The DAG2000-8S8O Hybrid Analog VoIP Gateway offers seamless connectivity between IP-based telephony networks and legacy telephones (POTS), fax machines, or PBX systems. The analog gateway has 8 FXS and 8 FXO ports that integrate both FXS and FXO qualities. Besides, the gateway is also built with power failover and IP/SIP fail-over features. It's interoperable with leading IMS/NGN platforms and SIP-based IP Phone systems thanks to the standard SIP protocol. Small and medium businesses, call centers, SOHO, remote offices, and corporations with several branches can all benefit from its low-cost and simple-to-use VoIP solutions.