... G.711 bypass DAG 2000(32FXS) is a versatile IP-based voice and fax gateway. It is highly integrated router, NAT ... Call forward, Do not disturbQosDiff Serve, TOS, 802.1P/Q VLAN taggingNetwork ProtocolsTCP/UDP,RTP/RTCP,HTTP,ARP/RARP,ICMP,DNS ... FeaturesCaller IDBellcore Type 1 & 2, ETSI,BT,NTT, and, DTMF-based CIDPolarity ReversalYesHomologationSafetyULComplianceFCC,CE Dinstar 32 Port FXS SIP ATA Gateway