Terminal equipment and protocols for telematic services : recommendations T.0 - T.63 / International Telecommunication Union
Terminal equipment and protocols for telematic services : recommendations T.65 - T.101, T.150 - 390 / International Telecommunication Union
Terminal equipment and protocols for telematic services : recommendations T.400 - T.418 / International Telecommunication Union
Terminal equipment and protocols for telematic services : recommendations T.431 - T.564 / International Telecommunication Union
Telematic, data transmission and teleconference services operations and quality of service : recommendations F.160 - F.353, F.600, F.601, F.710 - F.730 / International Telecommunication Union