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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
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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
4.6 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 3
I’m a little disappointed.
Format: Kindle
I usually like Jillian West’s books but this one was missing a lot for me. The pregnancy didn’t come across as real. She’s on her feet for 12 hour days but is perfectly healthy at 8 months pregnant? Yet the week she moves in all of a sudden she’s not? She is planning on actually running during one of the plot buildups. But at 8 months pregnant that’s incredibly hard to do. The lack of breathing ability and lung space, the change in body center, mass, and gravity. All of it prohibits running, unless you’re an athlete this didn’t come off as at all realistic.
I didn’t feel any connection with the alphas. There wasn’t any emotional connection. It could be because of the tense it was written in. But I didn’t get any deep feelings out of this. It came across as checking off boxes. Even the spicy scenes weren’t really believable for me. I wanted to see them fall for her, and it just kind of all fizzled. Even Bishop.
One thing I did really like was the ending. I did not see it coming and I’m interested in reading book two because of it. But on the whole this book was mostly disappointing for me.
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Reviewed in the United States on March 16, 2024
★★★★★ 4
4.25 stars
Format: Kindle
Vale is an 8 month pregnant omega working as a waitress at a strip club and a cam girl. She starts to get very creepy vibes from a regular at the club, and her baby daddy ghosted her. She has had an online relationship with a man named Bishop through her cam girl status. One night, bishop was paying to watch her sleep and ansthe creepy regular Andrew break in and watch her sleep he tells vale to come to him at his business now. She flees and finds herself at a large security company with some.hot of alphas who are there to help her. This imegaverse is a little different than I have read, but I am thoroughly enjoying it. Vale is not a traditional omega she was raised by a single beta mom, and the alphas are not normal alphas they have never really loved pack life. But they are ruthless mercenaries. They need her, and she needs them. I love the aspect of the stalker and now the plot twists at the end, so so good. Sometimes, it seemed a little slow and stale mated, but since this a duet, I think It was just her starting to have Vale get to know her alpha suitors. Cliffhanger for sure with this one.
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Reviewed in the United States on September 9, 2024
★★★★★ 5
That ending 😫
Format: Kindle
I fell into a false sense of security and really thought this was gearing towards a happy ending. Then I realized there’s no work they don’t punish Andrew. I really liked Vale’s character. I don’t normally read books with pregnancy but going into this knowing she was pregnant made it more enjoyable for me.
I loved Bishops devotion to her and her happiness. I also loved that Holt and Mercy couldn’t fight their attraction to her. I love scent matches so very much. I’m so curious to see how this duet will end up. And I need to pay more attention and notice that a book I’m starting is a duet to begin with lol
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Reviewed in the United States on February 21, 2025
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
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Reviewed in the United States on December 27, 2025
★★★★★ 5
ABSOLUTELY A MUST for Omegaverse Girls!!!
I ABSOLUTELY LOVE Jillian West and her books!!! I’m so happy I already bought book two and now I have to buy the others for the Assurance Security series!!
Not gonna lie Val kind of annoyed me at the beginning but she grew on me!! Her men are chef’s kisses!!! Holt annoys me some but I can let it slide. I already bought part two so I’m going to be reading that in between work phone calls!!!! DON’T TELL MY BOSS 😂😂😂😂
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Reviewed in the United States on September 30, 2025