1. Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs

  2. 3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such...

  3. Five9 provides cloud-based call center software for sales, marketing and support.

  4. Jive's Hosted VoIP UC platform is an enterprise-grade business phone system that works for any organization. Welcome to Unified Communications in the cloud.

  5. Switch is a cloud-based phone system built for Google Apps users.

  6. Use your iPhone, iPad or iPod touch to make and receive calls using your 8x8 Virtual Office phone...

  7. MyOperator is a cloud-based call management system that provides solutions such as IVR, virtual number, toll free number, virtual PBX, etc for businesses.

  8. Grasshopper enables entrepreneurs to build a virtual office that connects callers to employees, wherever they are.

  9. RingDNA is a provider of cloud based inside sales productivity and marketing intelligence software such as call tracking, dialers, and IVR.