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SIP based text conversation: real-time text conversation in a total conversation environment using RTP and RFC2793 packetization
2003 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Multimedia communication today consists mainly of video and audio transmissions. Hard of hearing computer users would have benefits of this technology in their everyday life if real-time text communication were added. For this purpose, Gunnar Hellström at Omnitor AB developed Real-time Transport Protocol (RTP) Payload Type for Text Conversation (RFC2793). However, developers around the world have not yet included RFC2793 in their multimedia clients. This report describes a project, which will help disseminating RFC2793. An open source RFC2793 plug-in for Java Media Framework (JMF) has been created in order to help developers include RFC2793 in their clients. The plug-in has also been implemented in a Session Initiation Protocol (SIP) based multimedia client for demonstration purposes. The implementation will help disseminating RFC2793, and in the long-term help the hard of hearing in their everyday life.

Place, publisher, year, edition, pages
Keyword [en]
Technology, RTP, Real-time Transfer Protocol, SIP, Session Initiation, Protocol, JMF, Java Media Framework, RFC2793, ITU-T, T.140
Keyword [sv]
URN: urn:nbn:se:ltu:diva-44962ISRN: LTU-EX--03/246--SELocal ID: 2b3e6e64-73e2-4985-858f-488cd59e8942OAI: diva2:1018241
Subject / course
Student thesis, at least 30 credits
Educational program
Computer Science and Engineering, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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