Unified Communications Managed API (UCMA)

UCMA is an API to access the communication capabilites of Office Communication Server (OCS) and Lync (the next generation of OCS).

UCMA 2.0:

UCMA 3.0:

  • Targeted at Lync
  • SDK Documentation
  • Added B2BUA and media stack - this makes it possible to use limited UCMA 3.0 functionality without Lync.

UCMA 4.0:

  • Primarily for middle tier application against Microsoft Lync Server 2013
  • managed code API based on SIP
  • What is UCMA 4.0