ITU-T E.161 FRENCH-2001
Arrangement of Digits Letters and Symbols on Telephones and Other Devices that can be Used for Gaining Access to a Telephone Network Series E: Overall Network Operation Telephone Service Service Operation and Human Factors International Operation - Number

Standard No.

ITU-T E.161 FRENCH-2001

Release Date

2001

Published By

International Telecommunication Union (ITU)

Latest

ITU-T E.161 FRENCH-2001

Scope

This Recommendation has been amended to include the preferred option for showing the relationship between letters and digits, where both appear on a keypad or dial. Additionally, in order to assist blind or visually impaired people in identifying the dialling push-buttons, it has been recommended that the button with the digit "5" be marked with a tactile identifier.

ITU-T E.161 FRENCH-2001 Referenced Document

• ITU-T E.123 Notation for National and International Telephone Numbers e-mail addresses and Web addresses SERIES E: OVERALL NETWORK OPERATION TELEPHONE SERVICE SERVICE OPERATION AND HUMAN FACTORS International operation - General provisions concerning users Study Grou

ITU-T E.161 FRENCH-2001 history

• 2001 ITU-T E.161 FRENCH-2001 Arrangement of Digits Letters and Symbols on Telephones and Other Devices that can be Used for Gaining Access to a Telephone Network Series E: Overall Network Operation Telephone Service Service Operation and Human Factors International Operation - Number