H.323 Document Status and History
The following tables shows the current documents that are under consideration by ITU-T SG21 (formerly SG16) that are related to H.323, as well as a historical list of previously approved documents. This list does not represent an official list of publications from the ITU.
To see a list of current H.323-related standards in force, visit the H.323 standards page.
| Document | Most Recent Document | Expected Approval |
|---|---|---|
| H.EMQ | TD 439/WP1 (2021-04) | 2023 |
| Document | Most Recent Document | Determination | Decision |
|---|---|---|---|
| H-Series Supplement 4 Release 1 (List of GEF Identifiers) | TD-74/PL (05/2003) | n/a | 05/2003 |
| H-Series Supplement 4 Release 2 (List of GEF Identifiers) | TD-79/PL (01/2004) | n/a | 01/2004 |
| H-Series Supplement 4 Release 3 (List of GEF Identifiers) | TD-61/PL (11/2004) | n/a | 11/2004 |
| H-Series Supplement 4 Release 4 (List of GEF Identifiers) | TD-111R1/WP (08/2005) | n/a | 08/2005 |
| H-Series Supplement 4 Release 5 (List of GEF Identifiers) | TD-259/PL (04/2006) | n/a | 04/2006 |
| H-Series Supplement 4 Release 6 (List of GEF Identifiers) | TD-419/PL (07/2007) | n/a | 07/2007 |
| H-Series Supplement 4 Release 7 (List of GEF Identifiers) | TD-217/PL (2010/07) | n/a | 07/2010 |
| H-Series Supplement 4 Release 8 (List of GEF Identifiers) | TD-417/PL (2011/12) | n/a | 12/2011 |
| H-Series Supplement 4 Release 9 (List of GEF Identifiers) | TD-561/PL (2016/05) | n/a | 06/2016 |
| F.734 | TD 234/Plen (06/2014) | AAP | 06/2014 |
| H.225.0v3 | COM16-96 + TD-7/PL + TD-8/PL (9/99) | 05/1999 | 09/1999 |
| H.225.0v4 | COM16-134 +TD-91/PL (11/2000) | 02/2000 | 11/2000 |
| H.225.0v5 | TD-60R1/PL (05/2003) | AAP | 05/2003 |
| H.225.0v6 | TD-275/PL (04/2006) | AAP | 04/2006 |
| H.225.0v6 Amendment 1 | TD-315 (11/2006) | AAP | 11/2006 |
| H.225.0v7 | TD-181/PL (10/2009) | AAP | 10/2009 |
| H.225.0v7 Amendment 1 | TD-16/PL (01/2013) | AAP | 01/2013 |
| H.225.0v8 | TD-556/PL (01/2022) | AAP | 01/2022 |
| H.225.0 Annex Gv1 (Communication Between Administrative Domains) | TD-32/PL + TD-53/PL (5/99) | 09/1998 | 05/1999 |
| H.225.0 Annex Gv2 (Communication Within and Between Administrative Domains) | TD-76/PL (10/2002) | AAP | 10/2002 |
| H.235v2 (Security) | COM16-122 + TD-23/PL (11/2000) | 05/2000 | 11/2000 |
| H.235v3 (Security) | TD-75/PL (05/2003) | AAP | 05/2003 |
| H.235v3 Amendment 1 | TD-73/PL (01/2004) | AAP | 01/2004 |
| H.235v3 Corrigendum 1 | TD-76/PL (11/2004) | AAP | 11/2004 |
| H.235v3 Implementers Guide | TD-147/PL (08/2005) | n/a | 08/2005 |
| H.235 Annex F (Hybrid Security Profile) | TD-21/PL (02/2002) | AAP | 02/2002 |
| H.235 Annex F Corrigendum 1 | TD-75/PLEN (05/2003) | AAP | 05/2003 |
| H.235 Annex G (MIKEY and SRTP) | TD-35/PL (11/2004) | AAP | 11/2004 |
| H.235.0 (Security Framework - a.k.a. H.235v4) | TD-114/PL (08/2005) | AAP | 08/2005 |
| H.235.0 (Security Framework - a.k.a. H.235v4R1) | TD-141/PL (10/2013) | AAP | 10/2013 |
| H.235.1 (Baseline Security Profile) | TD-115/PL (08/2005) | AAP | 08/2005 |
| H.235.2 (Signature Security Profile) | TD-119/PL (08/2005) | AAP | 08/2005 |
| H.235.3 (Hybrid Security Profile) | TD-116/PL (08/2005) | AAP | 08/2005 |
| H.235.4 (Direct and Selective Routed Call Security) | TD-148/PL (08/2005) | AAP | 08/2005 |
| H.235.5 (Framework for secure authentication in RAS using weak shared secrets) | TD-117/PL (08/2005) | AAP | 08/2005 |
| H.235.6 (Voice encryption profile with native H.235/H.245 key management) | TD-131/PL (08/2005) | AAP | 08/2005 |
| H.235.6 Amendment 1 | TD-525/PL (05/2008) | AAP | 05/2008 |
| H.235.6 Corrigendum 1 | TD-44/PL (02/2009) | AAP | 02/2009 |
| H.235.6 (Voice encryption profile with native H.235/H.245 key management) (v4R1) | TD-140/PL (10/2013) | AAP | 10/2013 |
| H.235.7 (Usage of the MIKEY Key Management Protocol for SRTP) | TD-118/PL (08/2005) | AAP | 08/2005 |
| H.235.8 (Key Exchange for SRTP using secure Signalling Channels) | TD-133/PL (08/2005) | AAP | 08/2005 |
| H.235.9 (Security Gateway Support for H.323) | TD-109/PL (08/2005) | AAP | 08/2005 |
| H.235.10 (DTLS) | TD-557/PL (01/2022) | AAP | 01/2022 |
| H.239v1 (Role Mgmt and Adt'l Media Channels) | TD-62R1/PL (05/2003) | AAP | 05/2003 |
| H.239v2 (Role Mgmt in H.300-series terminals) | TD-153/PL (08/2005) | AAP | 08/2005 |
| H.241v1 (Extended Video Procedures - H.264) | TD-73R1/PL (05/2003) | AAP | 05/2003 |
| H.241v2 (Extended Video Procedures - H.264) | TD-135/PL (08/2005) | AAP | 08/2005 |
| H.241v3 (Extended Video Procedures) | TD-430/PL (12/2011) | AAP | 12/2011 |
| H.245v5 | COM16-79 + TD-54/PL (5/99) | 09/1998 | 05/1999 |
| H.245v6 | H.245v5 + COM16-102 + TD-48/PL (02/2000) | 05/1999 | 02/2000 |
| H.245v7 | COM16-120 + TD-55/PL (11/2000) | 02/2000 | 11/2000 |
| H.245v8 | H.245v7 + TD-37/PL (06/2001) | AAP | 06/2001 |
| H.245v9 | TD-92R1/PL (10/2002) | AAP | 10/2002 |
| H.245v10 | TD-88R1/PL (05/2003) | AAP | 05/2003 |
| H.245v11 | TD-56/PL (11/2004) | AAP | 11/2004 |
| H.245v12 | TD-160/PL (08/2005) | AAP | 08/2005 |
| H.245v13 | TD-265/PL (04/2006) | AAP | 04/2006 |
| H.245v14 | TD-516/PL (05/2008) | AAP | 05/2008 |
| H.245v15 | TD-140R2/PL (10/2009) | AAP | 10/2009 |
| H.245v16 | TD-332/PL (03/2011) | AAP | 03/2011 |
| H.245v17 | TD-558/PL (01/2022) | AAP | 01/2022 |
| H.246 Amendment 1 | TD-120/PL (08/2005) | AAP | 08/2005 |
| H.246 Annex Cv1 (ISUP/H.323.0 Interworking) | COM16-112 + TD-42/WP2 (02/2000) | 05/1999 | 02/2000 |
| H.246 Annex Cv2 (ISUP/H.323.0 Interworking) | TD-55/PL (05/2003) | AAP | 05/2003 |
| H.246 Annex E.1 (MAP/H.225.0 Interworking) | COM16-137 (11/2000) | 02/2000 | 11/2000 |
| H.246 Annex E.2 (ANSI-41 MAP/H.225.0 Interworking) | COM16-138 (11/2000) | 02/2000 | 11/2000 |
| H.246 Annex F (H.323-H.324 Interworking) | TD-36/PL (06/2001) | AAP | 06/2001 |
| H.246v2 | TD-215/PL (04/2006) | AAP | 04/2006 |
| H.246 Amendment 1 (IEPS) | TD-329/PL (11/2006) | AAP | 11/2006 |
| H.249 (Extended User Input Indications) | TD-219R1/PL (04/2006) | AAP | 04/2006 |
| H.282 (V.RDC) | COM16-R41 (5/99) | 09/1998 | 05/1999 |
| H.283 (H.RDC) | COM16-78 + TD-27/PL (5/99) | 09/1998 | 05/1999 |
| H.323 Implementers Guide (Version 2) | TD-37/PL + TD-56/PL (5/99) | n/a | 05/1999 |
| H.323 Implementers Guide (Version 2 & 3) | TD-92/PL (02/2000) | n/a | 02/2000 |
| H.323 Implementers Guide (Version 3) | TD-58/PL + TD-64/PL (11/2000) | n/a | 11/2000 |
| H.323 Implementers Guide (Version 4) (obsolete) | TD-40/PL (02/2002) | n/a | 02/2002 |
| H.323 Implementers Guide (Version 4) | TD-59R1/PL (05/2003) | n/a | 05/2003 |
| H.323 Implementers Guide (Version 5) (obsolete) | TD-46/PL (01/2004) | n/a/ | 01/2004 |
| H.323 Implementers Guide (Version 5) (obsolete) | TD-52R1/PL (11/2004) | n/a/ | 11/2004 |
| H.323 Implementers Guide (Version 5) | TD-175PL (08/2005) | n/a | 08/2005 |
| H.323 Implementers Guide (Version 6) (obsolete) | TD-276/PL (04/2006) | n/a | 04/2006 |
| H.323 Implementers Guide (Version 6) (obsolete) | TD-358/PL (11/2006) | n/a | 11/2006 |
| H.323 Implementers Guide (Version 6) (obsolete) | TD-397/PL (07/2007) | n/a | 07/2007 |
| H.323 Implementers Guide (Version 6) (obsolete) | TD-520/PL (05/2008) | n/a | 05/2008 |
| H.323 Implementers Guide (Version 6) | TD-39R1/PL (02/2009) | n/a | 02/2009 |
| H.323 Implementers Guide (Version 7) (obsolete) | TD-182/PL (10/2009) | n/a | 10/2009 |
| H.323 Implementers Guide (Version 7) | TD-74R1/PL (01/2013) | n/a | 01/2013 |
| H.323v3 | COM16-95 + COM16-97 + D.314 + TD-5/PL + TD-6/PL (9/99) | 05/1999 | 09/1999 |
| H.323v4 | COM16-128 + TD-59/PL (11/2000) | 02/2000 | 11/2000 |
| H.323v5 | TD-44R1/PL (05/2003) | AAP | 05/2003 |
| H.323v6 | TD-274/PL (04/2006) | AAP | 04/2006 |
| H.323v7 | TD-179/PL (10/2009) | AAP | 10/2010 |
| H.323v7 Amendment 1 | TD-17/PL (1/2013) | AAP | 01/2013 |
| H.323v8 | TD-555/PL (01/2022) | AAP | 01/2022 |
| H.323 Annex Dv1 (Real-time Fax) | COM 16-60 + TD54/PL (9/98) | 02/1998 | 09/1998 |
| H.323 Annex Dv3 (Real-Time Fax) | TD-34/PL (11/2004) | AAP | 11/2004 |
| H.323 Annex E (Multiplexed Call Signaling) | TD-33/PL + TD-53/PL (5/99) | 09/1998 | 05/1999 |
| H.323 Annex F (Simple Endpoint Type or SET) | COM16-73 + TD-52/PL (5/99) | 09/1998 | 05/1999 |
| H.323 Annex G (Text SET) | COM16-103 (02/2000) | 05/1999 | 02/2000 |
| H.323 Annex Gv2 (Text SET) | TD-274/PL (04/2006) | n/a | 04/2006 |
| H.323 Annex J (Secure SET) | COM16-116 (11/2000) | 02/2000 | 11/2000 |
| H.323 Annex K (HTTP Service Control Transport) | COM16-127 + TD-68/PL (11/2000) | 02/2000 | 11/2000 |
| H.323 Annex L (Stimulus Signalling in H.323) | TD-60/PL (11/2000) | AAP | 11/2000 |
| H.323 Annex M.1 (QSIG Tunneling) | COM16-118 + TD-24/PL (11/2000) | 02/2000 | 11/2000 |
| H.323 Annex M.2 (ISUP Tunneling) | COM16-129 + TD-66/PL (11/2000) | 02/2000 | 11/2000 |
| H.323 Annex M.3 (DSS1 Tunneling) | TD-10/PL (6/2001) | AAP | 2001 |
| H.323 Annex M.4 (Tunneling NSS) | TD-30/PL (11/2004) | AAP | 11/2004 |
| H.323 Annex O (Use of URLs and DNS) | TD-67R1/PL (05/2003) | AAP | 05/2003 |
| H.323 Annex P (Modem over IP) | TD-48/PL (10/2002) | AAP | 10/2002 |
| H.323 Annex Q (Camera Control) | TD-17/PL (6/2001) | AAP | 2001 |
| H.323 Annex R (Robustness) | TD-19/PL (6/2001) | AAP | 2001 |
| H.341 | COM16-80 + TD-31/PL + TD-55/PL (5/99) | 09/1998 | 05/1999 |
| H.341 Corrigendum 1 | TD-139/PL (10/2013) | AAP | 10/2013 |
| H.350 (Directory Services Architecture) | TD-21R1/PL (05/2003) | AAP | 05/2003 |
| H.350-Series Implementers Guide | TD-51/PL (01/2004) | n/a | 01/2004 |
| H.350.1 (Directory Services Architecture for H.323) | TD-48R1 (05/2003) | AAP | 05/2003 |
| H.350.2 (Directory Services Architecture for H.235) | TD-49R1 (05/2003) | AAP | 05/2003 |
| H.350.3 (Directory Services Architecture for H.320) | TD-50R1 (05/2003) | AAP | 05/2003 |
| H.350.4 (Directory Services Architecture for SIP) | TD-51R1 (05/2003) | AAP | 05/2003 |
| H.350.5 (Directory Services Architecture for Non-Standard Protcols) | TD-52R1 (05/2003) | AAP | 05/2003 |
| H.350.6 (Call Forwarding and Call Preferences) | TD-51/PL (01/2004) | AAP | 01/2004 |
| H.360 (Qos Architecture) | TD-76/PL (01/2004) | AAP | 01/2004 |
| H.361 (QoS and Service Priority Signalling in H.323) | TD-262/PL (04/2006) | AAP | 04/2006 |
| H.361 Amendment 1 (IntServ, DiffServ, and Priority Signaling) | TD-525/PL (05/2008) | AAP | 05/2008 |
| H.420 | TD 241/PL (06/2014) | AAP | 06/2014 |
| H.450.1 (Supplementary Services Framework) | 01/1998 | ||
| H.450.1v2 (Supplementary Services Framework) | TD-324R1/PL (03/2011) | AAP | 03/2011 |
| H.450.2 (Call Transfer) | 01/1998 | ||
| H.450.2v2 (Call Transfer) | TD-325R1/PL (03/2011) | AAP | 03/2011 |
| H.450.3 (Call Diversion) | 01/1998 | ||
| H.450.3v2 (Call Diversion) | TD-326R1/PL (03/2011) | AAP | 03/2011 |
| H.450.4 (Hold) | COM16-86 (5/1999) | 09/1998 | 05/1999 |
| H.450.4v2 (Hold) | TD-33/PL (01/2013) | AAP | 01/2013 |
| H.450.5 (Park/Pickup) | COM16-87 (5/1999) | 09/1998 | 05/1999 |
| H.450.5v2 (Park/Pickup) | TD-34/PL (01/2013) | AAP | 01/2013 |
| H.450.6 (Call Waiting) | COM16-88 (5/1999) | 09/1998 | 05/1999 |
| H.450.7 (Message Waiting) | COM16-89 (5/1999) | 09/1998 | 05/1999 |
| H.450.7v2 (Message Waiting) | TD-35/PL (01/2013) | AAP | 01/2013 |
| H.450.8 (Name Identification Service) | COM16-106 + D.357 (02/2000) | 05/1999 | 02/2000 |
| H.450.8v2 (Name Identification Service) | TD-36/PL (01/2013) | AAP | 01/2013 |
| H.450.9 (Call Completion) | COM16-117 + TD-22/PL (11/2000) | 02/2000 | 11/2000 |
| H.450.10 (Call Offer) | TD-61/PL (11/2000) | AAP | 11/2000 |
| H.450.11 (Call Intrusion) | TD-62/PL (11/2000) | AAP | 11/2000 |
| H.450.12 (Common Information Additional Network Services) | TD-11/PL (6/2001) | AAP | 2001 |
| H.460.1 (Guidelines for the Use of the Generic Extensible Framework) | TD-20/PL (02/2002) | AAP | 02/2002 |
| H.460.1v2 (Guidelines for the Use of the Generic Extensibility Framework | TD-18/PL (01/2013) | AAP | 01/2013 |
| H.460.2 (Number Portability) | TD-47/PL + TD-50/PL (6/2001) | AAP | 2001 |
| H.460.2v2 (Number Portability) | TD-19/PL (01/2013) | AAP | 01/2013 |
| H.460.3 (Circuit Status Map) | TD-47/PL (10/2002) | AAP | 10/2002 |
| H.460.4 (Call Priority Designation) | TD-54/PL (10/2002) | AAP | 10/2002 |
| H.460.4v2 (Call Priority Designation) | TD-317/PL (11/2006) | AAP | 11/2006 |
| H.460.5 (Transport of multiple Q.931 IE of the same type) | TD-50/PL (10/2001) | AAP | 10/2002 |
| H.460.6 (Extended Fast Connect) | TD-83/PL (10/2002) | AAP | 10/2002 |
| H.460.6v2 (Extended Fast Connect) | TD-32/PL (01/2013) | AAP | 01/2013 |
| H.460.7 (Digit Maps) | TD-43/PL (10/2002) | AAP | 10/2002 |
| H.460.7v2 (Digit Maps) | TD-40/PL (01/2013) | AAP | 01/2013 |
| H.460.8 (Quering for Alternate Routes) | TD-49/PL (10/2002) | AAP | 10/2002 |
| H.460.9 (QoS Monitoring Reporting) | TD-55/PL (10/2002) | AAP | 10/2002 |
| H.460.9 Annex B (RTCP XR) | TD-38/PL (01/2004) | AAP | 01/2004 |
| H.460.10 (Call Party Category) | TD-30R1/PL (01/2004) | AAP | 01/2004 |
| H.460.11 (Delayed Call Establishment) | TD-27R1/PL (01/2004) | AAP | 01/2004 |
| H.460.12 (Glare Control Indicator) | TD-31R1/PL (01/2004) | AAP | 01/2004 |
| H.460.13 (Connection Hold) | TD-39/PL (01/2004) | AAP | 01/2004 |
| H.460.14 (MLPP) | TD-54/PL (01/2004) | AAP | 01/2004 |
| H.460.15 (Signalling Channel Suspension and Redirection) | TD-49/PL (01/2004) | AAP | 01/2004 |
| H.460.16 (Multiple Message Release Sequence) | TD-38/PL (11/2004) | AAP | 11/2004 |
| H.460.17 (Tunneling RAS within H.225.0) | TD-140R1/PL (08/2005) | AAP | 08/2005 |
| H.460.18 (Traversal of H.323 signalling across Firewalls and NATs) | TD-137/PL (08/2005) | AAP | 08/2005 |
| H.460.18v2 (Traversal of H.323 signalling across Firewalls and NATs) | TD-38/PL (01/2013) | AAP | 01/2013 |
| H.460.19 (Media Traversal through NAT/FWs) | TD-141R1 (08/2005) | AAP | 08/2005 |
| H.460.19v2 (Media Traversal through NAT/FWs) | TD-39/PL (01/2013) | AAP | 01/2013 |
| H.460.20 (Location Number for H.323) | TD-107R1 (08/2005) | AAP | 08/2005 |
| H.460.21 (Message Broadcast) | TD-253/PL (04/2006) | AAP | 04/2006 |
| H.460.22 (Security Profile Negotiation) | TD-342r2/PL (11/2006) | AAP | 11/2006 |
| H.460.22 Corrigendum 1 | TD-513/PL (05/2008) | AAP | 05/2008 |
| H.460.23 (NAT determination) | TD-173/PL (10/2009) | AAP | 10/2009 |
| H.460.23 Amendment 1 | TD-327/PL (03/2011) | AAP | 03/2011 |
| H.460.24 (P2Pnat media) | TD-174/PL (10/2009) | AAP | 10/2009 |
| H.460.24 Amendment 1 | TD-328/PL (03/2011) | AAP | 03/2011 |
| H.460.24 Amendment 2 | TD-37/PL (01/2013) | AAP | 01/2013 |
| H.460.25 (Geographic Information) | TD-214/PL (07/2010) | AAP | 07/2010 |
| H.460.26 (H.225.0 Media Tunnel) | TD-492/PL (05/2012) | AAP | 05/2012 |
| H.460.27 (Session ID) | TD-371/PL (10/2015) | AAP | 10/2015 |
| H.501 (Protocol for mobility management and intra/inter-domain communication in multimedia systems) | TD-35/PL + TD-32/PL (02/2002) | AAP | 02/2002 |
| H.510 (Mobility for H.323 multimedia systems) | TD-38/PL (02/2002) | AAP | 02/2002 |
| H.530 (Symmetric Security Procedures for H.510) | TD-19/PL (02/2002) | AAP | 02/2002 |
AAP = Alternate Approval Procedure
APC = ATM, Packet-based, and Common protocols
AVD = Audio, Video, and Data
COM = White paper contribution
PL = Plenary document
TD = Temporary document
C = Contribution
WP1 = Working Party 1
WP2 = Working Party 2
WP3 = Working Party 3
WP4 = Working Party 4
GEN = General document
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