Truly Wireless VS OnSIP

RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies

Windstream Holdings - Windstream Holdings is a scalable cloud-based business phone solution that provides complete and unified communication applications to businesses of all sizes.

JustCall - The Cloud Phone System of choice for modern sales and support teams. We help end clueless conversations by adding context to every call.

BVoIP - BVoIP allows to easily add Cloud & On-Premise VoIP PBX to the product offering without having to re-invent the wheel or add another layer to the daily operations..

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

Loop Communications - Loop Communications provides hosted VoIP business phone systems to small businesses and mid-sized companies.