1. Go to the "Call routing" → "TrunkGroups" menu.

  2. CLick the button. 

  3. Fill in the "Title" field. Specify a name that describes the purpose of the route you are creating.

  4. In the “TrunkGroup members” field, select "FXO lines".
  5. In the “FXO line” block, select the FXO ports that will be included in this group.

  6. Click the “Apply” button.