Call-Transfer-Operations {itu-t recommendation h 450 2 version1(0) call-transfer-operations(0)}
  + H225-generic-parameters-definition {itu-t recommendation h 450 1 version1(0) h225-generic-parameters(6)}
  + Remote-Operations-Information-Objects {joint-iso-itu-t remote-operations(4) informationObjects(5) version1(0)}
  | - Remote-Operations-Useful-Definitions {joint-iso-itu-t remote-operations(4) useful-definitions(7) version1(0)}
  |   + Remote-Operations-Generic-ROS-PDUs {joint-iso-itu-t remote-operations(4) generic-ROS-PDUs(6) version1(0)}
  |   | -@ Remote-Operations-Information-Objects {joint-iso-itu-t remote-operations(4) informationObjects(5) version1(0)}
  |   -@ Remote-Operations-Information-Objects {joint-iso-itu-t remote-operations(4) informationObjects(5) version1(0)}
  + Manufacturer-specific-service-extension-definition {itu-t recommendation h 450 1 version1(0) msi-definition(18)}
  + H4501-General-Error-List {itu-t recommendation h 450 1 version1(0) general-error-list(1)}
  | - Remote-Operations-Information-Objects {joint-iso-itu-t remote-operations(4) informationObjects(5) version1(0)}
  |   - Remote-Operations-Useful-Definitions {joint-iso-itu-t remote-operations(4) useful-definitions(7) version1(0)}
  |     + Remote-Operations-Generic-ROS-PDUs {joint-iso-itu-t remote-operations(4) generic-ROS-PDUs(6) version1(0)}
  |     | -@ Remote-Operations-Information-Objects {joint-iso-itu-t remote-operations(4) informationObjects(5) version1(0)}
  |     -@ Remote-Operations-Information-Objects {joint-iso-itu-t remote-operations(4) informationObjects(5) version1(0)}
  + Addressing-Data-Elements {itu-t recommendation h 450 1 version1(0) addressing-data-elements(9)}
  | - H323-MESSAGES 
  |   + MULTIMEDIA-SYSTEM-CONTROL 
  |   - H235-SECURITY-MESSAGES 
  - H323-MESSAGES 
    + MULTIMEDIA-SYSTEM-CONTROL 
    - H235-SECURITY-MESSAGES