RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Parakeet - Cloud-based phone system with mobile app, designed for teams
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
Convoso - Call center solution to covert leads faster
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs
KronoDesk - KronoDesk is a web-based help desk solution.