32 FXS voip gateway, DAG2000-32S Supports G.711,G723.1,G.729 A/B Support 1 wan,3 lan router T.38 or ... interfaces for users, and offers two configuration ports: WAN and Serial.Full-features to meet customer’s requirements:Supporting many applications such ... & 2, ETSI,BT,NTT, and, DTMF-based CIDPolarity ReversalYesHomologationSafetyULComplianceFCC,CE VoIP SIP Gateway With 32FXS Ports