32 FXS voip gateway, DAG2000-32S Supports G.711,G723.1, ... IP-based voice and fax gateway. It is highly integrated router, NAT, phone gateway functionality and has market-leading ... flow media conversion between the IP and PSTN.Large port access gateway Standard SIP protocols Standard G.723.1 ... DTMF-based CIDPolarity ReversalYesHomologationSafetyULComplianceFCC,CE 32 FXS VoIP Gateway Support Fax Over IP