The Grandstream HT813 Hybrid Analog Telephone Adapter provides seamless integration of both analog phones and PSTN lines, with 1 FXS and 1 FXO port for versatile communication solutions. It offers secure, reliable performance with automatic failover, dual LAN/WAN ports, and support for Fax-over-IP, making it ideal for both residential and business environments.

• Supports 2 SIP profiles with 1 FXS port and 1 FXO port for flexible connectivity

• Dual 100Mbps LAN and WAN ports for high-speed network support

• Lifeline support ensures the FXS port is hard-relayed to the FXO port during power outages

• Provides 3-way voice conferencing for efficient communication

• Secure AES encryption and automated provisioning options using TR069 for enhanced security