ITU-TŠ©ƒVƒŠ[ƒY


ƒVƒŠ[ƒY Š©“ΰ—e
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


XV“ϊ 99/03/23