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Nextiva - Business VoIP, cloud phone systems trusted by more than 150,000 companies. Powered by the leading cloud PBX VoIP platform, Nextiva is rated the best business VoIP service provider.
CallHippo - Easy to use Phone System with World-Class Support
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
KrispCall - Virtual cloud phone system for business
Genesys Cloud - As the foundation of great customer experience, the Genesys PureCloud contact center platform empowers your business to provide excellent service across the entire customer journey.