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ITU-T E.121

Pictograms, symbols and icons to assist users of the telephone and telefax services SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS International operation – General provisions concerning users

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Organization: ITU-T
Publication Date: 1 June 2004
Status: active
Page Count: 33

Document History

ITU-T E.121
October 1, 2004
Pictograms, symbols and icons to assist users of the telephone and telefax services
A description is not available for this item.
ITU-T E.121
June 1, 2004
Pictograms, symbols and icons to assist users of the telephone and telefax services SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS International operation – General provisions concerning users
A description is not available for this item.
ITU-T E.121
July 1, 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
A description is not available for this item.
E.121
January 1, 1995
Pictograms, Symbols and Icons to Assist Users of the Telephone Service - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group 1) 16 pp
A description is not available for this item.
E.121
January 1, 1989
Pictograms and Symbols to Assist Users of the Telephone Service - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 11 pp
A description is not available for this item.

References

This document is referenced by:
TS 122 030 - Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Man-Machine Interface (MMI) of the User Equipment (UE)
Published by ETSI on April 1, 2022
The present document defines the requirements for and gives guidelines on the MMI on the User Equipment (UE). This includes the requirements of the user procedures for call control and supplementary...
This document is referenced by:
CSA ISO/IEC 13251 - Information technology — Collection of graphical symbols for office equipment
Published by CSA on January 1, 2020
This document provides a collection of graphical symbols which are used typically on office equipment to aid in the user operation of, for example, personal computers, printers, telephones and...
This document is referenced by:
ITU-T H.785.1 - Digital signage: Service requirements and a reference model on information services in public places via an interoperable service platform
Published by ITU-T on August 1, 2018
This Recommendation addresses high-level requirements, a reference model, push-based distribution methods and relevant metadata of digital signage (DS) services in public places via an interoperable...
This document is referenced by:
ISO/IEC TR 20007 - Information technology - Cultural and linguistic interoperability - Definitions and relationship between symbols, icons, animated icons, pictograms, characters and glyphs
Published by ISO on May 1, 2014
This Technical Report clearly defines each term related to ISO and IEC symbology in a single document and harmonizes difference of use and possible correspondence between different objects covering...
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