VinaPhone Selects KoolSpan to Power ProCall Secure Communications Solution

VinaPhone ( http://vinaphone.com.vn ), the leading provider of advanced telecommunications technologies and services to government, enterprise, small & medium-sized business, and consumers in Vietnam announces its partnership with KoolSpan ( https://KoolSpan.com ), to power VinaPhone ProCallTM, ( http://procall.vn/en/ ), the secure mobile communications solution for Vietnam.