Mitel offers a familly of 3300 Controllers which allow the system to be deployed into many varied environments. The controllers offer great flexibility, as they can be deployed asa full IP-PBX with all services, trunks and legacy connections integrated, as a media gateway for larger networks, or to provide connection to legacy services for those choosing to run the MCD software on Industry Standard Servers, or as the enterprise edge for centralized networks that require survivable solutions for their remote sites.