A new survey from ChangeWave Research reveals that the firm's business-focused survey base is seeing the highest percentage of dropped calls (4.5%) on AT&T, easily exceeding performance leader Verizon (1.5%), as well as Sprint (2.4%) and T-Mobile (2.8%).

111315 dropped calls

Not only is AT&T trailing the other major U.S. carriers, but the poor performance is part of a trend of increasing drop calls against the background of improving performance from rival Verizon, as well as major investments made by AT&T to address performance in some of its most troubled markets.

111315 verizon vs att dropped

The survey notes that the percentage of dropped calls for each carrier closely mirrors customer satisfaction, with 49% of survey respondents on Verizon indicating that they are "very satisfied" with their carrier, while only 23% of AT&T customers in the survey pool indicated the same.

111316 service provider satisfaction

ChangeWave's study focused on voice services, where AT&T apparently continues to struggle. A study released earlier this year indicated that AT&T's data service has improved markedly in most markets, pushing the carrier to the top of the heap by many metrics.

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