H.323 is a recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines the protocols to provide audio-visual communication...
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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...
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H323Plus (redirect from Open H.323)
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...
2 KB (213 words) - 23:35, 17 August 2023
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...
2 KB (286 words) - 15:19, 16 October 2023
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...
15 KB (1,481 words) - 20:52, 2 July 2024
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...
2 KB (153 words) - 23:16, 1 May 2020
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...
5 KB (564 words) - 17:56, 19 February 2024
gradually replaced or complemented by standardized protocols, including H.323, especially SIP. The protocols works through a "master" / "slave" mode of...
4 KB (493 words) - 17:29, 11 August 2023
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...
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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...
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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...
84 KB (9,926 words) - 11:36, 30 August 2024
[citation needed] NetMeeting is an implementation of the ITU T.120 and H.323 protocol stacks for videoconferencing, with Microsoft extensions. A call...
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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...
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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...
122 KB (13,120 words) - 08:12, 27 August 2024
Internet Engineering Task Force (IETF), while other protocols, such as H.323, have traditionally been associated with the International Telecommunication...
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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...
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The protocol represents a decomposition of other VoIP models, such as H.323 and the Session Initiation Protocol (SIP), in which the endpoint devices...
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Advanced Video Coding (redirect from H.264)
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...
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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...
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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...
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and H.323) Call transfer (SIP and H.323) Call hold (SIP and H.323) DTMF support (SIP and H.323) Basic instant messaging (SIP) Text chat (SIP and H.323) Register...
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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...
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High Efficiency Video Coding (redirect from H.265/MPEG-H Part 2)
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...
154 KB (16,536 words) - 14:42, 31 August 2024
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...
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Initiation Protocol H.323 Comparison of audio coding formats RFC 3551, RTP Profile for Audio and Video Conferences with Minimal Control, H. Schulzrinne, S...
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H.323 are signaling protocols, while media gateway control protocols are device control protocols. The architectural difference between SIP and H.323...
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Versatile Video Coding (redirect from H.266)
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...
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including Session Initiation Protocol (SIP), SIMPLE, T.120, XMPP, and H.323. HCL Sametime Connect can run under Microsoft Windows, Linux, and macOS...
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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...
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(SIP), the Media Gateway Control Protocol (MGCP), Megaco, and the H.323 protocol. H.323 is one of the earliest VoIP protocols, but its use is declining...
3 KB (339 words) - 04:48, 18 June 2024