Grandstream HT881 Analog FXO Gateway — 8 FXO Ports, 1 FXS Port, GigE PoE NAT Router
Save on the Grandstream HT881 (GS-HT881) with Reef Telecom's industry-leading 10-year warranty and free shipping on orders over $300. This 8-port analog FXO gateway enables businesses to seamlessly integrate existing PSTN lines with any hosted or on-premise IP PBX network, converting SIP/RTP IP calls into conventional PSTN calls for a reliable, easy-to-deploy VoIP solution.
Key Specifications
- 8 RJ11 FXO ports and 1 RJ11 FXS port with 3 SIP profile support
- 2 GigE (10/100/1000 Mbps) Ethernet ports with PoE support
- High-performance built-in NAT router
- Lifeline support — FXS port hard-relays to FXO port during power outages for emergency PSTN calling
- T.38 Fax-over-IP for reliable fax transmission
- 3-way voice conferencing per port
- Failover SIP server — automatically switches to secondary server if primary loses connection
- AES encryption with per-unit security certificate
- Automated provisioning via TR-069, HTTP, HTTPS, TFTP, and SSH
- Replaces legacy Grandstream GXW4108
What's in the Box
- 1x Grandstream HT881 FXO Gateway
- 1x Ethernet Cable
- 1x Quick Installation Guide
- Note: Power supply not included — unit is PoE capable
The Grandstream HT881 is ideal for small to mid-size businesses, multi-location offices, and organizations looking to bridge traditional analog phone systems with modern VoIP infrastructure. Compatible with all major SIP-based IP PBX platforms. Backed by Reef Telecom's 10-year warranty for total peace of mind.
