GRANDSTREAM NETWORKS HT813
Hybrid ATA with FXS and FXO ports
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The HT813 is an analog telephone adapter that features 1 analog telephone FXS port and 1 PSTN line FXO port.
• 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