Gigaset E720 Manual page 60

Protection against unwanted calls
Only put through known callers
The system PIN is not 0000 (default).
Changing the system PIN:
Only callers entered in the directory are put through:
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. . . use
( = enabled)
When the function is enabled, the
As soon as one of your contacts changes his or her number, this number must also be
changed in the directory. Otherwise you will no longer receive calls from this
contact.
Black list
When the black list function is activated, calls from black list numbers are not indicated or are
only indicated in the display. These settings apply to all registered handsets.
The black list is enabled when Silent Call or Block Call is selected as the protection mode.
Displaying/editing the black list
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Edit Blocked Numbers
options:
Create an entry:
Delete an entry:
Transferring a number from a call list to the black list
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Missed calls OK
Setting the protection mode
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Edit Protection Mode
No Protection
Silent Call
Block Call
Save settings:
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p. 82
to select Select Services
icon is shown on the display.
to select Settings
OK . . . the list of blocked numbers is displayed . . . possible
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New . . . use
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. . . use to select an entry
to select Call Lists
. . . use to select entry
to select Settings
OK . . . use
All calls are indicated, including from callers whose numbers are on
the black list.
The telephone will not ring and the incoming call will only appear in
the display.
The telephone will not ring and the incoming call will not appear in
the display. The caller will hear the busy tone.
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Save
OK Just Friends
OK Telephony
to enter a number
Delete . . . the entry is deleted
OK . . . use to select Accepted calls/
Options Copy to Blacklist
OK Telephony
to select desired protection
Change
OK Black List
Save
OK
OK Black List