You can configure the BEMS-Presence and BEMS-Connect services for users that are located in multi-cluster Cisco Unified Communications Manager for IM and Presence deployments to locate and communicate with each other.

Configuring your Cisco Unified Communications Manager for IM and Presence multi-cluster environment with the BEMS Presence and Connect service allows users to connect and communicate with users in the same Presence domain and located in separate clusters.