CALLSTATS I/O Oy is a Software as a Service company based out of Helsinki. It provides products that measure and manage the performance of real-time media communication. The callstats.io product helps software developers set up, build, and scale communication applications quickly. Founded in 2014 and originally known as Nemu Dialogue Systems, Callstats.io was named a Cool Vendor in Unified Communications in 2016 by research firm Gartner. The callstats.io product integrates with various third party SDKs and PaaS solutions which make it easier to build and deploy WebRTC applications.