Microsoft OCS Remote call control is integration with PBX functionality.
Basic calls and few services are working, below scenario is not working when integration with Microsoft OCS.
Physical Extension-A has MOC-A and physical extension-B has MOC-B configured.
Call from MOC-A to MOC-B, MOC-B is ringing, call is cleared at MOC-B, but call is not cleared at both the physical extensions and also call is not cleared at MOC-A, call is proceeding like normal
Fault observed that no response/event is received from Microsoft OCS when call cleared at MOC-B.