�1����
Scope����������
�2����
References�
�3����
Definitions�
������� 3.1����
Terms defined elsewhere�����������
������� 3.2����
Terms defined in this supplement������������
�4����
Abbreviations and acronyms
�5����
Conventions�������������
�6����
Overview of interworking between NGNs and legacy IP-based networks��������������
�7����
Requirements for interworking between an NGN and a legacy IP-based
network
������� 7.1����
Support of end-to-end QoS��������
������� 7.2����
Support of mobility and accessibility�����
������ �7.3����
Support of security�������
������� 7.4����
Support of signalling, naming and addressing������
������� 7.5����
Support of user and terminal profile information exchange������������
Appendix I � An example of interworking between a legacy IP-based
network and NGN����
Appendix II � Interworking function between NGN and legacy IP-based
network����
Bibliography����