ITU-T U.200-1993 International Telex Service - General Technical Requirements for Interworking - Telegraph Switching - International Telex Service (Study Group IX) 20 pp
The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the International Telecommunication Union. The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to
ITU-T U.200-1993 history
1993ITU-T U.200-1993 International Telex Service - General Technical Requirements for Interworking - Telegraph Switching - International Telex Service (Study Group IX) 20 pp