ITU-T V.18-1994 (WITHDRAWN) Operational and Interworking Requirements for Modems Operating in the Text Telephone Mode - Data Communication over the Telephone Network Study Group 14; 22 pp
In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency.
ITU-T V.18-1994 history
1994ITU-T V.18-1994 (WITHDRAWN) Operational and Interworking Requirements for Modems Operating in the Text Telephone Mode - Data Communication over the Telephone Network Study Group 14; 22 pp