Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope <br>2 Normative references <br>3 Terms, definitions and abbreviated terms <br>4 Functional requirements <br>5 Performance requirements<br>6 Test methods<br>7 Documentation <br>Annex A (normative) - Subjective assessment of the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IP BIS image quality<br>Annex B (normative) - Subjective assessment of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo return loss<br>Bibliography

Abstract

Describes the technical requirements for the composition, functions, performance and test methods of building intercom systems using the internet protocol (IP), and it is a supplement to IEC 62820-1-1.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 79