�1���� Scope����������
�2���� References���������������
�3���� Definitions and abbreviations�����������
������� 3.1���� Definitions������
������� 3.2���� Abbreviations
�4���� E.164 number structures�����
������� 4.1���� International public telecommunication number for geographic
areas�
������� 4.2���� International public telecommunication number for global
services������
������� 4.3���� International public telecommunication number for networks
�5���� Number portability types����
�6���� Generic implementation of number portability���������
�7���� Entities addressed by routing������������
�8���� Number portability mechanisms������
������� 8.1���� Assumptions��
������� 8.2���� General description����
�9���� Types of addresses and numbers � within networks and across network
boundaries�������������
������� 9.1���� Concatenated address��������������
������� 9.2���� Separated addresses�
������� 9.3���� RN only������������
������� 9.4���� DN Only (normally across network boundaries)�������������
10���� Combinations of addressing types, addressed entities and mechanisms:
general signalling requirements����
11���� Examples of locations of number portability database(s) within networks��
������ 11.1���� General description���
12���� Administrative processes��