�1����
Introduction
�2���� Scope
�3����
References
�4����
Definitions
�5����
Abbreviations
�6����
Interworking
������� 6.1���� Numbering plans
������� 6.2���� Methods
������� 6.3���� Terminal dialling procedures
�7����
Interworking diagrams
����� ��7.1���� Conventions used
in the interworking diagrams
������� 7.2���� Index of interworking diagrams
������� 7.3���� Interworking diagrams