Foreword
1 Scope
2 Normative references
3 Definitions
4 Symbols and abbreviations
5 Description
6 Procedures
6.1 Provision and withdrawal
6.2 Normal procedures
6.3 Exceptional procedures
7 Intercommunication considerations
7.1 Interworking with non-ISDNs
7.2 Interworking with private ISDNs
8 Interaction with other supplementary services
8.1 Advice of charge services
8.2 Call waiting
8.3 Call hold
8.4 Call transfer
8.5 Number identification services
8.6 Closed user group
8.7 Completion of calls to busy subscriber
8.8 Conference services
8.9 Direct dialling in
8.10 Diversion services
8.11 Freephone
8.12 Malicious call identification
8.13 Multiple subscriber number
8.14 Sub-addressing
8.15 Terminal portability
8.16 Three party service
8.17 User-to-user signalling
History