Table of Contents

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
4 Introduction
5 Requirements
6 The probe coil
7 Test procedures
Annex A (normative) - Packaging, labelling and user
        instructions
Annex B (informative) - Step-by-step measurement procedures
Annex C (informative) - Symbol indicating facilities for the
        hearing impaired
Annex D (normative) - Calibration of the probe coil
Annex E (informative) - Components of the inductive field
Annex F (informative) - Bibliography
History

Abstract

Pertains to fixed telephones having earphones (see ITU-T Recommendation P.57) which are intended for direct application to the ear (e.g. handsets, supra-aural headsets) and which are intended to provide, through the earphone, a magnetic field for coupling to hearing aids.

General Product Information

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