ITU-T B-Series Recommendations

(last updated: 19-Sep-1997 08:29)

B Series: Means of Expression: Definitions, Symbols, Classification

  1. B.1 (11/88)
    Letter symbols for telecommunications.
  2. B.3 (11/88)
    Use of the international system of units (SI).
  3. B.10 (11/88)
    Graphical symbols and rules for the preparation of documentation in telecommunications.
  4. B.11 (11/88)
    Legal time - use of the term UTC.
  5. B.12 (11/88)
    Use of the decibel and the neper in telecommunications.
  6. B.13 (11/88)
    Terms and definitions.
  7. B.14 (11/88)
    Terms and symbols for information quantities in telecommunications.
  8. B.15 (11/88)
    Nomenclature of the frequency and wavelength bands used in telecommunications.
  9. B.16 (11/88)
    Use of certain terms linked with physical quantities.
  10. B.17 (11/88)
    Adoption of the CCITT Specification and Description Language (SDL).
  11. B.18 (03/93)
    Traffic intensity unit.
  12. B.19 (11/88)
    Abbreviations and initials used in telecommunications.