ITU-T U.202-1993 Technical Requirements to Be Met in Providing the International Telex Service within an Integrated Services Digital Network - Telegraph Switching International Telex Service Study Group IX; 22 pp
As a consequence of a reform process within the International Telecommunication Union (ITU), the CCITT ceased to exist as of 28 February 1993. In its place, the ITü Telecommunication Standardization Sector (ITU-T) was created as of 1 March 1993. Similarly
ITU-T U.202-1993 history
1993ITU-T U.202-1993 Technical Requirements to Be Met in Providing the International Telex Service within an Integrated Services Digital Network - Telegraph Switching International Telex Service Study Group IX; 22 pp