ITU's 160 anniversary

Committed to connecting the world

ITU COUNCIL 2025

Implementors' Guides (in force)

F-Series
  • None in force
G-Series
  • None in force
H-Series
  • H.248 Sub-series
    • [H.248.x-1112] Implementors' Guide for the H.248 Sub-series of Recommendations (excluding H.248.1 V1 and V2)
    • [H.248.1v2-0805] Implementors' Guide for Recommendation H.248.1 Version 2 (03/2002)
    • [H.248.1v1-0604] Implementors' Guide for Recommendation H.248.1 Version 1 (03/2002)

  • [H.263-0508] Implementors' Guide for ITU-T Recommendation H.263

  • H.323 System: H.323, H.225.0, H.245, H.246, H.283, H.235, H.341, H.450 Series, H.460 Series, and H.500 Series
    • [H.323Sys-1103] Implementors' Guide for Recommendations of the H.323 System Version 5: H.323, H.225.0, H.245, H.246, H.283, H.235, H.341, H.450 Series, H.460 Series, and H.500 Series
    • [H.235-0508] Implementors' Guide for Recommendations for H.235 Version 3 (for H.235 Version 4, please check the latest version of the H.323 System Implementors' Guide)
T-Series
  • [T.38-1205] Implementors' Guide for ITU-T Recommendation T.38 (2010)
V-Series
  • [V.152-1103] Implementors' Guide for ITU-T Recommendation V.152 (2010)
​​

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

© ITU All Rights Reserved

Back to top