V[Y |
©ΰe |
Series A |
Organization of the work of the ITU-T |
Series B |
Means of expression |
Series C |
General telecommunication statistics |
Series D |
General tariff principles |
Series E |
Telephone network and ISDN |
Series F |
Non-telephone telecommunication services |
Series G |
Transmission systems and media |
Series H |
Transmission of non-telephone signals |
Series I |
Integrated services digital network (ISDN) |
Series J |
Transmission of sound-programme and television signals |
Series K |
Protection against interference |
Series L |
Construction, installation and protection of cables and other elements
of outside plant |
Series M |
Maintenance: international transmission systems, telephone circuits, telegraphy,
facsimile and leased circuits |
Series N |
Maintenance: international sound-programme and television transmission
circuits |
Series O |
Specifications of measuring equipment |
Series P |
Telephone transmission quality |
Series Q |
Switching and signalling |
Series R |
Telegraph transmission |
Series S |
Telegraph services terminal equipment |
Series T |
Terminal equipments and protocols for telematic services |
Series U |
Telegraph switching |
Series V |
Data communication over the telephone network |
Series X |
Data networks and open system communication |
Series Z |
Programming languages |