Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions
4 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
   7.1 Coding of the Facility information element
       components
   7.2 Coding of the Notification indicator
       information element
   7.3 Coding of the Redirection number information
       element
8 State definitions
9 Signalling procedures at the coincident S and T
   reference point
   9.1 Activation, deactivation and registration
   9.2 Invocation and operation
   9.3 Content of notification information
10 Procedures for interworking with private ISDNs
   10.1 Served user is connected to the private ISDN
   10.2 Remote user is connected to the private ISDN
   10.3 Procedures for the mechanism to avoid looping
        of uncontrolled circuits
11 Interactions with other networks
12 Interaction with other supplementary services
13 Parameter values (timers)
14 Dynamic description
   14.1 User side SDL diagrams
   14.2 Network side SDL diagrams
Annex A (informative): Signalling flows
Annex B (informative): Assignment of object identifier
        values
History

Abstract

Specifies the stage three of the Explicit Call Transfer (ECT) 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 300 369-1 : JUL 96