ITU-T E.161-1989
Arrangement of Figures@ Letters and Symbols on Telephones and Other Devices That Can Be Used for Gaining Access to a Telephone Network - Telephone Network and ISDN - Operation@ Numbering@ Routing and Mobile Service (Study Group II) 6 pp

Standard No.

ITU-T E.161-1989

Release Date

1989

Published By

ITU-T - International Telecommunication Union/ITU Telcommunication Sector