Source : Free On-Line Dictionary of Computing

H.323
     
         The {ITU-T standard} for sending
        {voice} ({audio}) and {video} using {IP} on the {Internet} and
        within {intranets}.  H.323 is sponsored[?] by the {IMTC}'s
        {Conferencing over IP} Activity Group.
     
        (1999-04-26)