Mitel - Business Communications and Collaboration
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Phonebooth - Phonebooth is one of the leading voip providers, providing phone systems & phone service for small businesses.
Melrose Labs CloudPBX - Advanced Hosted Cloud PBX for Your Team.
SendMyCall - We offer virtual and toll free numbers in more than 65 countries and providing innovative, cost-effective solutions. Increase your Business presence worldwide - Contact Us!
Dialpad - Switch is a cloud-based phone system built for Google Apps users.