SKU: 28459000871

Grandstream SIP ATA 8 Port FXS Gateway | HT-818

Sale price$1237.03 Regular price$1374.48
Save 10%

Pay in installments of $343.62 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Grandstream SIP ATA 8 Port FXS Gateway | HT-818Bridge Your Analog Devices to a Powerful VoIP Network The Grandstream HT818 is a high performance 8 port VoIP gateway designed for users who need to integrate analog telephones, fax machines, and other legacy telephony equipment into a modern VoIP network. This powerful device features 8 FXS ports and an integrated Gigabit NAT router, making it an ideal solution for both residential and office environments. Built on Grandstream's market leading SIP

Bridge Your Analog Devices to a Powerful VoIP Network

The Grandstream HT818 is a high-performance 8-port VoIP gateway designed for users who need to integrate analog telephones, fax machines, and other legacy telephony equipment into a modern VoIP network. This powerful device features 8 FXS ports and an integrated Gigabit NAT router, making it an ideal solution for both residential and office environments. Built on Grandstream's market-leading SIP ATA/gateway technology, the HT818 delivers exceptional voice quality, robust security, and outstanding network performance.

Seamless Integration and Crystal-Clear Communication

Experience superior audio with the HT818's support for a wide range of voice codecs, including the wideband HD codec for crystal-clear conversations. It supports 3-way voice conferencing per port and advanced telephony features like caller ID, call waiting, and call forwarding. For businesses that still rely on faxing, the HT818 includes T.38 Fax-over-IP support for reliable and efficient fax transmission.

Robust Security and Simplified Management

Security is paramount in modern communication. The HT818 employs strong AES encryption with a unique security certificate per unit to protect your calls and accounts. Automated and secure provisioning options, including TR-069, simplify mass deployment and device management. The dual Gigabit network ports ensure a high-performance connection, and the integrated NAT router provides efficient routing capabilities.

Key Features at a Glance:

  • Supports 2 SIP profiles and 8 FXS ports.
  • Dual 10/100/1000Mbps Gigabit network ports.
  • Exceptional voice quality with a wideband HD codec.
  • 3-way voice conferencing per port.
  • Supports T.38 Fax for reliable Fax-over-IP.
  • Strong AES encryption for enhanced security.
  • Automated provisioning with TR-069.
  • High-performance NAT router.

Technical Specifications

Interfaces
Telephone Interfaces Eight (8) RJ11 FXS ports.
Network Interface Two (2) 10/100/1000Mbps RJ45 ports.
LED Indicators POWER, NET1, NET2, PHONE1, PHONE2, PHONE3, PHONE4, PHONE5, PHONE6, PHONE7, PHONE8.
Factory Reset Button Yes.
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.722, G.723.1, G.729A/B, G.726-32, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation.
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through.
Short/Long Haul Ring Load 2 REN, up to 1km on 24AWG line.
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID.
Disconnect Methods Busy Tone, Polarity Reversal/Wink, Loop Current.
Signaling
Network Protocols TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, SIP (RFC3261), STUN, SRTP, TR-069, TLS, L2TP, OpenVPN
QoS Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 (ToS, DiffServ, MPLS)
DTMF Method In-audio, RFC2833 and/or SIP INFO.
Provisioning and Control HTTP, HTTPS, SSH, TFTP, TR-069, secure and automated provisioning using AES encryption.
Security
Media SRTP/TLS/SIPS/HTTPS
Physical
Universal Power Supply Input: 100-240VAC, 50-60Hz; Output: 12V/1.5A.
Environmental Operational: 32º – 123ºF or 0º – 50ºC; Storage: 14º – 140ºF or -10º – 60ºC; Humidity: 10 – 90% Non-condensing.
Dimension and Weight (L)180mm x (W)120mm x (H)36mm, 356g.
Compliance
Compliance FCC/CE/RCM.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 28459000871

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.3 ★★★★★
Based on 26 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
G
Verified Purchase
G.C.B.
Waukegan, US
★★★★★ 4
A worthwhile addition to just butyl itself.
Model: 197mil 31 sqft Car Sound Deadening Mat
I used this as a topper to butyl sound deadening material on the floor and side panels and am very pleased. It was generally easy to use. It is very sticky and cannot be easily repositioned as the foam will separate from the sticky side if you try, but its not a big deal. I have yet to run the car but the panels are much quieter when tapped on vs just the butyl alone, and this stuff weighs almost nothing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026
B
Verified Purchase
Bret Jackson
Port Orchard, US
★★★★★ 5
Good deadening
Model: 197mil 31 sqft Car Sound Deadening Mat
This sound deadening works well and has good adhesion .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
M
Verified Purchase
Mags
Waukegan, US
★★★★★ 5
Easy to install and great value.
Model: 197mil 31 sqft Car Sound Deadening Mat
Very easy to cut and install with the rollers I bought separately. It adheres well even though I was installing it when the weather was closer to 40-50 degrees. Definitely helps to deaden the sound from the bare sheet metal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
C
Verified Purchase
Chuck P
Draper, US
★★★★★ 1
Garbage
Model: 197mil 31 sqft Car Sound Deadening Mat
Straight garbage, I tried to cut corners on cost of building an spl car and should have stuck with dynamat or something like that. This is NOT for sound deadening…… Garbage product!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
S
Verified Purchase
Shopper
Phoenix, US
★★★★★ 3
Not for me
Model: 197mil 31 sqft Car Sound Deadening Mat
Seemed “cheap” for my personal needs, so I returned it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026

recommand products