The number of customer-reported cell phone call quality problems is 15 problems per 100 (PP100) calls, down 29% from the same period in 2006 (21 PP100), J.D.Powers & Associates reports.
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The number of customer-reported cell phone call quality problems is 15 problems per 100 (PP100) calls, down 29% from the same period in 2006 (21 PP100), J.D.Powers & Associates reports.