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Description
Grandstream HT841 4-Port FXO Gateway with Gigabit NAT RouterBridge Your Analog Phone Lines to a Modern VoIP Network The Grandstream HT841 is a high performance 4 port FXO gateway designed for businesses of all sizes looking to integrate their traditional analog telephone lines with an IP based VoIP system. This powerful device allows you to seamlessly connect multiple office locations to any hosted or on premise IP PBX network, simplifying your transition to VoIP. With the HT841, you can leverage the cost
Bridge Your Analog Phone Lines to a Modern VoIP Network
The Grandstream HT841 is a high-performance 4-port FXO gateway designed for businesses of all sizes looking to integrate their traditional analog telephone lines with an IP-based VoIP system. This powerful device allows you to seamlessly connect multiple office locations to any hosted or on-premise IP PBX network, simplifying your transition to VoIP. With the HT841, you can leverage the cost savings and advanced features of VoIP telephony while preserving your investment in existing analog infrastructure.
Key Features & Benefits
- Seamless Connectivity: Features 4 RJ11 FXO ports to connect your PSTN lines and 1 RJ11 FXS port for an analog telephone or fax machine.
- High-Performance Networking: Equipped with two Gigabit (10/100/1000Mbps) RJ45 ports and a built-in high-performance NAT router for efficient traffic handling.
- Power Outage Protection: Lifeline support ensures that in the event of a power failure, the FXS port is hard-relayed to an FXO port, maintaining basic call functionality.
- Advanced Telephony Features: Supports 3 SIP profiles and a wide range of calling features, including Caller ID, call waiting, call transfer, 3-way conferencing per port, and do not disturb.
- Superior Voice Quality: Delivers crystal-clear conversations with support for numerous voice codecs like G.711, G.729, and Opus, plus advanced line echo cancellation and a dynamic jitter buffer.
- Reliable Fax over IP: T.38 Fax relay support ensures dependable transmission of faxes over your IP network.
- Robust Security: Protect your calls and accounts with strong AES encryption, TLS, and SRTP security protocols.
- Simplified Management: Features automated and secure provisioning options using TR-069, making deployment and ongoing management effortless.
- Failover Support: A failover SIP server automatically switches to a secondary server if the primary one loses connection, ensuring service continuity.
Technical Specifications
| Interfaces | |
| Telephony Interface | 4 x RJ11 FXO ports, 1 x RJ11 FXS port (with lifeline support) |
| Network Interface | 2 x 10/100/1000Mbps RJ45 ports (one with 802.3af PoE-PD support) |
| LED Indicators | Power, NET1, NET2, FXS, FXO |
| Voice, Fax, Modem | |
| Telephony Features | Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference |
| Voice Codecs | G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729, G.726, iLBC, OPUS |
| Fax over IP | T.38 compliant Group 3 Fax Relay up to 14.4kbps and auto-switch to G.711 for Fax Pass-through |
| Caller ID | Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID |
| Signaling & Control | |
| Network Protocols | TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069 |
| QoS | Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS) |
| Provisioning | HTTP, HTTPS, TFTP, SSH, TR-069, secure and automated provisioning using AES encryption |
| Security | SRTP, TLS/SIPS/HTTPS, AES encryption |
| Physical | |
| Power | DC Input: 12V/1A; PoE Input: 802.3af (48V/0.5A) (Power Supply Not Included) |
| Dimensions | 7.48 x 3.94 x 1.1 in (190 x 100 x 28 mm) |
| Weight | 1.01 lbs (0.458 kg) |
| Environmental | Operating Temperature: 32ºF to 104ºF (0ºC to 40ºC); Humidity: 10% to 90% Non-condensing |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Comfortable and Classic Dress Shoes That Look Great All Day
Size: 12, Color: Cognac
These dress shoes have been a great addition to my wardrobe. Right out of the box, they felt comfortable thanks to the cushioned foam insole. I can wear them for long days at work or events without my feet feeling sore, which is something I really appreciate.
The faux leather upper looks polished and well-made. The cap-toe design and subtle contrast stitching give the shoes a classic, professional appearance that pairs perfectly with dress pants or a suit. They have a clean, timeless style that never feels outdated.
The fit is true to size, and the lace-up closure provides a secure and adjustable fit. I also like the stability of the stacked heel and the non-slip sole, which gives me confidence when walking on different surfaces.
Overall, these shoes deliver both comfort and style. They look sharp, feel supportive, and hold up well with regular use. I am very happy with this purchase and would definitely recommend them to anyone looking for reliable, classic dress shoes.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Appearance
Size: 8, Color: Tan
Looks better in person
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Reviewed in the United States on May 31, 2026
★★★★★ 5
very good
Size: 7.5, Color: Cognac
veryyyy gooood
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Reviewed in the United States on January 29, 2026
★★★★★ 5
Nice shoes
Size: 9, Color: Cognac
My Husband loves it 😍
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Reviewed in the United States on January 11, 2026
★★★★★ 4
I just need the size 12
Size: 12, Color: Tan
Gm.i made a mistake the first time when I order the size 13. I return it because it was to big .so I reorder a size 12 now am looking at my order they still sending me the same size 13 i will have to return it again because it is to big sorry I dont know what going
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Reviewed in the United States on May 8, 2026