ETS 300 640 : 20001
Current
The latest, up-to-date edition.
HUMAN FACTORS (HF) - ASSIGNMENT OF ALPHABETIC LETTERS TO DIGITS ON STANDARD TELEPHONE KEYPAD ARRAYS
Hardcopy , PDF
English
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Foreword
Introduction
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Symbols
3.3 Abbreviations
4 Assignment of alphabetic letters to digits
Annex A (informative): Characteristics of the standard
telephone keypad array
A.1 Legibility of characters
A.2 Size of keys
History
Outlines the assignment of alphabetic letters to digits on standard telephone keypad arrays.
| Committee |
HF 1
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| PN ETS 300 640 : 2005 | Identical |
| DIN ETS 300640:1997-04 | Identical |
| NF ETS 300640 : 2000 | Identical |
| BS PAS 019(1997) : 1997 | |
| ETR 345 : 20001 | HUMAN FACTORS (HF) - CHARACTERISTICS OF TELEPHONE KEYPADS AND KEYBOARDS - REQUIREMENTS OF ELDERLY AND DISABLED PEOPLE |
| ES 202 130 : 2.1.2 | HUMAN FACTORS (HF); USER INTERFACES; CHARACTER REPERTOIRES, ORDERINGS AND ASSIGNMENTS TO THE 12-KEY TELEPHONE KEYPAD |
| ETR 334 : 20001 | HUMAN FACTORS (HF) - THE IMPLICATIONS OF HUMAN AGEING FOR THE DESIGN OF TELEPHONE TERMINALS |
| BS 7983:2001 | Requirements for payphones for networks other than the ISDN |
| ETR 294 : 20001 | RADIO EQUIPMENT AND SYSTEMS (RES) - TRANS-EUROPEAN TRUNKED RADIO - TETRA) - VOICE AND DATA (V+D) AND DIRECT MODE OPERATION (DMO) |
| ETR 329 : 20001 | HUMAN FACTORS (HF) - GUIDELINES FOR PROCEDURES AND ANNOUNCEMENTS IN STORED VOICE SERVICES (SVS) |
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