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Microsoft Messenger: SIP goes mainstream - Evaluation of hardware and software endpoints for voice over IP (VoIP) in the enterprise network

  • ID: 1359
  • January 2002
  • Region: Global
  • The Tolly Group
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Even though proponents of the Session Initiation Protocol (SIP) have valiantly promoted the open, generic signaling protocol for packet voice and other applications, a firmly entrenched H.323 protocol has managed to thwart sizable SIP market gains. That is, until now. With Microsoft's release of Messenger for Windows XP, the software giant has shed its H.323 skin and revealed newfound support for SIP in its Messenger suite. That means SIP is going mainstream - in Windows XP and Windows 2000.

But what does Messenger, and its support for SIP, mean for enterprise network designers who need to support voice over IP (VoIP)? Can the Messenger/SIP tandem effectively serve as a VoIP soft phone? Can Microsoft overcome the latency and voice quality snafus experienced with NetMeeting? Can Messenger compete effectively against the likes of hardware-based IP phones? Learn the answers to these questions, and more, in a compelling new research report authored by The Tolly Group, the IT industry's premiere testing organization.

Tolly Group engineers benchmark Messenger against NetMeeting and two popular IP-based phones to better understand its operating characteristics, latency behavior and voice quality. You get 25 pages of research-packed analysis, charts teeming with testing-based results on latency characteristics, voice quality measurements, bandwidth characteristics, support for explicit tagging. as well as The Tolly Group's consensus recommendations on Messenger's strengths and weaknesses for VoIP networks.

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