This action sends a caller to an external number.
Go to Tools → PBX Features → IVR Editor.
Either Create a new IVR or Modify an existing IVR
To Create a new IVR click on Create IVR Menu
To Modify an existing IVR use the dropdown to Select IVR Menu to Modify. View.
Modify Actions
Create IVR Actions
Action Type: Send to external number
Create Send to External Number Action
Number To Dial- Select a previously set variable, or enter an external phone number.
Outgoing call rules for this number- Check the boxes to allow or deny use of each outgoing call rule (just as you would for Switchvox extensions). See Outgoing Call Rules for details. (WARNING: Use this action with extreme caution because it can be abused by callers.)