... .711 bypass DAG 2000(32FXS) is a versatile IP-based voice and fax gateway. It is highly integrated router, NAT, phone gateway ... hold, Caller ID, DND standard voice service Anonymous call, Direct IP Call and Busy tone Fax over IP and Three –way conferences ... Call forwarding, Call waiting, Call display etc standard voice service and Busy tone, Fax over IP, Three-way conference . Support PPPoE client ...