Grandstream GXV3275 User Guide - Manual (Page 112)

Firmware Version 1.0.3.30 GXV3275 User Guide Page 110 of 187
4. A dialog will pop up for users to confirm. Tap on OK to restore this number to call history and the number
will be removed from blacklist.
DELETE BLOCK HISTORY
1. In the block history, touch and press the entry for about 2 seconds until checkbox displays.
2. Tap on the checkbox for the entries to be selected. indicates the entry is selected.
3. Tap on to delete the selected entries.
Users could also tap on directly to clear all block history logs.
EDIT BLACKLIST
Tap on and users will see all the blacklist numbers.
ADD BLACKLIST
1. Tap on to start adding new entry to the blacklist. The blacklist can be added manually, add from
contacts, or added from call history.
Figure 86: GXV3275 Blacklist - Add Blacklist