Table of Contents

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 Subaddressing
  8.15 Terminal portability
  8.16 Three party
  8.17 User-user signalling
Annex A (informative): Terminal interchangeability
                       between public and private ISDNs
Annex B (informative): Bibliography
History

Abstract

Defines the stage one of the Multiple Subscriber Number (MSN) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunications operators. Defines the interworking requirements of private ISDNs with the public ISDN. Also specifies the base functionality where the service is provided to the user via a private ISDN. Does not specify the additional requirements where the service is provided to the user via a telecommunications network that is not an ISDN, but it does include interworking requirements of other networks with the public ISDN. Excludes interactions with supplementary services not listed in clause 8.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	NA 1