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Newer page: | version 3 | Last edited on Saturday, February 28, 2009 1:21:54 pm | by LawrenceDoliveiro | |
Older page: | version 1 | Last edited on Friday, June 17, 2005 4:50:30 pm | by PerryLorier | Revert |
@@ -3,42 +3,8 @@
Website: http://www.itu.int/
the ITU are the group that standardises telecommunications protocols and standards. They have three types of major documents Technical standards ([ITU-T]), Radio Communications (ITU-R) and Design (ITU-D).
-The
ITU-T standards all start with a letter a dot and some numbers:
+See also [
ITU-T].
-|^__Letter__|^__Meaning__|
-|A|Organization of the work of ITU
-T
-|B|Means of expression: definitions, symbols, classification
-|C|General telecommunication statistics
-|D|General tariff principles
-|E|Overall network operation, telephone service, service operation and human factors
-|F|Non
-telephone telecommunication services
-|G|Transmission systems and media, digital systems and networks
-|H|Audiovisual and multimedia systems
-|I|Integrated services digital network
-|J|Cable networks and transmission of television, sound programme and other multimedia signals
-|K|Protection against interference
-|L|Construction, installation and protection of cables and other elements of outside plant
-|M|TMN and network maintenance: international transmission systems, telephone circuits, telegraphy, facsimile and leased circuits
-|N|Maintenance: international sound programme and television transmission circuits
-|O|Specifications of measuring equipment
-|P|Telephone transmission quality, telephone installations, local line networks
-|Q|Switching and signalling
-|R|Telegraph transmission
-|S|Telegraph services terminal equipment
-|T|Terminals for telematic services
-|U|Telegraph switching
-|V|Data communication over the telephone network
-|X|Data networks and open system communications
-|Y|Global information infrastructure and Internet protocol aspects
-|Z|Languages and general software aspects for telecommunication systems
-
-Some well known standards:
-;G.992: The [ADSL] protocol standards
-;[H.323]: Video conferencing over packet radios
-;V.''xx'': Various modem standards
-;X.500: The world wide directory service (DAP). It never took off, but [LDAP] is a direct descendant.
-;X.509: Public key Certificates, often used for [SSL].
-;X.25: An old packet switched network.
-
-See also [ITU-T].
+----
+CategoryStandards