This Microsoft partner-provided service, commonly referred to as Cloud Video Interop (CVI), allows various standards-based Video Teleconferencing (VTC) endpoints to join scheduled Skype for Business and Teams meetings. This on-premises server is an optional component to the RealConnect service, only needing to be deployed when using Skype for Business Server and/or supporting Cisco endpoints with the One Touch Dial service. Polycom Cloud Relay – outlines the purpose of this component, how it works, and then walks through the steps for deploying a Cloud Relay virtual server on-premises. (A separate article covers the additional configuration for Cisco VTCs.) Polycom One Touch Dial Service – explains what this ancillary service is, how it works, and provides detailed configuration steps for using it with Polycom VTCs. (A future article will cover the additional configuration steps required to support Skype for Business Server or Hybrid deployments with the service.) RealConnect Service for Skype and Teams – introduces the overall solution and the steps to activate the service for use with Skype for Business Online meetings and/or Teams meetings. This article is the first in a series which covers Polycom’s RealConnect service, a Microsoft Azure-based video interoperability service for Skype for Business and Microsoft Teams meetings.