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 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 the UUS
                       supplementary service and the
                       call deflection (after alerting)
                       and the call forwarding no reply
                       supplementary services
History

Abstract

Defines the stage one of the User-to-User Signalling (UUS) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunications operators.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	NA 1
Supersedes	PRETS 300 284 : DEC 95