Blocking extensions
For security reasons, if you find any extension has been suffering from attacks by other devices, you may block it to stop the attacks.
To block a number
- Go to Security > Blocked Number.
- Click New.
- Enter the extension you want to block.
- Click Create.
- Click Setting.
- In PBX Setting, enable System block list.
- Click Apply.
Future calls from the number you selected to any extensions on the FortiVoice unit will be blocked. For more information, see Configuring phone system settings.
To unblock a number
- Go to Security > Blocked Number.
- Select a blocked number in the list.
- Click Delete.