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FortiVoice Phone System Administration Guide

Blocking extensions

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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

  1. Go to Security > Blocked Number.
  2. Click New.
  3. Enter the extension you want to block.
  4. Click Create.
  5. Click Setting.
  6. In PBX Setting, enable System block list.
  7. Click Apply.
  8. 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

  1. Go to Security > Blocked Number.
  2. Select a blocked number in the list.
  3. Click Delete.

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

  1. Go to Security > Blocked Number.
  2. Click New.
  3. Enter the extension you want to block.
  4. Click Create.
  5. Click Setting.
  6. In PBX Setting, enable System block list.
  7. Click Apply.
  8. 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

  1. Go to Security > Blocked Number.
  2. Select a blocked number in the list.
  3. Click Delete.