Table of Contents

Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
3 Definitions, symbols and abbreviations
  3.1 Definitions
  3.2 Symbols
  3.3 Abbreviations
4 Videotelephone terminal descriptions and functional
  requirements
  4.1 Videotelephone, choice of teleservice
  4.2 Videotelephone communication modes
  4.3 Privacy
  4.4 Other terminal facilities
5 Basic call scenarios
  5.1 Defining the resultant
  5.2 Defining the Resultant Videotelephony Communication
      Mode
  5.3 Making a call from an ISDN videotelephone
  5.4 Receiving a call at an ISDN videotelephone
  5.5 Connected in a videotelephony call
  5.6 Connected in a telephony teleservice call
  5.7 State Transition Diagram
6 User control procedures
  6.1 General principles
  6.2 SDL charts defining user control procedures
7 User controls and indications
  7.1 User controls
  7.2 User indications
  7.3 Additional controls and indications
  7.4 Received Signals and indications
8 Compliance
  8.1 ISDN Videotelephone terminal Manufacturer or Supplier
  8.2 ISDN videotelephony service provider
Annex A (informative): Additional features of Videotelephony
        Systems
      A.1 Lip Synchronization
      A.2 Supplementary Services
      A.3 Distinctive or Videotelephony Ring Tone
History

Abstract

This ES specifies the user control procedures to be used to control basic call, point-to-point connections, for the ISDN videotelephone service from ISDN videotelephones.

General Product Information

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