If your organisation requires a feature rich solution, Unifi recommend
that you consolidate your communications infrastructure with Cisco Unified Communications Manager. The solution features IP telephony,
high-definition video, unified messaging, Instant Message and Presence.
Cisco Unified Communications Manager can be deployed to suit your requirements, as an appliance, hosted, or installed on your own hardware.
Cisco Unified Communications Manager supports the needs of small
and midsize businesses through to the largest enterprises with up to 80,000 users.