H.11 
 | 
[Withdrawn] Characteristics of circuits in the switched telephone network
		  Deleted after its content became technically out of date
  | 
H.12 
 | 
[Withdrawn] Characteristics of telephone-type leased circuits
		  Deleted after its content became technically out of date
  | 
H.13 
 | 
[Withdrawn] Impulsive noise measuring instrument for telephone-type circuits
		  H.13 was an alias name of ITU-T O.71. Only this alias name was suppressed. ITU-T O.71 remains valid
  | 
H.14 
 | 
[Withdrawn] Characteristics of group links for the transmission of wide-spectrum signals
		  Deleted after its content became technically out of date
  | 
H.15 
 | 
[Withdrawn] Characteristics of supergroup links for the transmission of wide-spectrum signals
		  Deleted after its content became technically out of date
  | 
H.16 
 | 
[Withdrawn] Characteristics of an impulsive-noise measuring instrument for wideband data transmission
		  H.16 was an alias name of ITU-T O.72. Only this alias name was suppressed. ITU-T O.72 remains valid
  | 
H.21 
 | 
[Withdrawn] Composition and terminology of international voice-frequency telegraph systems
		  Deleted after its content became technically out of date
  | 
H.22 
 | 
[Withdrawn] Transmission requirements of international voice-frequency telegraph links (at 50, 100 and 200 bauds)
		  Deleted after its content became technically out of date
  | 
H.23 
 | 
[Withdrawn] Basic characteristics of telegraph equipments used in international voice-frequency telegraph systems
		  This Recommendation was only reproducing for information some characteristics given in ITU-T R.31 and R.35
  | 
H.32 
 | 
[Withdrawn] Simultaneous communication by telephony and telegraphy on a telephone-type circuit
		  H.32 was an alias name of ITU-T R.43. Only this alias name was suppressed. ITU-T R.43 remains valid
  | 
H.34 
 | 
[Withdrawn] Subdivision of the frequency band of a telephone-type circuit between telegraphy and other services
		  Deleted after its content became technically out of date
  | 
H.43 
 | 
[Withdrawn] Document facsimile transmissions on leased telephone-type circuits
		  H.43 was an alias name of ITU-T T.10. Only this alias name was suppressed. ITU-T T.10 remains valid
  | 
H.51 
 | 
[Withdrawn] Power levels for data transmission over telephone lines
		  H.51 was an alias name of ITU-T V.2. Only this alias name was suppressed. ITU-T V.2 remains valid
  | 
H.52 
 | 
[Withdrawn] Transmission of wide-spectrum signals (data, facsimile, etc.) on wideband group links
		  Deleted after its content became technically out of date
  | 
H.53 
 | 
[Withdrawn] Transmission of wide-spectrum signals (data, etc.) over wideband supergroup links
		  Deleted after its content became technically out of date
  | 
H.100 
 | 
Visual telephone systems
		 
  | 
H.110 
 | 
Hypothetical reference connections for videoconferencing using primary digital group transmission
		 
  | 
H.120 
 | 
Codecs for videoconferencing using primary digital group transmission
		 
  | 
H.130 
 | 
Frame structures for use in the international interconnection of digital codecs for videoconferencing or visual telephony
		 
  | 
H.140 
 | 
A multipoint international videoconference system
		 
  | 
H.200 
 | 
Framework for Recommendations for audiovisual services
		 
  | 
H.221 
 | 
Frame structure for a 64 to 1920 kbit/s channel in audiovisual teleservices
		 
  | 
H.222 
 | 
Information technology - Generic coding of moving pictures and associated audio information: Systems
		  Merged with ITU-T H.221 in 1990
  | 
H.222.0 
 | 
Information technology - Generic coding of moving pictures and associated audio information: Systems
		 
  | 
H.222.1 
 | 
Multimedia multiplex and synchronization for audiovisual communication in ATM environments
		 
  | 
H.223 
 | 
Multiplexing protocol for low bit rate multimedia communication
		 
  | 
H.224 
 | 
A real time control protocol for simplex applications using the H.221 LSD/HSD/MLP channels
		 
  | 
H.225.0 
 | 
Call signalling protocols and media stream packetization for packet-based multimedia communication systems
		 
  | 
H.225 
 | 
Call signalling protocols and media stream packetization for packet-based multimedia communication systems
		 
  | 
H.226 
 | 
Channel aggregation protocol for multilink operation on circuit-switched networks
		 
  | 
H.230 
 | 
Frame-synchronous control and indication signals for audiovisual systems
		 
  | 
H.231 
 | 
Multipoint control units for audiovisual systems using digital channels up to 1920 kbit/s
		 
  | 
H.233 
 | 
Confidentiality system for audiovisual services
		 
  | 
H.234 
 | 
Encryption key management and authentication system for audiovisual services
		 
  | 
H.235 
 | 
[Withdrawn] Security and encryption for H-series (H.323 and other H.245-based) multimedia terminals
		  ITU-T Rec. H.235 (2003) content was reorganized into H.235.1 to .7 when revised in 2005. the map can be found in Appendices IV, V, and VI of H.235.0
  | 
H.235.0 
 | 
H.323 security: Framework for security in ITU-T H-series (ITU-T H.323 and other ITU-T H.245-based) multimedia systems
		  ITU-T Rec. H.235 (2003) content was reorganized into H.235.0 to .7 when revised in 2005. The map can be found in Appendices IV, V, and VI of H.235.0 (2005)
  | 
H.Imp235 
 | 
Implementors Guide for H.235 V3: "Security and encryption for H-series (H.323 and other H.245-based) multimedia terminals"
		 
  | 
H.235.1 
 | 
H.323 security: Baseline security profile
		  ITU-T Rec. H.235 (2003) content was reorganized into H.235.0 to .7 when revised in 2005. The map can be found in Appendices IV, V, and VI of H.235.0 (2005)
  | 
H.235.2 
 | 
H.323 security: Signature security profile
		  ITU-T Rec. H.235 (2003) content was reorganized into H.235.0 to .7 when revised in 2005. The map can be found in Appendices IV, V, and VI of H.235.0 (2005)
  | 
H.235.3 
 | 
H.323 security: Hybrid security profile
		  ITU-T Rec. H.235 (2003) content was reorganized into H.235.0 to .7 when revised in 2005. The map can be found in Appendices IV, V, and VI of H.235.0 (2005)
  | 
H.235.4 
 | 
H.323 security: Direct and selective routed call security
		  ITU-T Rec. H.235 (2003) content was reorganized into H.235.0 to .7 when revised in 2005. The map can be found in Appendices IV, V, and VI of H.235.0 (2005)
  | 
H.235.5 
 | 
H.323 security: Framework for secure authentication in RAS using weak shared secrets
		  ITU-T Rec. H.235 (2003) content was reorganized into H.235.0 to .7 when revised in 2005. The map can be found in Appendices IV, V, and VI of H.235.0 (2005)
  | 
H.235.6 
 | 
H.323 security: Encryption profile with native ITU-T H.235/H.245 key management
		  ITU-T Rec. H.235 (2003) content was reorganized into H.235.0 to .7 when revised in 2005. The map can be found in Appendices IV, V, and VI of H.235.0 (2005)
  | 
H.235.7 
 | 
H.323 security: Usage of the MIKEY key management protocol for the Secure Real Time Transport Protocol (SRTP) within H.235
		  ITU-T Rec. H.235 (2003) content was reorganized into H.235.0 to .7 when revised in 2005. The map can be found in Appendices IV, V, and VI of H.235.0 (2005)
  | 
H.235.8 
 | 
H.323 security: Key exchange for SRTP using secure signalling channels
		 
  | 
H.235.9 
 | 
H.323 security: Security gateway support for H.323
		  
  | 
H.235.10 
 | 
H.323 security: Support of datagram transport layer security (DTLS) for media streams
		 
  | 
H.239 
 | 
Role management and additional media channels for ITU-T H.300-series terminals
		 
  | 
H.Imp239 
 | 
Implementors' Guide for ITU-T Recommendation H.239 ("Role management and additional media channels for H.300-series terminals")
		 
  | 
H.241 
 | 
Extended video procedures and control signals for ITU-T H.300-series terminals
		 
  | 
H.242 
 | 
System for establishing communication between audiovisual terminals using digital channels up to 2 Mbit/s
		 
  | 
H.243 
 | 
Procedures for establishing communication between three or more audiovisual terminals using digital channels up to 1920 kbit/s
		 
  | 
H.244 
 | 
Synchronized aggregation of multiple 64 or 56 kbit/s channels
		 
  | 
H.245 
 | 
Control protocol for multimedia communication
		 
  | 
H.246 
 | 
Interworking of H-series multimedia terminals with H-series multimedia terminals and voice/voiceband terminals on GSTN, ISDN and PLMN
		 
  | 
H.247 
 | 
Multipoint extension for broadband audiovisual communication systems and terminals
		 
  | 
H.248 
 | 
Gateway control protocol
		  H.248 was renumbered when revised on 2002-03-29. H.248 main body, Annexes A to E and Appendix I were included in H.248.1. Subsequent annexes were sequentially numbered in the series, e.g. H.248 Annex F became H.248.2
  | 
H.Imp248 
 | 
Implementors' Guide for the H.248 Sub-series of Recommendations ("Media Gateway Control Protocol")
		 
  | 
H.248.1 
 | 
Gateway control protocol: Version 3
		  
  | 
H.Imp248.1 
 | 
Implementors' Guide for Recommendation H.248.1 Version 1 (03/2002) ("Media Gateway Control Protocol")
		 
  | 
H.248.2 
 | 
Gateway control protocol: Facsimile, text conversation and call discrimination packages
		  This Recommendation was first approved and published as Annex F to H.248, and then renumbered as H.248.2 on 2002-03-29 without further modification
  | 
H.248.3 
 | 
Gateway control protocol: User interface elements and actions packages
		 
  | 
H.248.4 
 | 
Gateway control protocol: Transport over Stream Control Transmission Protocol (SCTP)
		  This Recommendation was first approved and published as Annex H to H.248, and then renumbered as H.248.4 on 2002-03-29 without further modification
  | 
H.248.5 
 | 
Gateway control protocol: Transport over ATM
		  This Recommendation was first approved and published as Annex I to H.248, and then renumbered as H.248.5 on 2002-03-29 without further modification
  | 
H.248.6 
 | 
Gateway control protocol: Dynamic Tone Definition package
		 
  | 
H.248.7 
 | 
Gateway control protocol: Generic Announcement package
		  This Recommendation was first approved and published as Annex K to H.248, and then renumbered as H.248.7 on 2002-03-29 without further modification
  | 
H.248.8 
 | 
Gateway control protocol: Error code and service change reason description
		 
  | 
H.248.9 
 | 
Gateway control protocol: Advanced media server packages
		 
  | 
H.248.10 
 | 
Gateway control protocol: Media gateway resource congestion handling package
		  This Recommendation was first approved and published as Annex M2 to H.248, and then renumbered as H.248.10 on 2002-03-29 without further modification
  | 
H.248.11 
 | 
Gateway control protocol: Media gateway overload control package
		 
  | 
H.248.12 
 | 
Gateway control protocol: ITU-T H.248.1 packages for ITU-T H.323 and ITU-T H.324 interworking
		  This Recommendation was first approved and published as Annex M4 to H.248, and renumbered as H.248.12 on 2002-03-29 without further modification
  | 
H.248.13 
 | 
Gateway control protocol: Quality Alert Ceasing package
		 
  | 
H.248.14 
 | 
Gateway control protocol: Inactivity timer package
		 
  | 
H.248.15 
 | 
Gateway control protocol: SDP ITU-T H.248 package attribute
		 
  | 
H.248.16 
 | 
Gateway control protocol: Enhanced digit collection packages and procedures
		  
  | 
H.248.17 
 | 
Gateway control protocol: Line test packages
		 
  | 
H.248.18 
 | 
Gateway control protocol: Package for support of multiple profiles
		 
  | 
H.248.19 
 | 
Gateway control protocol: Decomposed multipoint control unit, audio, video and data conferencing packages
		 
  | 
H.248.20 
 | 
Gateway control protocol: The use of Local and Remote Descriptors with ITU-T H.221 and ITU-T H.223 multiplexing
		 
  | 
H.248.21 
 | 
Gateway control protocol: Semi-permanent connection handling package
		 
  | 
H.248.22 
 | 
Gateway control protocol: Shared Risk Group package
		 
  | 
H.248.23 
 | 
Gateway control protocol: Enhanced Alerting packages
		 
  | 
H.248.24 
 | 
Gateway control protocol: Multi-frequency tone generation and detection packages
		 
  | 
H.248.25 
 | 
Gateway control protocol: Basic CAS packages
		 
  | 
H.248.26 
 | 
Gateway control protocol: Enhanced analogue lines packages
		 
  | 
H.248.27 
 | 
Gateway control protocol: Supplemental tones packages
		 
  | 
H.248.28 
 | 
Gateway control protocol: International CAS packages
		 
  | 
H.248.29 
 | 
Gateway control protocol: International CAS compelled register signalling packages
		 
  | 
H.248.30 
 | 
Gateway control protocol: RTCP extended performance metrics packages
		 
  | 
H.248.31 
 | 
Gateway control protocol: Adaptive jitter buffer package
		 
  | 
H.248.32 
 | 
Gateway control protocol: Detailed congestion reporting package
		 
  | 
H.248.33 
 | 
Gateway control protocol: PCM frame spare bit package
		 
  | 
H.248.34 
 | 
Gateway control protocol: Stimulus analogue line package
		 
  | 
H.248.35 
 | 
Gateway control protocol: Coin-operated phone control package
		 
  | 
H.248.36 
 | 
Gateway control protocol: Hanging Termination Detection package
		 
  | 
H.248.37 
 | 
Gateway control protocol: IP NAPT traversal package
		 
  | 
H.248.38 
 | 
Gateway control protocol: Base context package
		 
  | 
H.248.39 
 | 
Gateway control protocol: ITU-T H.248 SDP parameter identification and wildcarding
		 
  | 
H.248.40 
 | 
Gateway control protocol: Application data inactivity detection package
		 
  | 
H.248.41 
 | 
Gateway control protocol: IP domain connection package
		 
  | 
H.248.42 
 | 
Gateway control protocol: DCME interworking package
		 
  | 
H.248.43 
 | 
Gateway control protocol: Packages for gate management and gate control
		 
  | 
H.248.44 
 | 
Gateway control protocol: Multi-level precedence and pre-emption package
		 
  | 
H.248.45 
 | 
Gateway control protocol: MGC information package
		 
  | 
H.248.46 
 | 
Gateway control protocol: Connection capability control package
		 
  | 
H.248.47 
 | 
Gateway control protocol: Statistic conditional reporting package
		 
  | 
H.248.48 
 | 
Gateway control protocol: RTCP XR block reporting package
		 
  | 
H.248.49 
 | 
Gateway control protocol: Session description protocol RFC and capabilities packages
		 
  | 
H.248.50 
 | 
Gateway control protocol: NAT traversal toolkit packages
		 
  | 
H.248.51 
 | 
Gateway control protocol: Termination connection model package
		 
  | 
H.248.52 
 | 
Gateway control protocol: QoS support packages
		 
  | 
H.248.53 
 | 
Gateway control protocol: Traffic management packages
		 
  | 
H.248.54 
 | 
Gateway control protocol: MPLS support package
		 
  | 
H.248.55 
 | 
Gateway control protocol: Generic pull mode package
		 
  | 
H.248.56 
 | 
Gateway control protocol: Packages for virtual private network support
		 
  | 
H.248.57 
 | 
Gateway control protocol: RTP control protocol package
		 
  | 
H.248.58 
 | 
Gateway control protocol: Packages for application level H.248 statistics
		 
  | 
H.248.59 
 | 
Gateway control protocol: Event timestamp notification package
		 
  | 
H.248.60 
 | 
Gateway control protocol: Identification of content of communication
		 
  | 
H.248.61 
 | 
Gateway control protocol: Packages for network level ITU-T H.248 statistics
		 
  | 
H.248.62 
 | 
Gateway control protocol: Re-answer package
		 
  | 
H.248.63 
 | 
Gateway control protocol: Resource management packages
		 
  | 
H.248.64 
 | 
Gateway control protocol: IP router packages
		 
  | 
H.248.65 
 | 
Gateway control protocol: Support of the resource reservation protocol
		 
  | 
H.248.66 
 | 
Gateway control protocol: Packages for RTSP and ITU-T H.248 interworking
		 
  | 
H.248.67 
 | 
Gateway control protocol: Transport mode indication package
		 
  | 
H.248.68 
 | 
Gateway control protocol: Package for removal of digits and tones
		 
  | 
H.248.69 
 | 
Gateway control protocol: Packages for interworking between MSRP and H.248
		 
  | 
H.248.70 
 | 
Gateway control protocol: Dialling method information packages
		 
  | 
H.248.71 
 | 
Gateway control protocol: RTCP support packages
		 
  | 
H.248.72 
 | 
Gateway control protocol: ITU-T H.248 support for media-oriented negotiation acceleration (MONA)
		 
  | 
H.248.73 
 | 
Gateway control protocol: Packages for media server control markup language and ITU-T H.248 interworking
		 
  | 
H.248.74 
 | 
Gateway control protocol: Media resource control enhancement packages
		 
  | 
H.248.75 
 | 
Gateway control protocol: Package Identifier Publishing and Application Package
		 
  | 
H.248.76 
 | 
Gateway control protocol: Filter group package and guidelines
		 
  | 
H.248.77 
 | 
Gateway control protocol: Secure real-time transport protocol (SRTP) package and procedures
		 
  | 
H.248.78 
 | 
Gateway control protocol: Bearer-level message backhauling and application level gateway
		 
  | 
H.248.79 
 | 
Gateway control protocol: Guidelines for packet-based streams
		 
  | 
H.248.80 
 | 
Gateway control protocol: Usage of the revised SDP offer/answer model with ITU-T H.248
		 
  | 
H.248.81 
 | 
Gateway control protocol: Guidelines on the use of the international emergency preference scheme (IEPS) call indicator and priority indicator in ITU-T H.248 profiles
		 
  | 
H.248.82 
 | 
Gateway control protocol: Explicit congestion notification support
		 
  | 
H.248.83 
 | 
Gateway control protocol: Media gateway instance package
		 
  | 
H.248.84 
 | 
Gateway control protocol: NAT traversal for peer-to-peer services
		 
  | 
H.248.85 
 | 
Gateway control protocol: Usage of loopback in ITU-T H.248
		 
  | 
H.248.86 
 | 
Gateway control protocol: ITU-T H.248 support for deep packet inspection
		 
  | 
H.248.87 
 | 
Gateway control protocol: Guidelines on the use of ITU-T H.248 capabilities for performance monitoring in RTP networks in ITU-T H.248 profiles
		 
  | 
H.248.88 
 | 
Gateway control protocol: RTP topology dependent RTCP handling by ITU-T H.248 media gateways with IP terminations
		 
  | 
H.248.89 
 | 
Gateway control protocol: TCP support packages
		 
  | 
H.248.90 
 | 
Gateway control protocol: ITU-T H.248 packages for control of transport security using transport layer security (TLS)
		 
  | 
H.248.91 
 | 
Gateway control protocol: Guidelines on the use of ITU-T H.248 capabilities for transport security in TLS networks in ITU-T H.248 profiles
		 
  | 
H.248.92 
 | 
Gateway control protocol: Stream endpoint interlinkage package
		 
  | 
H.248.93 
 | 
Gateway control protocol: ITU-T H.248 support for control of transport security using the datagram transport layer security (DTLS) protocol
		 
  | 
H.248.94 
 | 
Gateway control protocol: Web-based real-time communication services - ITU-T H.248 protocol support and profile guidelines
		 
  | 
H.248.95 
 | 
Gateway control protocol: ITU-T H.248 support for RTP multiplexing
		 
  | 
H.248.96 
 | 
Gateway Control Protocol: ITU-T H.248 Stream grouping and aggregation
		 
  | 
H.248.97 
 | 
Gateway Control Protocol: ITU-T H.248 support for control of SCTP bearer connections
		 
  | 
H.248.98 
 | 
Gateway control protocol: Support of remote media pause and resume
		 
  | 
H.249 
 | 
Extended user input indications
		 
  | 
H.261 
 | 
Video codec for audiovisual services at p x 64 kbit/s
		 
  | 
H.262 
 | 
Information technology - Generic coding of moving pictures and associated audio information: Video
		 
  | 
H.263 
 | 
Video coding for low bit rate communication
		 
  | 
H.Imp263 
 | 
Implementors' Guide for ITU-T Recommendation H.263
		 
  | 
H.264 
 | 
Advanced video coding for generic audiovisual services
		 
  | 
H.264.1 
 | 
Conformance specification for ITU-T H.264 advanced video coding
		 
  | 
H.264.2 
 | 
Reference software for ITU-T H.264 advanced video coding
		 
  | 
H.Imp264 
 | 
Implementors' Guide for ITU-T Recommendation H.264
		 
  | 
H.265 
 | 
High efficiency video coding
		 
  | 
H.265.1 
 | 
Conformance specification for ITU-T H.265 high efficiency video coding
		 
  | 
H.265.2 
 | 
Reference software for ITU-T H.265 high efficiency video coding
		 
  | 
H.266 
 | 
Versatile video coding
		 
  | 
H.266.1 
 | 
Conformance specification for ITU-T H.266 versatile video coding
		 
  | 
H.266.2 
 | 
Reference software for ITU-T H.266 versatile video coding
		 
  | 
H.271 
 | 
Video back-channel messages for conveyance of status information and requests from a video receiver to a video sender
		 
  | 
H.272 
 | 
Procedures and values for video gamma compensation in multimedia systems
		 
  | 
H.273 
 | 
Coding-independent code points for video signal type identification
		 
  | 
H.274 
 | 
Versatile supplemental enhancement information messages for coded video bitstreams
		 
  | 
H.281 
 | 
A far end camera control protocol for videoconferences using H.224
		 
  | 
H.282 
 | 
[Withdrawn] Remote device control protocol for multimedia applications
		  Since ITU-T H.281 is the protocol used by all shipping video conferencing products, including those using SIP and H.323 as call signalling protocol, it was decided to delete on 2010-02-12 the unused Recommendations ITU-T H.282, H.283 and T.136 in order to avoid any confusion
  | 
H.283 
 | 
[Withdrawn] Remote device control logical channel transport
		  Since ITU-T H.281 is the protocol used by all shipping video conferencing products, including those using SIP and H.323 as call signalling protocol, it was decided to delete on 2010-02-12 the unused Recommendations ITU-T H.282, H.283 and T.136 in order to avoid any confusion
  | 
H.310 
 | 
Broadband audiovisual communication systems and terminals
		 
  | 
H.320 
 | 
Narrow-band visual telephone systems and terminal equipment
		 
  | 
H.Imp320 
 | 
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
		 
  | 
H.321 
 | 
Adaptation of H.320 visual telephone terminals to B-ISDN environments
		 
  | 
H.322 
 | 
Visual telephone systems and terminal equipment for local area networks which provide a guaranteed quality of service
		 
  | 
H.323 
 | 
Packet-based multimedia communications systems
		  
  | 
H.Imp323 
 | 
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
		 
  | 
H.324 
 | 
Terminal for low bit-rate multimedia communication
		 
  | 
H.Imp324 
 | 
Revised Implementor's Guide for the ITU-T H.324 Recommendation series
		 
  | 
H.331 
 | 
Broadcasting type audiovisual multipoint systems and terminal equipment
		 
  | 
H.332 
 | 
H.323 extended for loosely coupled conferences
		 
  | 
H.341 
 | 
Multimedia management information base
		  This Recommendation includes one diskette containing the formal descriptions of Annexes A, B, C, D and E for the multimedia management information base.
  | 
H.350 
 | 
Directory services architecture for multimedia conferencing
		 
  | 
H.350.1 
 | 
Directory services architecture for H.323
		 
  | 
H.350.2 
 | 
Directory services architecture for H.235
		 
  | 
H.350.3 
 | 
Directory services architecture for H.320
		 
  | 
H.350.4 
 | 
Directory services architecture for SIP
		 
  | 
H.350.5 
 | 
Directory services architecture for non-standard protocols
		 
  | 
H.350.6 
 | 
Directory services architecture for call forwarding and preferences
		 
  | 
H.350.7 
 | 
Directory services architecture for XMPP
		 
  | 
H.Imp350 
 | 
Implementors' Guide for ITU-T H.350 Sub-series of Recommendations ("Directory Services Architecture for Multimedia Conferencing")
		 
  | 
H.351 
 | 
Semantic web interface for multimedia terminal and system directories (SWIM-D)
		 
  | 
H.360 
 | 
An architecture for end-to-end QoS control and signalling
		 
  | 
H.361 
 | 
End-to-end quality of service (QoS) and service priority signalling in H.323 systems
		 
  | 
H.362 
 | 
A framework for adaptive end-to-end QoS control based on variable bit-rate codecs in wireless networks
		 
  | 
H.420 
 | 
Telepresence system architecture
		 
  | 
H.430.1 
 | 
Requirements for immersive live experience (ILE) services
		 
  | 
H.430.2 
 | 
Architectural framework for immersive live experience (ILE) services
		 
  | 
H.430.3 
 | 
Service scenario for immersive live experience (ILE)
		 
  | 
H.430.4 
 | 
Service configuration, media transport protocols, signalling information of MPEG media transport for immersive live experience (ILE) systems
		 
  | 
H.430.5 
 | 
Reference models for immersive live experience (ILE) presentation environments
		 
  | 
H.430.6 
 | 
Media transport protocols, signalling information of haptic transmission for immersive live experience (ILE) systems
		 
  | 
H.430.7 
 | 
Requirements of interactive immersive services
		 
  | 
H.430.8 
 | 
Functional architecture of interactive immersive services (IIS) systems
		 
  | 
H.431.1 
 | 
Functional architecture for cloud virtual reality systems
		 
  | 
H.450.1 
 | 
Generic functional protocol for the support of supplementary services in ITU-T H.323 systems
		 
  | 
H.450.2 
 | 
Call transfer supplementary service for ITU-T H.323 systems
		 
  | 
H.450.3 
 | 
Call diversion supplementary service for H.323
		 
  | 
H.450.4 
 | 
Call hold supplementary service for ITU-T H.323 systems
		 
  | 
H.450.5 
 | 
Call park and call pickup supplementary services in ITU-T H.323 systems
		  Covering note, May 2000: Erratum
  | 
H.450.6 
 | 
Call waiting supplementary service for H.323
		 
  | 
H.450.7 
 | 
Message waiting indication supplementary service for ITU-T H.323 systems
		 
  | 
H.450.8 
 | 
Name identification supplementary service for ITU-T H.323 systems
		 
  | 
H.450.9 
 | 
Call completion supplementary services for H.323
		 
  | 
H.450.10 
 | 
Call offering supplementary services for H.323
		 
  | 
H.450.11 
 | 
Call intrusion supplementary service for H.323
		 
  | 
H.450.12 
 | 
Common Information Additional Network Feature for H.323
		 
  | 
H.460.1 
 | 
Guidelines for the use of the generic extensible framework
		 
  | 
H.460.2 
 | 
Number portability interworking between ITU-T H.323 and switched circuit networks
		 
  | 
H.460.3 
 | 
Circuit maps within H.323 systems
		 
  | 
H.460.4 
 | 
Call priority designation and country/international network of call origination identification for H.323 priority calls
		 
  | 
H.460.5 
 | 
H.225.0 transport of multiple Q.931 information elements of the same type
		 
  | 
H.460.6 
 | 
Extended Fast Connect feature
		 
  | 
H.460.7 
 | 
Digit maps within ITU-T H.323 systems
		 
  | 
H.460.8 
 | 
Querying for alternate routes within H.323 systems
		 
  | 
H.460.9 
 | 
Support for online QoS-monitoring reporting within H.323 systems
		 
  | 
H.460.10 
 | 
Call party category within H.323 systems
		 
  | 
H.460.11 
 | 
Delayed call establishment within H.323 systems
		 
  | 
H.460.12 
 | 
Glare control indicator within H.323 systems
		 
  | 
H.460.13 
 | 
Called user release control within H.323 systems
		 
  | 
H.460.14 
 | 
Support for Multi-Level Precedence and Preemption (MLPP) within H.323 systems
		 
  | 
H.460.15 
 | 
Call signalling transport channel suspension and redirection within H.323 systems
		 
  | 
H.460.16 
 | 
Multiple-message release sequence capability within H.323 systems
		 
  | 
H.460.17 
 | 
Using H.225.0 call signalling connection as transport for H.323 RAS messages
		 
  | 
H.460.18 
 | 
Traversal of ITU-T H.323 signalling across network address translators and firewalls
		 
  | 
H.460.19 
 | 
Traversal of ITU-T H.323 media across network address translators and firewalls
		 
  | 
H.460.20 
 | 
Location number within H.323 systems
		 
  | 
H.460.21 
 | 
Message broadcast for H.323 systems
		 
  | 
H.460.22 
 | 
Negotiation of security protocols to protect ITU-T H.225.0 call signalling messages
		 
  | 
H.460.23 
 | 
Network address translator and firewall device determination in ITU-T H.323 systems
		 
  | 
H.460.24 
 | 
Point-to-point media through network address translators and firewalls within ITU-T H.323 systems
		 
  | 
H.460.25 
 | 
Transport of geographic information in ITU-T H.323 systems
		 
  | 
H.460.26 
 | 
Using ITU-T H.225.0 call signalling connection as transport for media
		 
  | 
H.460.27 
 | 
End-to-end session identifier for ITU-T H.323 systems
		 
  | 
H.501 
 | 
Protocol for mobility management and intra/inter-domain communication in multimedia systems
		 
  | 
H.510 
 | 
Mobility for H.323 multimedia systems and services
		 
  | 
H.530 
 | 
Symmetric security procedures for H.323 mobility in H.510
		 
  | 
H.550 
 | 
Architecture and functional entities of vehicle gateway platforms
		 
  | 
H.551 
 | 
Architecture of vehicular multimedia systems
		 
  | 
H.552 
 | 
Implementation of vehicle multimedia systems
		 
  | 
H.560 
 | 
Communications interface between external applications and a vehicle gateway platform
		 
  | 
H.610 
 | 
Full service VDSL - System architecture and customer premises equipment
		 
  | 
H.611 
 | 
Full-Service VDSL - Operations, Administration Maintenance & Provision aspects
		 
  | 
H.621 
 | 
Architecture of a system for multimedia information access triggered by tag-based identification
		 
  | 
H.622 
 | 
A generic home network architecture with support for multimedia services
		 
  | 
H.622.1 
 | 
Architecture and functional requirements for home networks supporting IPTV services
		 
  | 
H.622.2 
 | 
Service capabilities and framework for virtual home networks
		 
  | 
H.623 
 | 
Web of things service architecture
		 
  | 
H.625 
 | 
Architecture for network-based speech-to-speech translation services
		 
  | 
H.626 
 | 
Architectural requirements for a video surveillance system
		 
  | 
H.626.1 
 | 
Architecture for mobile visual surveillance
		 
  | 
H.626.2 
 | 
Architecture for cloud storage in visual surveillance
		 
  | 
H.626.3 
 | 
Architecture for visual surveillance system interworking
		 
  | 
H.626.4 
 | 
Architecture for a point-to-point visual surveillance system
		 
  | 
H.626.5 
 | 
Architecture for intelligent video surveillance systems
		 
  | 
H.626.6 
 | 
Architecture for big data application in video surveillance systems
		 
  | 
H.626.7 
 | 
Functional architecture for machine vision systems in smart manufacturing
		 
  | 
H.626.8 
 | 
Protocols for feature-based distributed intelligent systems
		 
  | 
H.627 
 | 
Signalling and protocols for a video surveillance system
		 
  | 
H.627.1 
 | 
Protocols for mobile visual surveillance
		 
  | 
H.627.2 
 | 
Requirements and protocols for home surveillance systems
		 
  | 
H.627.3 
 | 
Protocols for intelligent video surveillance systems
		 
  | 
H.629.1 
 | 
Scenarios, framework and metadata for digitalized artwork images display system
		 
  | 
H.641 
 | 
SNMP-based sensor network management framework
		 
  | 
H.642.1 
 | 
Multimedia information access triggered by tag-based identification - Identification scheme
		 
  | 
H.642.2 
 | 
Multimedia information access triggered by tag-based identification - Registration procedures for identifiers
		 
  | 
H.642.3 
 | 
Information technology - Automatic identification and data capture technique - Identifier resolution protocol for multimedia information access triggered by tag-based identification
		 
  | 
H.643.1 
 | 
Architecture for the deployment of information-centric networks
		 
  | 
H.644.1 
 | 
Functional architecture for virtual content delivery networks
		 
  | 
H.644.2 
 | 
Virtual content delivery network - Network virtualization
		 
  | 
H.644.3 
 | 
Functional architecture of multimedia content delivery networks
		 
  | 
H.644.4 
 | 
Architecture for mobile/multi-access edge computing enabled content delivery networks
		 
  | 
H.644.5 
 | 
Functional architecture of content request routing service in multimedia content delivery networks
		 
  | 
H.644.6 
 | 
Architecture for video distribution systems
		 
  | 
H.644.7 
 | 
Functional architecture for media processing services
		 
  | 
H.644.8 
 | 
Requirements and architecture for audio and video processing for media processing services
		 
  | 
H.701 
 | 
Content delivery error recovery for IPTV services
		 
  | 
H.702 
 | 
Accessibility profiles for IPTV systems
		 
  | 
H.703 
 | 
Enhanced user interface framework for IPTV terminal devices
		 
  | 
H.704 
 | 
Enhanced user interface framework for IPTV terminal device - Gesture control interface
		 
  | 
H.705.1 
 | 
Layered specification for the IPTV service platform functional architecture based on open service capabilities
		 
  | 
H.705.2 
 | 
Requirements for live streaming systems based on the QUIC transport protocol
		 
  | 
H.705.3 
 | 
Requirements and architecture for open IPTV multicast service
		 
  | 
H.720 
 | 
Overview of IPTV terminal devices and end systems
		 
  | 
H.721 
 | 
IPTV terminal devices: Basic model
		 
  | 
H.722 
 | 
IPTV terminal device: Full-fledged model
		 
  | 
H.723 
 | 
IPTV terminal device: Mobile model
		 
  | 
H.724 
 | 
IPTV terminal device: Interworking-enabled model of multiple devices
		 
  | 
H.725 
 | 
IPTV terminal device: Virtualized model
		 
  | 
H.730 
 | 
Web-based terminal middleware for IPTV services
		 
  | 
H.740 
 | 
Application event handling for IPTV services
		 
  | 
H.741.0 
 | 
IPTV application event handling: Overall aspects of audience measurement for IPTV services
		 
  | 
H.741.1 
 | 
IPTV application event handling: Audience measurement operations for IPTV services
		 
  | 
H.741.2 
 | 
IPTV application event handling: Data structures of audience measurement for IPTV services
		 
  | 
H.741.3 
 | 
IPTV application event handling: Audience measurement for IPTV distributed content services
		 
  | 
H.741.4 
 | 
IPTV application event handling: Transport mechanisms for audience measurement
		 
  | 
H.741.5 
 | 
Application event handling: Overall aspects of personalized IPTV services
		 
  | 
H.742.0 
 | 
Use of video sensor devices for IPTV services: Architecture and requirements
		 
  | 
H.750 
 | 
High-level specification of metadata for IPTV services
		 
  | 
H.751 
 | 
Metadata for rights information interoperability in IPTV services
		 
  | 
H.752 
 | 
Multimedia content provisioning interface for IPTV services
		 
  | 
H.753 
 | 
Scene-based metadata for IPTV services
		 
  | 
H.760 
 | 
Overview of multimedia application frameworks for IPTV services
		 
  | 
H.761 
 | 
Nested context language (NCL) and Ginga-NCL
		 
  | 
H.762 
 | 
Lightweight interactive multimedia environment (LIME) for IPTV services
		 
  | 
H.763.1 
 | 
Cascading style sheets for IPTV services
		 
  | 
H.763.2 
 | 
Scalable vector graphics for IPTV services
		 
  | 
H.763.3 
 | 
HTML for IPTV services
		 
  | 
H.764 
 | 
IPTV services enhanced script language
		 
  | 
H.765 
 | 
Packaged IPTV application (widget) service
		 
  | 
H.766 
 | 
Lua for IPTV services
		 
  | 
H.770 
 | 
Mechanisms for service discovery and selection for IPTV services
		 
  | 
H.771 
 | 
SIP-based discovery of IPTV services
		 
  | 
H.772 
 | 
IPTV terminal device discovery
		 
  | 
H.780 
 | 
Digital signage: Service requirements and IPTV-based architecture
		 
  | 
H.781 
 | 
Digital signage: Functional architecture
		 
  | 
H.782 
 | 
Digital signage: Metadata
		 
  | 
H.783 
 | 
Digital signage: Audience measurement services
		 
  | 
H.784 
 | 
Digital signage: Display device control interface
		 
  | 
H.785.0 
 | 
Digital signage: Requirements of disaster information services
		 
  | 
H.785.1 
 | 
Digital signage: Service requirements and a reference model on information services in public places via an interoperable service platform
		 
  | 
H.810 
 | 
Interoperability design guidelines for personal connected health systems: Introduction
		 
  | 
H.811 
 | 
Interoperability design guidelines for personal connected health systems: Personal Health Devices interface
		 
  | 
H.812 
 | 
Interoperability design guidelines for personal connected health systems: Services interface
		 
  | 
H.812.1 
 | 
Interoperability design guidelines for personal connected health systems: Services interface: Observation Upload capability
		 
  | 
H.812.2 
 | 
Interoperability design guidelines for personal connected health systems: Services interface: Questionnaire capability
		 
  | 
H.812.3 
 | 
Interoperability design guidelines for personal connected health systems: Services interface: Capability Exchange capability
		 
  | 
H.812.4 
 | 
Interoperability design guidelines for personal connected health systems: Services interface: Authenticated Persistent Session capability
		 
  | 
H.813 
 | 
Interoperability design guidelines for personal connected health systems: Healthcare Information System interface
		 
  | 
H.820 
 | 
Conformance of ITU-T H.810 personal health system: Conformity assessment test plan
		 
  | 
H.821 
 | 
Conformance of ITU-T H.810 personal health system: Healthcare information system interface
		 
  | 
H.830.1 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 1: Web services interoperability: Health & Fitness Service sender
		 
  | 
H.830.2 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 2: Web services interoperability: Health & Fitness Service receiver
		 
  | 
H.830.3 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 3: SOAP/ATNA: Health & Fitness Service sender
		 
  | 
H.830.4 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 4: SOAP/ATNA: Health & Fitness Service receiver
		 
  | 
H.830.5 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 5: PCD-01 HL7 Messages: Health & Fitness Service sender
		 
  | 
H.830.6 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 6: PCD-01 HL7 Messages: Health & Fitness Service receiver
		 
  | 
H.830.7 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 7: Consent Management: Health & Fitness Service sender
		 
  | 
H.830.8 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 8: Consent Management: Health & Fitness Service receiver
		 
  | 
H.830.9 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 9: hData Observation Upload: Health & Fitness Service sender
		 
  | 
H.830.10 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 10: hData Observation Upload: Health & Fitness Service receiver
		 
  | 
H.830.11 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 11: Questionnaires: Health & Fitness Service sender
		 
  | 
H.830.12 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 12: Questionnaires: Health & Fitness Service receiver
		 
  | 
H.830.13 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 13: Capability Exchange: Health & Fitness Service sender
		 
  | 
H.830.14 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 14: Capability Exchange: Health & Fitness Service receiver
		 
  | 
H.830.15 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 15: FHIR Observation Upload: Health & Fitness Service sender
		 
  | 
H.830.16 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 16: FHIR Observation Upload: Health & Fitness Service receiver
		 
  | 
H.830.17 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 17: Personal Health Device Observation Upload (POU) Sender
		 
  | 
H.830.18 
 | 
Conformance of ITU-T H.810 personal health system: Services interface Part 18: Personal Health Device Observation Upload (POU) Receiver
		 
  | 
H.831 
 | 
Conformance of ITU-T H.810 personal health devices: WAN interface Part 1: Web services interoperability: Sender
		 
  | 
H.832 
 | 
Conformance of ITU-T H.810 personal health devices: WAN interface Part 2: Web services interoperability: Receiver
		 
  | 
H.833 
 | 
Conformance of ITU-T H.810 personal health devices: WAN interface Part 3: SOAP/ATNA: Sender
		 
  | 
H.834 
 | 
Conformance of ITU-T H.810 personal health devices: WAN interface Part 4: SOAP/ATNA: Receiver
		 
  | 
H.835 
 | 
Conformance of ITU-T H.810 personal health devices: WAN interface Part 5: PCD-01 HL7 messages: Sender
		 
  | 
H.836 
 | 
Conformance of ITU-T H.810 personal health devices: WAN interface Part 6: PCD-01 HL7 messages: Receiver
		 
  | 
H.837 
 | 
Conformance of ITU-T H.810 personal health devices: WAN interface Part 7: Consent management: Sender
		 
  | 
H.838 
 | 
Conformance of ITU-T H.810 personal health devices: WAN interface Part 8: Consent management: Receiver
		 
  | 
H.840 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface: USB host
		 
  | 
H.841 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 1: Optimized Exchange Protocol: Personal Health Device
		 
  | 
H.842 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 2: Optimized Exchange Protocol: Personal Health Gateway
		 
  | 
H.843 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 3: Continua Design Guidelines: Personal Health Device
		 
  | 
H.844 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 4: Continua Design Guidelines: Personal Health Gateway
		 
  | 
H.845.1 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5A: Weighing scales
		 
  | 
H.845.2 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5B: Glucose meter
		 
  | 
H.845.3 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5C: Pulse oximeter
		 
  | 
H.845.4 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5D: Blood pressure monitor
		 
  | 
H.845.5 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5E: Thermometer
		 
  | 
H.845.6 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5F: Cardiovascular fitness and activity monitor
		 
  | 
H.845.7 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5G: Strength fitness equipment
		 
  | 
H.845.8 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5H: Independent living activity hub
		 
  | 
H.845.9 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5I: Adherence monitor
		 
  | 
H.845.10 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5J: Insulin pump
		 
  | 
H.845.11 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5K: Peak expiratory flow monitor
		 
  | 
H.845.12 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5L: Body composition analyser
		 
  | 
H.845.13 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5M: Basic electrocardiograph
		 
  | 
H.845.14 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5N: International normalized ratio
		 
  | 
H.845.15 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5O: Sleep apnoea breathing therapy equipment
		 
  | 
H.845.16 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5P: Continuous glucose monitor
		 
  | 
H.845.17 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 5Q: Power status monitor
		 
  | 
H.846 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 6: Personal Health Gateway
		 
  | 
H.847 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 7: Continua Design Guidelines for Bluetooth Low Energy: Personal Health Devices
		 
  | 
H.848 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 8: Continua Design Guidelines for Bluetooth Low Energy: Personal Health Gateway
		 
  | 
H.849 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 9: Transcoding for Bluetooth Low Energy: Personal Health Devices
		 
  | 
H.850 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10: Transcoding for Bluetooth Low Energy: Personal Health Gateway - General requirements
		 
  | 
H.850.1 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10A: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Thermometer
		 
  | 
H.850.2 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10B: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Blood pressure
		 
  | 
H.850.3 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10C: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Heart-rate
		 
  | 
H.850.4 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10D: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Glucose meter
		 
  | 
H.850.5 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10E: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Weighing scales
		 
  | 
H.850.6 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10F: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Pulse oximeter
		 
  | 
H.850.7 
 | 
Conformance of ITU-T H.810 personal health system: Personal Health Devices interface Part 10G: Transcoding for Bluetooth Low Energy: Personal Health Gateway - Continuous glucose monitoring
		 
  | 
H.860 
 | 
Multimedia e-health data exchange services: Data schema and supporting services
		 
  | 
H.861.0 
 | 
Requirements on communication platform for multimedia brain information
		 
  | 
H.861.1 
 | 
Requirements on establishing brain healthcare quotients
		 
  | 
H.862.0 
 | 
Requirements and framework for ICT sleep management service models
		 
  | 
H.862.1 
 | 
Data model for sleep management services
		 
  | 
H.862.2 
 | 
Framework of annotation methods for biosignal data
		 
  | 
H.862.3 
 | 
Requirements of voice management interface for human-care services
		 
  | 
H.862.4 
 | 
Framework for information and communication technology olfactory function test systems
		 
  | 
H.862.5 
 | 
Emotion enabled multimodal user interface based on artificial neural networks
		 
  | 
H.862.6 
 | 
Functional requirements for counselling services based on artificial emotional intelligence
		 
  | 
H.862.7 
 | 
Interoperability framework for sleep management services
		 
  | 
H.862.8 
 | 
Requirements and framework of the occupational health service platform
		 
  | 
H.870 
 | 
Guidelines for safe listening devices/systems
		 
  | 
H.871 
 | 
Safe listening guidelines for personal sound amplifiers
		 
  | 
H.872 
 | 
Safe listening for video gameplay and esports
		 
  | 
H.Sup1 
 | 
Application profile - Sign language and lip-reading real-time conversation using low bit rate video communication
		  This Supplement includes one CD-ROM containing the video clip "Irene" to be used as test material for video coding of sign language.
  | 
H.Sup2 
 | 
ITU-T H.248.x sub-series packages guide - Release 16
		 
  | 
H.Sup3 
 | 
Operator requirements for full-service VDSL in ITU-T Recommendations H.610 and H.611
		 
  | 
H.Sup4 
 | 
Repository of generic parameters for ITU-T H.460.x sub-series Recommendations
		 
  | 
H.Sup5 
 | 
Gateway control protocol: Guidelines for resource management of 'IP Address & Port' resources for H.248 RTP terminations
		  H Suppl. 5 was an alias name of G Suppl. 5 (1984). Only this alias name was suppressed. ITU-T G Suppl. 5 remains valid
  | 
H.Sup6 
 | 
Control load quantum for decomposed gateways
		 
  | 
H.Sup7 
 | 
Gateway control protocol: Establishment procedures for the H.248 MGC-MG control association
		 
  | 
H.Sup8 
 | 
Gateway control protocol: Guidelines for synchronized time in ITU-T H.248 domains
		 
  | 
H.Sup9 
 | 
Gateway control protocol: Operation of H.248 with H.225.0, SIP, and ISUP in support of emergency telecommunications service (ETS)/international emergency preference scheme (IEPS)
		 
  | 
H.Sup10 
 | 
Proxy-aided NAT/FW traversal scheme for ITU-T H.323 multimedia systems
		 
  | 
H.Sup11 
 | 
Analysis of class-based home network QoS solutions
		 
  | 
H.Sup12 
 | 
Gateway control protocol: Priority traffic treatment by ITU-T H.248 gateways
		 
  | 
H.Sup13 
 | 
Gateway control protocol: Common ITU-T H.248 terminology - Release 2
		 
  | 
H.Sup14 
 | 
Gateway control protocol: SDP codepoints for gateway control - Release 2
		 
  | 
H.Sup15 
 | 
Conversion and coding practices for HDR/WCG Y'CbCr 4:2:0 video with PQ transfer characteristics
		 
  | 
H.Sup16 
 | 
[Withdrawn] Out-of-band characteristics of signals applied to leased telephone-type circuits
		  This Supplement was withdrawn because its content was out of date
  | 
H.Sup17 
 | 
Guide for addressing accessibility in standards
		 
  | 
H.Sup18 
 | 
Signalling, backward compatibility and display adaptation for HDR/WCG video coding
		 
  | 
H.Sup19 
 | 
Usage of video signal type code points
		 
  | 
H.Sup20 
 | 
Practice for intelligent traffic sensing device deployment on the roadside
		 
  | 
H.Sup21 
 | 
Film grain synthesis technology for video applications
		 
  |