H.323 Protocol
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Printed Date: 13Mar2025 at 1:59pm
Topic: H.323 Protocol
Posted By: vidhya
Subject: H.323 Protocol
Date Posted: 29Mar2007 at 1:55am
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H.323 Protocol
H.323 is a protocol standard for multimedia communications. H.323 was designed to support real-time transfer of audio and video data over packet networks like IP. The standard involves several different protocols covering specific aspects of Internet telephony. The International Telecommunication Union (ITU-T) maintains H.323 and these related standards. Most applications utilize H.323. H.323 supports call setup, teardown and forwarding/transfer. Architectural elements of a H.323 based system are Terminals, Multipoint Control Units (MCUs), Gateways, an optional Gatekeeper and Border Elements. Different functions of H.323 run over either TCP or UDP. Public Switched Telephone Network PSTN is the global collection of interconnects originally designed to support circuit-switched voice communication. The PSTN provides the traditional Plain Old Telephone Service (POTS) to residences and many other establishments. Parts of the PSTN are also utilized for DSL, http://www.beijinginsight.com/tester/viewtopic.php?t=79 - and other Internet-based network technologies. The basic PSTN network link supports 64 Kbps bandwidth. In residences, the PSTN phone line carring this bandwidth is typically a copper cable. Traditional dial-up modems utilize nearly 56 Kbps of this bandwidth when connected to a phone line. The PSTN utilizes the signaling protocol. _________________ ------------- MBA Examination papers 
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