RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
MeetingMogul - Join any conference call with one-touch
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
CALLR - CALLR is an extremely helpful app for those who have to deal with call control protocols for their business. You can create a customized call control system that will perform a wide range of functions.
Nexys Mobile - Mobile Phone plans and Services for highly mobile small business workers and entrepreneurs who run their lives from their phone.
MobileDay - MobileDay provides one-touch access into conference calls and online meetings from iOS or Android devices.