Grandstream HT881 1xFXS 8xFXO Analog FXO Gateway

The HT881 includes FXO and FXS ports to support remote calling to and from the PSTN line. Advanced telephony features, easy automated provisioning, and superb voice quality allow the HT8x1 series to be the ideal VoIP gateway for businesses.

• Supports 3 SIP profiles through 1 FXS port and 8 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