The Grandstream HT841 features 4 independent FXO ports, allowing you to easily connect up to 4 analog PSTN lines to your IP phone system. It also includes 1 built-in FXS port for connecting an analog phone or fax machine. Supporting up to 3 SIP profiles, it offers complete flexibility for call routing and managing different telecommunications providers, fully meeting the needs of any modern business.

Equipped with 2 Gigabit Ethernet ports (10/100/1000 Mbps), the HT841 ensures ultra-fast data transfer without creating network congestion. Its built-in high-performance NAT router manages internet traffic with exceptional stability. This lets you connect the device directly to your modem/router while maintaining top connection speeds for all other devices on your office network.

Business continuity is ensured thanks to the device’s built-in PSTN Failover Lifeline feature. In the event of a power outage or loss of internet connectivity, the FXS analog port automatically connects directly to the primary PSTN line. This ensures your business always has an open communication channel for emergency calls, eliminating the risk of complete isolation.

Protecting your telecommunications data is a priority for Grandstream. The HT841 incorporates powerful TLS and SRTP encryption technologies to protect calls and SIP accounts from interception. It also supports automated, secure configuration via TR-069 and encrypted XML files, simplifying remote deployment and bulk management for IT departments or service providers.

Enjoy superior call quality thanks to support for wideband HD audio codecs, including the advanced Opus codec. The device delivers clear, natural-sounding audio even when network bandwidth is limited. It also offers full support for sending and receiving faxes using the T.38 Fax-over-IP protocol, ensuring reliable, error-free document transmission.