H.323 is a recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines the protocols to provide audio-visual communication...

H.245 is a control channel protocol used with[in] e.g. H.323 and H.324 communication sessions, and involves the line transmission of non-telephone signals...

An H.323 Gatekeeper serves the purpose of Call Admission Control and translation services from E.164 IDs (commonly a phone number) to IP addresses in...

goal developing a full featured, open source (MPL) implementation of the H.323 Voice over IP protocol. The code is written in C++ and, through the development...

interoperable. They are both complementary to H.323 and the Session Initiation Protocol (SIP) protocols. H.248 was the result of collaboration of the MEGACO...

H.235 covers security and encryption for H.323 and other H.245 based terminals. The standard addresses authentication by means of several algorithms, including...

gradually replaced or complemented by standardized protocols, including H.323, especially SIP. The protocols works through a "master" / "slave" mode of...

Initiation Protocol (SIP), connection management protocol developed by the IETF H.323, one of the first VoIP call signaling and control protocols that found widespread...

signaling proxy for call events initiated over other common protocols such as H.323, and Session Initiation Protocol (SIP) for voice over IP, or ISDN for the...

standards organization. RTP is used in conjunction with other protocols such as H.323 and RTSP. The RTP specification describes two protocols: RTP and RTCP. RTP...

[citation needed] NetMeeting is an implementation of the ITU T.120 and H.323 protocol stacks for videoconferencing, with Microsoft extensions. A call...

fractionated high bandwidth T1 lines. Modern products based on H.320 standard usually support also H.323 standard. The IAX2 protocol also supports videophone calls...

H.460 is a series of extensions to the H.323 videoconferencing standard from the ITU. Introduced in 2005, several of the extensions, including H.460.17...

The Messerschmitt Me 323 Gigant ("Giant") was a German military transport aircraft of World War II. It was a powered variant of the Me 321 military glider...

Internet Engineering Task Force (IETF), while other protocols, such as H.323, have traditionally been associated with the International Telecommunication...

Initiation Protocol (SIP), the Media Gateway Control Protocol (MGCP), and H.323. Asterisk supports most SIP telephones, acting both as registrar and back-to-back...

The protocol represents a decomposition of other VoIP models, such as H.323 and the Session Initiation Protocol (SIP), in which the endpoint devices...

Advanced Video Coding (AVC), also referred to as H.264 or MPEG-4 Part 10, is a video compression standard based on block-oriented, motion-compensated...

Video Coding (HEVC), also known as H.265 and MPEG-H Part 2, is a video compression standard designed as part of the MPEG-H project as a successor to the widely...

Gatekeeper (abbreviated as GnuGk) is a free software project that implements an H.323 Gatekeeper based on the OpenH323 or H323Plus stack. A gatekeeper provides...

Initiation Protocol H.323 Comparison of audio coding formats RFC 3551, RTP Profile for Audio and Video Conferences with Minimal Control, H. Schulzrinne, S...

Versatile Video Coding (VVC), also known as H.266, ISO/IEC 23090-3, and MPEG-I Part 3, is a video compression standard finalized on 6 July 2020, by the...

protocol known as H.323. It parallels another set of standards known as QSIG which define similar services for ISDN based networks. H.450.1, Supplementary...

H.323 are signaling protocols, while media gateway control protocols are device control protocols. The architectural difference between SIP and H.323...

developers experienced with the ITU H.323 standard, especially from VoIP-projects like the world's first commercial H.323 VoIP service launched in 1997 with...

signals for H.300-series terminals, including H.323 and H.320. This Recommendation defines the use of advanced video codecs, including H.264: Command...

VoIP server. The ATA communicates with the server using a protocol such as H.323, SIP, MGCP, SCCP or IAX, and encodes and decodes the voice signal using...

722.1, G.728, G.729A, Siren Codec; Video: H.261, H.263, H.264; Data: T.120, People+ Content, H.239, H.323 Annex Q far-end camera control QuteCom, formerly...

including Session Initiation Protocol (SIP), SIMPLE, T.120, XMPP, and H.323. HCL Sametime Connect can run under Microsoft Windows, Linux, and macOS...

use H.323 as the protocol of choice in their core backbones. With the most recent changes introduced for H.323,[when?] it is now possible for H.323 devices...