Unified Communications Licences

Annoyingly each Cisco Unified Communications application has a different licence installation process, so here's a quick overview of how licences are handled:

Cisco Unified Communications Manager
Software, node and DLU licences are installed on the Publisher.

Cisco Unity Connection
Software and mailbox licences are installed on the Publisher.
HA node licences are installed on the Subscriber.

Cisco Unified Presence
Software and node licences are installed on the Publisher.
CUPC licences are installed on the CUCM Publisher.

Unified Contact Centre Express
Software and HA licences are installed on the Publisher.