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ITU-T Recommendations

Series A Recommendations - Organization of the work of the ITU-T
Series B Recommendations - Means of expression (definitions, symbols, classification)
Series C Recommendations - General telecommunication statistics
Series D Recommendations - General tariff principles
Series E Recommendations - Overall network operation , telephone service, service operation and human factors
Series F Recommendations - Telecommunication services other than telephone
Series G Recommendations - Transmission systems and media, digital systems and networks
Series H Recommendations - Line transmission of non-telephone signals
Series I Recommendations - Integrated Services Digital Networks (ISDN)
Series J Recommendations - Transmission of sound programme and television signals
Series K Recommendations - Protection against interference
Series L Recommendations - Construction, installation and protection of cable and other elements of outside plant
Series M Recommendations - Maintenance: transmission systems, telephone circuits, telegraphy, facsimile, .....
Series N Recommendations - Maintenance: international sound programme and television transmission circuits
Series O Recommendations - Specifications of measuring equipment
Series P Recommendations - Telephone transmission quality, telephone installations, local line networks
Series Q Recommendations - Switching and Signalling
Series R Recommendations - Telegraph transmission
Series S Recommendations - Telegraph services terminal equipment
Series T Recommendations - Terminal characteristics and higher layer protocols for telematic...
Series U Recommendations - Telegraph switching
Series V Recommendations - Data communication over the telephone network
Series X Recommendations - Data networks and open system communication
Series Y Recommendations - Global information infrastructure
Series Z Recommendations - Programming languages
Superseded ITU-T Recommendations
How to order ITU-T Recommendations (printed copies)
List of ITU-T Recommendations in force (01/99)
List of ITU-T Recommendations proposed for approval in accordance with Resolution No.1, Section 8, of the WTSC (Geneva,1996) (5, January 1999)
List of obsolete ITU-T Recommendations cancelled by the WTSC-93
List of ITU-T Recommendations proposed for deletion in accordance with Resolution No.1, Section 8, Paragraph 8.8 of the WTSC (Geneva, 1996) (2, February 1999)
List of obsolete Recommendations cancelled during Study Period 1993-1996 (30 October 1996)
List of ITU-T Recommendations cancelled by the WTSC-96
List of ITU-T Recommendations cancelled during Study Period 1997-2000 (03 April 1998)

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Last Modified: Thu Mar 25 00:43:34 1999