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Interwise is a leading global innovator of IP conferencing. We selected SPIRIT for their superior voice technologies and support. By choosing SPIRIT, we have invested in an enhanced voice quality experience for our users.

Peggy Flynn Director, Corporate Communications Interwise, Inc.

Within three days of launching Viber on the iPhone late of 2010 year, we received one million downloads, and seven million within the first month, quickly becoming the No. 1 free app in the Netherlands, Spain, Singapore, Taiwan, Israel and several other countries, validating the enormous demand for quality, free mobile VoIP calling. We're incredibly pleased with this massive uptake and can credit SPIRIT's Voice Engine Mobile for the quality of the Viber voice experience.

Talmon Marco, CEO, Viber Media

We were looking for a sophisticated product, upon which we could build a service platform to offer our customers a superior communication experience quickly. The tests that we have conducted indicated that TeamSpirit Voice & Video Mobile is the best choice, meeting all our requirements and providing prompt time-to-market.

Terry McCabe, Chief Technology Officer, Mavenir (owned by Mitel)

We are dedicated to ensuring our global telecommunications service provider customers provide a superior communication experience to their users. We believe SPIRIT’s capabilities will help us power HD voice and video calling that will radically change the communication experience.

Scott Hoffpauir, Chief Technology Officer, BroadSoft

All сustomers’ opinions