ITU-T E.138-2002
Human factors aspects of public telephones to improve their usability for older people Series E: Overall Network Operation Telephone Service Service Operation and human Factors International operation - General provisions concerning users Study Group 2

Standard No.

ITU-T E.138-2002

Release Date

2002

Published By

International Telecommunication Union (ITU)

Latest

ITU-T E.138-2002

Scope

This Recommendation contains guidelines for the design of public telephone terminals for voice communication to make them more usable for older people, whose sensory, cognitive and motor functions may have deteriorated.

ITU-T E.138-2002 history

• 2002 ITU-T E.138-2002 Human factors aspects of public telephones to improve their usability for older people Series E: Overall Network Operation Telephone Service Service Operation and human Factors International operation - General provisions concerning users Study Group 2