XO Hosted PBX - Hosted PBX is a scalable UC solution that uses cloud technology to integrate HD voice & data services, mobility, along with advanced calling

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..

Ooma Office - VoIP-based business phone system solution for small firms

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

HoduPBX - Communication with your team streamlined. Simple & easy!

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