Internationale Organisation
Internationale Fernmelde-Union. International Telegraph and Telephone Consultative Committee
Time information:
- February 28, 1993
Works:
- Instructions for the international telephone service : text in accordance with the decisions of the fifth, sixth, seventh and eighth plenary assemblies of the CCITT ; 1st October 1985
- Telegrafie-Vermittlung : Empfehlungen d. Serie U d. CCITT-Blaubuches, Bd. 7, 1964
- Handbook on quality of service, network management and network maintenance
- Recommendation X.213 provisionally approved : network service definition for Open Systems Interconnection (OSI) for CCITT applications