�1���� Scope����������
�2���� References
�3���� Definitions�
������� 3.1���� Terms defined elsewhere��������
������� 3.2���� Terms defined in this Recommendation������������
�4���� Abbreviations and acronyms�������������
�5���� Conventions�������������
�6���� System model����������
������� 6.1� ���Scenarios considered�
������� 6.2���� Elements that should be considered���
������� 6.3���� Communication between applications on the devices�
������� 6.4���� Scenario 2: Communications across resident applications in the
devices�������������
�7���� Requirements����������
�� �����7.1���� General requirements���������������
������� 7.2���� Required functions for integration initiated by broadcast
services on STB or TV set�������
������� 7.3���� Required functions for integration initiated by mobile devices
������� 7.4���� Required functions for the use of the network outside the home
network�������
Appendix I � Application cases and possible technologies����
Appendix II � Technologies currently used for second screen services����
������ II.1���� Automatic content recognition based on main content���������������
�� ����II.2���� Manual content recognition process using social TV or TV
companion applications���������
������ II.3���� Unsolved questions on current second screen solutions������������
������ II.4���� A second screen solution based on an open standard based on [b-ITU-T J.202] (such as Ginga)����
Bibliography����