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ITU-T - E.121

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

inactive
Organization: ITU-T
Publication Date: 1 January 1995
Status: inactive
Page Count: 33

Document History

October 1, 2004
Pictograms, symbols and icons to assist users of the telephone and telefax services
A description is not available for this item.
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.
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.
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.
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