| In force components |
| Number | Title | Status |
| H.230 (05/19) | Frame-synchronous control and indication signals for audiovisual systems | In force |
| |
| Superseded and Withdrawn components |
| Number | Title | Status |
| H.230 (12/90) | Frame-synchronous control and indication signals for audiovisual systems | Superseded |
| H.230 (03/93) | Frame-synchronous control and indication signals for audiovisual systems | Superseded |
| H.230 (07/95) | Frame-synchronous control and indication signals for audiovisual systems | Superseded |
| H.230 (07/97) | Frame-synchronous control and indication signals for audiovisual systems | Superseded |
| H.230 (05/99) | Frame-synchronous control and indication signals for audiovisual systems | Superseded |
| H.230 (03/04) | Frame-synchronous control and indication signals for audiovisual systems | Superseded |
| H.230 (2004) Amendment 1 (10/05) | Support of Unicode in H.320 systems and new Annex A for H.230 generic capabilities and messages in H.245 | Superseded |
| H.230 (03/09) | Frame-synchronous control and indication signals for audiovisual systems | Superseded |
| H.Imp320/H.320/H.221/H.224/H.230/H.242/H.243 (11/04) | Implementors Guide for Recommendations of the H.320 System ("Narrow-band visual telephone systems and terminal equipment"):H.320, H.221, H.224, H.230, H.242, H.243 | Superseded |
| H.Imp320/H.243/H.242/H.230/H.224/H.221/H.320 (02/02) | Implementors' guide for H.320 Recommendation series | Superseded |
| H.Imp320/H.320 (05/03) | Implementors Guide for Recommendations of the H.320 System ("Narrow-band visual telephone systems and terminal equipment"):H.320, H.221, H.224, H.230, H.242, H.243 | Superseded |
| H.Imp320/H.243/H.320/H.221/H.224/H.230/H.242/H.243 (01/04) | Implementors' Guide for Recommendations of the H.320 System ("Narrow-band visual telephone systems and terminal equipment"):H.320, H.221, H.224, H.230, H.242, H.243 | Superseded |
