Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions
4 Abbreviations
5 Description
   5.1 Service 1
   5.2 Service 2
   5.3 Service 3
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
   7.1 Coding of the Facility information element
       component
   7.2 Definition of messages
   7.3 Definition of information elements
8 State definitions
9 Signalling procedures at the coincident S and T
   reference point
   9.1 Service 1
   9.2 Service 2
   9.3 Service 3
10 Procedures for interworking with private ISDNs
11 Interaction with other networks
   11.1 Interworking with an ISDN network supporting
        only a maximum User-user information element
        length of 35 octets
   11.2 Interaction with non-ISDN
12 Interaction with other supplementary services
13 Parameter values (timers)
14 Dynamic description (SDL diagrams)
   14.1 Service 1
   14.2 Service 2
   14.3 Service 3
Annex A (informative): Signalling flows
      A.1 Service 1, implicit request,
          point-to-multipoint
      A.2 Service 1, implicit request, point-to-point
      A.3 Service 1, explicit request,
          point-to-multipoint
      A.4 Service 1, explicit request, point-to-point
      A.5 Service 2
      A.6 Service 3, request during call establishment,
          point-to-multipoint
      A.7 Service 3, request during the Active
          (N10, U10) call state
      A.8 Service 3, flow control
Annex B (informative): Diagrammatic description of
        coding requirements
      B.1 UUS request invoke component (typical example)
      B.2 UUS return result component (typical example)
      B.3 UUS return error component (typical example)
Annex C (informative): Bibliography
History

Abstract

Specifies the stage three of the User-to-User Signalling (UUS) supplementary service for the pan-European Integrated Services Digital Network (ISDN).

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SPS 5
Supersedes	PRETS 300 286-1 : DEC 95