Five9 - Five9 provides cloud-based call center software for sales, marketing and support.
CallN - Intelligent cloud based VOIP call recording software & speech analytics solutions for any business. Compatible with a range of CRMs & telephony systems.
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs
Fonvirtual - Virtual PBX, international virtual phone numbers and Call Center software, with WebRTC extensions and agents. The new VoIP phone system. No term contracts.
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
SoliCall PBXMate - Echo cancellation and Noise Reduction for telephony