Grandstream Networks GXV3370 User Manual page 71

1. Tap on to start adding new entry to the blacklist. The blacklist can be added manually, from contacts, or from call
history.
2. The following figure shows manually adding number to blacklist. Once Manually add option is selected, a window will be
prompted for users to enter the phone number in the first field and name/note in the second field (optional). Tap on OK
to finish the adding operation.
Edit Blacklist
1. In the blacklist, touch and press the entry for about 2 seconds a prompt allowing changing the name/note is displayed
2. Change the name/note.
3. Tap on OK once done.
Delete Blacklist
Users can Delete/unblock contacts from the blacklist using two methods:
Figure 109: GXV3370 Blacklist – Add Number to Blacklist
Figure 110: Manually Add Number to Blacklist