Futurum Research·InsightSpearline Acquires Callstats from 8X8 to Solidify Position as Global Leader in Communication TestingSean Spradling, senior analyst at Wainhouse Research, part of The Futurum Group family of companies, covers news of Spearline’s acquisition of Callstats and what these new capabilities mean for Spearline moving forward as it relates to the testing and analysis of fixed line, cellular, and webtrc…January 6, 2023