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ETS 300 220001 : 20001
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INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - CALL FORWARDING NO REPLY (CFNR) SUPPLEMENTARY SERVICE - SERVICE DESCRIPTION
Hardcopy , PDF
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 Explicit 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 Subaddressing
8.15 Terminal portability
8.16 Three party
8.17 User-to-user signalling
Annex A (informative): Interaction between user-to-user
signalling and the CFNR
supplementary service
History
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