The Cisco DPA Series of voice mail gateways is a family of Voice over IP (VoIP) gateways that enables legacy voice mail equipment to connect to a Cisco IP telephony solution network. The Cisco DPA 7610 supports a number of leading traditional voice mail systems, including Nortel Meridian 1 (release 17 and above), Octel 200 and 300 (Octel Aria), and Octel 250 and 350 (Octel Serenade) systems.