Grandstream HT841 4-Port FXO Analog Gateway

Grandstream HT841 – Connect 4 PSTN Landlines to Your IP PBX

The Grandstream HT841 is an analog FXO gateway that integrates 4 PSTN landlines with an IP PBX or VoIP system, with an extra FXS port for an analog phone and Lifeline support during power outages.

Key Features

• 4 FXO ports for four PSTN lines.
• 1 FXS port for an analog phone or fax.
• Lifeline during power failure.
• Dual Ethernet ports with PoE-PD on the dedicated network port.
• Built-in NAT router.
• 3-way voice conferencing per port.
• Fax over IP with T.38.
• Failover SIP server.
• AES, SRTP and TLS security.
• Secure provisioning via TR-069 and central management with GDMS.

Technical Specifications

• Model: HT841
• Type: Analog FXO gateway
• FXO ports: 4
• FXS ports: 1
• Lifeline: supported
• PoE-PD: supported
• Fax: T.38
• Operating temperature: 0–40°C

Ideal For

Small and medium businesses and branches with up to 4 landlines that want to integrate them with an IP PBX such as Grandstream UCM.

Frequently Asked Questions

What is the difference between the HT841 and HT881?
The HT841 supports 4 landlines; the HT881 supports 8.

What does Lifeline do?
During a power outage the FXS port is connected directly to a PSTN line, so the analog phone can still make calls.

Does it work with any IP PBX?
Yes – Grandstream UCM and any SIP-based PBX.

Order the Grandstream HT841 from Modn Plus with warranty and local support in Saudi Arabia.