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Dialogic DMG2120DTIQ Media Gateway, Turnkey, 4 T1 or 4 E1



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The 2000 Media Gateway Series (DMG2000 Gateway) is a turnkey appliance that seamlessly merges traditional PSTN technology with IP networks. This economical gateway helps consolidate typically separate voice and data networks and provides new and differentiated communications services. Without making radical, disruptive, and expensive upgrades to existing PBX equipment, service providers and enterprises can realize the benefits of a converged voice and data network.


  • Allows the ability for inbound (TDM-to-IP) calls to round-robin between available media servers and automatically routes calls away from unresponsive media or proxy servers
  • Available in single, dual, and quad density T1/E1 rack mount appliances
  • Compatible with a variety of popular PBX manufacturers including Avaya, Mitel, NEC, Nortel, and Siemens
  • Easy to install, configure, debug, and maintain
  • Enables communication between a circuit-switched telephony network and H.323 or Session Initiated Protocol (SIP) compatible remote devices
  • Enables secure communications for SIP messages via TLS, for media stream via SRTP, and for web interface via HTTPS
  • Helps retain key supplementary services in the new IP environment
  • IP security features include TLS, SRTP, and HTTPS
  • Offers a range of product densities to fit the needs of a variety of applications and business sizes
  • Protects investment in legacy telecommunications equipment and allows a phased migration to IP
  • Provides an interconnect between legacy PBXs and various IP endpoints
  • Provides the option for customers to build enhanced applications on top of base gateway and PBX functions, and make those applications available on legacy handsets
  • Seamless interoperability with Dialogic Host Media Processing software
  • Support for IP load balancing and IP fault tolerance
  • Supports configuration via serial, telnet, and a web browser including context-sensitive Help
  • Supports supplementary services on CAS, QSIG, Euro ISDN, NI2, DMS100, 5ESS protocols, enabling call transfer, call hold, MWI, and call party information


  • Centralized VoIP and FoIP applications servers, including IP-based voice mail and unified messaging
  • Contact centers
  • Interactive voice response (IVR) and announcements
  • IP PBX
  • Voice over Internet Protocol (VoIP) extension to branch offices