F-Series

• None in force

G-Series

• [G.728-0604] Implementors' Guide for ITU-T Recommendation G.728
• [G.763-0004] Implementors' Guide for Recommendation G.763

H-Series

• H.248 Sub-series
  • [H.248.x-0805] 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-0805] 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)
• [H.350-0604] ITU-T Rec. H.350 Sub-series Implementors' Guide

T-Series

• [T.120Sys-0611] Implementors' Guide for ITU-T Rec. T.120 and T.130 sub-series: T.126, T.127 and T.135

V-Series

• None in force

Superseded Implementors' Guides