The document discusses a report from Invoca about how call intelligence technology allows marketers to analyze phone call data. The report analyzed over 100 customers across several industries. It found that using call intelligence, marketers increased call volumes by 28% on average in 2014 by understanding when and why people were calling. Marketers also improved lead quality by understanding which campaigns drove calls and conversions. Marketers using call intelligence exceeded ROI goals by achieving a 47% increase in revenue from phone calls year-over-year.