The CLI information placed into outgoing SETUP messages when this call details is used to generate an outgoing
call. The value 'off' means that no CLI information in placed in the SETUP message. The value 'calling' means that
the calling number from the call details entry is placed in the SETUP message. The value 'interface' means that
the Q.931 interface number for the interface and DLC on which the call is made is placed in the SETUP message. The
value 'nonumber' means that the CLI information element is placed in the SETUP message with no number information.
The network will fill the number in.