Download UCMA 5.0 SDK from Official Microsoft Download Center

Screens and app icons for Office apps that are part of Microsoft 365

Microsoft 365

Premium Office apps, extra cloud storage, advanced security, and more—all in one convenient subscription

Person using Power BI Desktop

Power BI

Transform data into actionable insights with dashboards and reports


Important! Selecting a language below will dynamically change the complete page content to that language.

Unified Communications Managed API (UCMA) 5.0 is a managed-code platform that developers use to build applications that provide access to and control over Microsoft’s Enhanced Presence information, instant messaging, telephone and video calls, and audio/video conferencing.