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 Interactions with other supplementary services
  8.1 Advice of charge
  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 service
  8.17 User-user signalling
History

Abstract

Defines the stage one of the Connected Line Identification Restriction (COLR) 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. Does not cover charging principles.

General Product Information

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