�1���� Definition
�2����
Description
������� 2.1���� General description
������� 2.2���� Specific terminology
������� 2.3���� Qualifications on the applicability to telecommunication
services
�3����
Procedures
������� 3.1���� Provision/withdrawal
������� 3.2���� Normal procedures
������� 3.3���� Exceptional procedures
������� 3.4���� Alternative procedures
�4����
Network capabilities for charging
�5����
Interworking requirements
������� 5.1���� Interworking with non-ISDNs
������� 5.2���� Interworking with private ISDNs
������� 5.3���� Interworking with public ISDNs
�6����
Interaction with other supplementary services
������� 6.1���� Call Waiting
������� 6.2���� Call Transfer
������� 6.3���� Connected Line Identification Presentation
������� 6.4���� Connected Line Identification Restriction
������� 6.5���� Calling Line Identification Presentation
������� 6.6���� Calling Line Identification Restriction
������� 6.7���� Closed User Group
������� 6.8���� Conference Calling
������� 6.9���� Direct-Dialling-In
������ 6.10���� Call Diversion
������ 6.11���� Line Hunting
������ 6.12���� Three-Party Service
������ 6.13���� User-To-User Signalling
������ 6.14���� Multiple Subscriber Number
������ 6.15���� Call Hold
������ 6.16���� Advice of Charge
������ 6.17��� �Multi-Level Precedence
and preemption
������ 6.18���� Priority
������ 6.19���� Support of Private Numbering Plan
�7����
Dynamic description