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ITU E.121:2004

ITU E.121:2004 Pictograms, Symbols And Icons To Assist Users Of The Telephone And Telefax Services Identifies pictograms, symbols and icons that could be used to aid users in the identification of services available and then in the use of such services. It includes new symbols and pictograms, devel

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Table of Contents

1Scope
2References
3Definitions
4Abbreviations
5Elementsofsymbolsandpictograms
5.1Useofelements
5.2Guidelinesfordesign
6Graphicalrepresentationoftones
6.1Temporalstructure
6.2Pitchvariationinatone
6.3Tonequality
6.4Loudnessvariationinthetone
7Pictogramstoaidlocationofservice
7.1Symbolfortelephone
7.2Symbolforinformation
7.3Symbolforfacsimile
7.4Symbolofaccessforthephysicallyhandicapped
7.5Symbolforspecialfacilitiesforthehardofhearing
7.6Symbolforspecialfacilitiesforthedeaf
8Pictogramstoaididentificationofinformation
9Pictogramstoaidintheuseofapublicservice
10Symbolstoaididentificationoftelephonesubscriber
servicesandtelecommunicationfunctions
11Pictogramstoaididentificationofvideotelephony
functions
12Guidelinesfortesting
BIBLIOGRAPHY

Abstract

Identifies pictograms, symbols and icons that could be used to aid users in the identification of services available and then in the use of such services. It includes new symbols and pictograms, developed in close collaboration with the International Electro technical Commission (IEC).

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