... A/B Support 1 wan,3 lan router T.38 or G.711 bypass DAG ... and fax gateway. It is highly integrated router, NAT, phone gateway functionality and has market ... 729 A/BFax over IPT.38 or G.711 bypassDHCP Client/ServerNAT Router or Switched ModeTelephony ... PPPOE, STUNDTMF MethodRFC 2833,SIP InfoSignalingSIP(RFC 3261)over UDPProvisioningTFTP,HTTPManagementWEB browser, Telnet, Voice promptPhysicalUniversal Power ...