Question: In which direction is the User-User Information Element included in the RELEASE COMPLETE message?
Option 1: Network to Mobile Station
Option 2: Mobile Station to Network
Option 3: Both directions
Option 4: Neither direction
Explanation: The User-User Information Element is included in the mobile station to network direction when the RELEASE COMPLETE message is used to initiate call clearing, allowing the mobile station to pass user information to the remote user at call clearing time.