ITU-T E.137 SPANISH-1997
User Instructions for Payphones - Series E: Overall Network Operation Telephone Service Service Operation and Human Factors Operation Numbering Routing and Mobile Services - International Operation - General Provisions Concerning Users Study Group 2; 15 p

Standard No.

ITU-T E.137 SPANISH-1997

Release Date

1997

Published By

International Telecommunication Union (ITU)

Latest

ITU-T E.137 SPANISH-1997

Scope

This Recommendation contains a set of guideline principles for the design of user instructions for public telecommunications terminals, particularly as applied to payphones. These instructions may be mounted on or next to the terminal, or may be presented dynamically on a visual display.

ITU-T E.137 SPANISH-1997 Referenced Document

• ETSI ETR 116-1994 Human Factors (HF); Human Factors Guidelines for ISDN Terminal Equipment Design
• ITU-T E.121-1996 Pictograms@ Symbols and Icons to Assist Users of the Telephone Service - Series E: Telephone Network and ISDN; Operation@ Numbering@ Routing and Mobile Service - International Operation - General Provisions Concerning Users (Study Group 1; 26 pp)
• ITU-T E.134-1993 Human Factors Aspects of Public Terminals: Generic Operating Procedures (Study Group I) 7 pp
• ITU-T E.135-1995 Human Factors Aspects of Public Telecommunication Terminals for People with Disabilities - Telephone Network and ISDN - Operation Numbering Routing and Mobile Service (Study Group 1) 13 pp
• ITU-T E.161-1993 Arrangement of Digits@ Letters and Symbols on Telephones and Other Devices That Can Be Used for Gaining Access to a Telephone Network (Study Group I) 8 pp

ITU-T E.137 SPANISH-1997 history

• 1997 ITU-T E.137 SPANISH-1997 User Instructions for Payphones - Series E: Overall Network Operation Telephone Service Service Operation and Human Factors Operation Numbering Routing and Mobile Services - International Operation - General Provisions Concerning Users Study Group 2; 15 p