The Cisco Communication Media Module (CMM) is a Cisco Catalyst 6500 Series Switch and Cisco 7600 Series Router line card that provides high-performance and high-density voice over IP (VoIP) gateways and Media Services. CMM allows organizations to connect their existing time-division multiplexing (TDM) network to their IP communications network, provide connectivity to the public switched telephone network (PSTN), and enable conferencing, transcoding, and media termination services for their IP Communication networks.
