| In force components |
| Number | Title | Status |
| H.323 (03/22) | Packet-based multimedia communications systems | In force |
| |
| Superseded and Withdrawn components |
| Number | Title | Status |
| H.323 (11/96) | Visual telephone systems and equipment for local area networks which provide a non-guaranteed quality of service | Superseded |
| H.323 (02/98) | Packet-based multimedia communications systems | Superseded |
| H.323 Annex D (09/98) | Real-time facsimile over H.323 systems | Superseded |
| H.323 Annex E (05/99) | Framework and wire-protocol for multiplexed call signalling transport | Superseded |
| H.323 Annex F (05/99) | Simple endpoint types Annex F was integrated in H.324 (03/2002) | Superseded |
| H.323 (09/99) | Packet-based multimedia communications systems | Superseded |
| H.323 (1999) Annex G (02/00) | Text conversation and Text SET | Superseded |
| H.323 (11/00) | Packet-based multimedia communications systems This version 4 of H.323 integrates without further modifications Annex G (17/02/2000), and includes Annexes J, K, M1 et M2 approved on 17 November 2000, and Annex L that was approved independently on 1 March 2001 | Superseded |
| H.323 Annex M3 (07/01) | Tunneling of DSS1 through H.323 Annex M3 was integrated to H.323 (07/2003) without further modifications | Superseded |
| H.323 Annex P (01/03) | Transfer of modem signals over H.323 Annex P was integrated to H.323 (07/2003) without further modifications | Superseded |
| H.323 Annex Q (07/01) | Far-end camera control and H.281/H.224 Annex Q was integrated to H.323 (07/2003) without further modifications | Superseded |
| H.323 Annex R (07/01) | Robustness methods for H.323 entities Annex R was integrated to H.323 (07/2003) without further modifications | Superseded |
| H.323 (07/03) | Packet-based multimedia communications systems This version 5 of H.323 integrates without further modifications Annexes M3 (07/2001), P (01/2003), Q (07/2001) and R (07/2001) that were published separately, and Annex O that was approved independently on 07/2003 | Superseded |
| H.323 (2003) Erratum 1 (03/06) | Applies to French version only | Superseded |
| H.323 (2003) Amendment 1 (01/05) | Revised Annex D - Real-time facsimile over H.323 systems: Transport of facsimile signals using RTP | Superseded |
| H.323 (2003) Amendment 2 (01/05) | New Annex M4 - Tunnelling of narrowband signalling syntax (NSS) for H.323 | Superseded |
| H.323 (06/06) | Packet-based multimedia communications systems | Superseded |
| H.323 (12/09) | Packet-based multimedia communications systems | Superseded |
| H.323 (2009) Amendment 1 (03/13) | Use of Facility message to enable call transfer | Superseded |
| H.Imp323/H.323 System (04/06) | Implementors' Guide for Recommendations of the H.323 System ("Packet-based multimedia communications systems"): H.323, H.225.0, H.245, H.246, H.283, H.341, H.450 Series, H.460 Series, and H.500 Series (04/2006) | Superseded |
| H.Imp323/H.323 System (01/04) | Implementors' Guide for Recommendations of the H.323 System ("Packet-based multimedia communications systems"):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 (01/2004) | Superseded |
| H.Imp323/H.323 System (11/06) | Implementors' Guide for Recommendations of the H.323 System (Packet-based multimedia communications systems): H.323, H.225.0, H.245, H.246, H.283, H.341, H.450 Series, H.460 Series, and H.500 Series (11/2006) | Superseded |
| H.Imp323/H.323 System (07/07) | Implementors' Guide for Recommendations of the H.323 System (Packet-based multimedia communications systems): H.323, H.225.0, H.245, H.246, H.283, H.341, H.450 Series, H.460 Series, and H.500 Series (07/07) | Superseded |
| H.Imp323/H.323 System (05/99) | Implementors' Guide for Recommendations of the H.323 System Version 2 (Part 1/2) - Part II.B (Implementors' Guides) of the report of WP 2/16 (Services and high rates systems) | Superseded |
| H.Imp323/H.323 System (02/00) | Implementors' Guide for Recommendations of the H.323 System Version 2 - Part 1 (05/1999) and Part 2 (02/2000) | Superseded |
| H.Imp323/H.323 System (03/97) | Implementors' Guide for Recommendations of the H.323 System Version 1 (Section 9): H.323, H.225.0 and H.245 (02/1997) | Superseded |
| H.Imp323/H.323 System (05/08) | Implementors' Guide for Recommendations of the H.323 System (Packet-based multimedia communications systems): H.323, H.225.0, H.245, H.246, H.283, H.341, H.450 Series, H.460 Series, and H.500 Series | Superseded |
| H.Imp323/H.323 System (02/09) | Implementors' Guide for Recommendations of the H.323 System (Packet-based multimedia communications systems): H.323, H.225.0, H.245, H.246, H.283, H.341, H.450 Series, H.460 Series, and H.500 Series | Superseded |
| H.Imp323/H.323 System (11/09) | Implementors' Guide for Recommendations of the H.323 System (Packet-based multimedia communications systems): H.323, H.225.0, H.245, H.246, H.283, H.341, H.450 Series, H.460 Series, and H.500 Series | Superseded |
| H.Imp323/H.323 System (11/04) | Implementors' Guide for Recommendations of the H.323 System ("Packet-based multimedia communications systems"):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 (11/2004) | Superseded |
| H.Imp323/H.323 System (08/05) | Implementors' Guide for Recommendations of the H.323 System ("Packet-based multimedia communications systems"): 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 (08/2005) | Superseded |
| H.Imp323/H.323 System (05/03) | Implementors Guide for Recommendations of the 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 (05/2003) | Superseded |
| H.Imp323/H.323 System (02/02) | Implementers Guide for H.323, H.225.0, H.245, H.246, H.283, H.235, H.450 Series, H.460 Series, and H.341 Recommendations (02/2002) | Superseded |
| H.Imp323/H.323 System (10/02) | Implementors Guide for Recommendations of the 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 (10/2002) | Superseded |
