone 1 long tone Completion of a correctly performed
procedure.
Error tone 4 short tones An error occurred within a procedure. The
procedure is cancelled.
PIN tone 1 short tone sequence Prompt to enter the PIN.