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 Enhanced Presence information, instant messaging, telephone and video calls, and audio/video conferencing.
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access
application
audio conferencing
communication
control
developers
development
managedapi
messaging
microsoft
platform
presence
runtime
technology
telephony service
ucma
unified communications
video calls
video conferencing