Networking Investigate

SIP - The Driving Force in Desktop Multimedia Conferencing

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Executive Summary

Microsoft chose SIP as this signaling protocol for its Windows Messenger communications client, offering voice, video and data conferencing along with IM in a single interface/application. And Marconi earlier this year introduced its ViPr SIP-based desktop conferencing system for highly functional, highly scalable desktop videoconferencing. It is important to note that, while in this piece they aim to highlight some of the technology benefits of SIP, they believe that each protocol offers its own strengths in IP-based multimedia communications - H.323 is more mature and widely used and SIP is more 'Next-gen." RADVISION's philosophy is that one should not force their customer to choose one protocol over the other so the solution supports both standards as well as ISDN and 3G wireless.

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