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 H.261-1993 history
1993ITU-T H.261-1993 Video Codec for Audiovisual Services at p x 64 kbits - Line Transmission of Non-Telephone Signals Study Group XV; 28 pp