Grandstream Analog FXO Gateway

HT841

• Supports 3 SIP profiles through 1 FXS port and 4 FXO ports
• High-performance NAT router
• Lifeline support (FXS port will be hard-relayed to FXO port) in case of a 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 the main server loses connection
• Strong AES encryption with security certificate per unit