ITU-T I.121-1991
Broadband Aspects of ISDN (Study Group XVIII) 6 pp

Standard No.

ITU-T I.121-1991

Release Date

1991

Published By

International Telecommunication Union (ITU)

Latest

ITU-T I.121-1991

Scope

The CCITT (the International Telegraph and Telephone Consultative Committee) is a permanent organ of the International Telecommunication Union (ITU). CCITT is responsible for studying technical, operating and tariff questions and issuing Recommendations

ITU-T I.121-1991 history

• 1991 ITU-T I.121-1991 Broadband Aspects of ISDN (Study Group XVIII) 6 pp