Supports 2 SIP profiles through 1 FXS port and 1 FXO port Dual 100Mbps LAN and WAN ports Lifeline support (FXS port will be hard-relayed to FXO port) in case of power outage 3-way voice conferencing per port Automated & secure provisioning options using TR069 Supports T.38 Fax for reliable Fax-over-IP Failover SIP server automatically switches to secondary server if main server loses connection Strong AES encryption with security certificate per unit