Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions
4 Symbols and abbreviations
5 Description
6 Operational requirements
  6.1 Provision and withdrawal
  6.2 Requirements on the originating network side
  6.3 Requirements on the destination network side
7 Coding requirements
8 State definitions
9 Signalling procedures at the coincident S and T
  reference point
  9.1 Activation, deactivation and registration
  9.2 Actions at the destination user
  9.3 Actions at the destination local exchange
  9.4 Actions at the originating local exchange
10 Procedures for interworking with private ISDNs
11 Interaction with other networks
12 Interaction with other supplementary services
13 Parameter values (timers)
14 Dynamic description (SDLs)
Annex A (informative): Signalling flows
Annex B (informative): Terminal interchangeability
                       between public and private ISDNs
Annex C (informative): Bibliography
History

Abstract

Specifies stage three of the Connected Line Identification Restriction (COLR) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as given by European public telecommunication operators at the T reference point or coincident S and T reference point by using the Digital Subscriber Signalling No. one (DSS1). Does not specify the additional protocol requirements where the service is provided to the user via a telecommunications network that is not an ISDN.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SPS 5