Cloud PBX/UCaaS Plans

Mastor is proud to be a Platinum partner for one of the leading providers in the country, NUSO.  They have been at the forefront of Cloud PBX and Unified Communications since 2009.  Our partnership is foundational to our business and provides our customers with a level of support unmatched in the industry.

You’re Aiming for Success, Let Us Help You Get There


Our goal is to help make your business communications easy, affordable, and reliable. NUSO Cloud service (UCaaS) delivers real-time solutions for business phone, collaboration, and video for the SMB to enterprise market.

NUSO Makes Things Simple

Web-based Management and Delivery

Through NUSO’s single sign-on web portal, you have access to real-time service management, reporting, and an easy support ticketing system. But don’t worry, Mastor is always available to manage your service for you.  The choice is yours.

  • View and manage all your users and features in one portal
  • Execute moves, adds and changes with a few clicks
  • Support from NUSO’s 24/7 US based Network Operations Center

Unmatched Support

With an average wait time of only 22 seconds, over 97% of partners and customers rate NUSO Customer Service as “GREAT”.

99.999% Uptime

When it comes to communications, uptime is the only thing that matters. NUSO has 99.999% reliability through our diverse, geo-redundant data centers to maintain business continuity.


Businesses have different needs. Customize a solution that works best for your needs by working with your dedicated Mastor Account Manager.

Plans starting as low as $19.95/month per user

Additional phone models available at each service level. Additional Charges may apply.
Click here to view supported phones

*Assumes normal business use. No call centers or dialers allowed. Unlimited Usages is governed by our Acceptable Use Policy, which can be found at Maximum of 2000 minutes per each line and is pooled across all line. Example 6 Hosted lines would be 6 x 2000 minutes equals 12,000 total minutes per month.