Grandstream HT881 Analog Gateway 8x FXO, 1x FXS, 2x RJ45 one with PoE-IN, 3 SIP profiles via FXS port

Designed to bridge conventional telephony and IP networks without hassle, the Grandstream HT881 is a high-performance VoIP gateway. This desktop unit comes with 1 FXS port alongside 8 FXO ports, and it offers Power over Ethernet (PoE) plus dual Gigabit Ethernet ports, providing solid and adaptable connectivity.

To protect your communications from unauthorised access, the HT881 incorporates advanced security algorithms such as AES encryption, TLS, HTTPS, and SSL/TLS protocols. Clear and dependable voice quality is delivered through support for a broad selection of voice codecs, including G.711, G.723.1, G.726, G.729, iLBC, and Opus.

Key IP telephony functions are included, such as call waiting, caller ID, call transfer, 3-way conferencing, call forwarding, call hold, Do-not-disturb (DND), dynamic jitter buffer, echo cancellation, and T.38 fax support for fax over IP. Compliance with IEEE standards — 802.3af for PoE, 802.1Q for VLAN tagging, and 802.1p for QoS — guarantees compatibility and performance across varied network environments.

Web-based interfaces and support for remote protocols including HTTP, HTTPS, TFTP, Telnet, TR-069, and SSH make management straightforward. For businesses looking for a dependable, secure, and feature-rich VoIP gateway to strengthen their communication infrastructure, the HT881 is a fitting choice.