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Sprint Nextel thew out 489 PBXs and switched over their 39,000 employees to using Microsoft Lync, a unified commutations solution gaining in popularity. Sprint Nextel said their goal was to "reduce its environmental impact, improve employee productivity, and reduce costs and administration for its cumbersome telephony systems". Whether they truly "threw out" the 489 PBXs and they're sitting in a landfill somewhere or they sold off the PBXs is unknown, but I'm hoping for the latter or it would defeat Sprint Nextel's purpose of "reduced environmental impact".

http://www.techzone360.com/news/2011/12/16/6001063.htm

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http://www.microsoft.com/casestudies/Case_Study_Detail.aspx?CaseStudyID=4000011522

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