Court finds Microsoft infringed AT&T patent

Plus: WilTel CEO talks strategy; VoIP still lags behind in quality, survey says

The U.S. Court of Appeals for the Federal Circuit ruled that Microsoft infringed an AT&T patent for speech-coding technology in its distribution of a master version of the Windows operating system outside the U.S. The ruling concludes a 2001 lawsuit between the two companies. IDG News Service reports that Microsoft agreed to an undisclosed settlement with AT&T in March 2004 in the case, but as part of that agreement the software maker was given the right to appeal liability for patent infringement. The District Court ruled that software copies made from a master version, sent from the U.S., are not shielded from patent law, which prohibits circumvention of infringement by exportation of products. (Read the story)

Branching out form its wholesale roots, WilTel has been pursuing the enterprise market for the past two years. WilTel CEO Jeff Storey recently spoke with Network World Senior Editor Carolyn Duffy Marsan about the company's progress and strategy, as well as its changing relationship with customer SBC. (Read the story)

VoIP phone systems still lag significantly behind the traditional phone network for reliability and quality, and there are major differences in quality among brands of VoIP service, according to a company that evaluated six providers in the U.S. The Keynote Systems study involved more than 150,000 automated VoIP-to-PSTN calls. (Read the story)

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