Grandstream 1 FXS, 1 FXO, 2 GigE NAT Router GS-HT813 extension module call queues

call queues

including call transfer

and encrypted

Flexibility of 4 detachable/changeable antennas for different application scenarios

Carrier-grade security features including secure boot

Grandstream 1 FXS, 1 FXO, 2 GigE NAT Router GS-HT813 extension module call queuesSupports 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