Description
Grandstream HT881 Dubai 8-Port FXO VoIP Gateway UAE
You’ve got eight analogue lines still live in the building. Reception uses two. Fax still matters for one department. One line goes to an older lift or emergency point. The new IP PABX is ready, but the site can’t just drop every PSTN circuit in a day. That’s where the Grandstream HT881 fits. It brings 8 FXO ports into a SIP environment without forcing a messy one-box-per-line workaround.
For UAE telecom contractors, that’s a common job. Older offices in Deira, Bur Dubai, Al Quoz, and even newer fit-outs in Business Bay still carry a mix of analogue trunks and SIP services. The HT881 lets those analogue lines feed into your IP telephony design while keeping one FXS port available for lifeline use. It’s a cleaner option for branch migrations, hotel back offices, school admin blocks, clinic reception desks, and warehouse offices where Etisalat or du line changes happen in stages.
8
FXO Ports
1
FXS Lifeline Port
2
Gigabit RJ45 Ports
PoE
802.3af PD on One Port
Key point: The HT881 is the 8 FXO model in this Grandstream gateway family. If the site only needs 4 analogue trunks, the HT841 is the smaller option. For reception lines, branch failover lines, fax carryover, and phased PSTN-to-SIP migration, the HT881 is usually the better fit.
Why Resellers Keep Using the HT881 for Migration Jobs
Some projects don’t need a huge chassis gateway. They need eight analogue trunks terminated properly, SIP registration to the client’s platform, and stable behavior when the site still depends on legacy line conditions. That’s the space this model covers well. It gives PABX integrators a practical bridge between analogue PSTN services and modern SIP systems running on-site or in the cloud.
It also helps that the networking side is straightforward. You get dual 10/100/1000Mbps ports, and one supports 802.3af PoE-PD. In compact racks and branch cabinets, especially in older buildings where power outlets are already overloaded with routers, patch panels, and access switches, that saves time. For buyers already standardising on Grandstream voice platforms, it works naturally with our Grandstream PABX range. If the client is keeping analogue lines during a staged UC rollout, it also sits well beside broader PABX systems in Dubai for mixed deployments.
Technical note: Grandstream rates the HT881 at up to 1000Mbps throughput in bridge mode and up to 100Mbps in NAT mode. For office voice projects, that matters when the gateway is placed inline rather than just sitting on a voice VLAN.
Product Overview
The Grandstream HT881 is an analogue FXO VoIP gateway built for businesses and telecom installers that need to connect traditional PSTN lines into an IP network. It provides 8 FXO ports for trunk integration, 1 FXS port for analogue phone or emergency fallback connection, 2 Gigabit Ethernet ports, and support for secure SIP communications using TLS and SRTP. It also supports T.38 fax relay, automated provisioning, VLAN tagging, QoS handling, and SIP failover to a secondary server.
In Dubai and Abu Dhabi, that makes it useful for offices moving away from old key systems, hotel properties retaining a few analogue service lines, warehouses with guard cabins or intercom tie-ins, and schools where admin blocks still use fax or legacy operator routing. Instead of replacing everything at once, the gateway lets integrators preserve working line infrastructure and bring it into a SIP call flow that’s easier to manage.
It’s also a sensible export product. Buyers in Nigeria, Uganda, Ghana, and Angola often want medium-density FXO conversion without stepping into large carrier hardware. The HT881 covers that gap well. Eight trunk ports. One chassis. Standard SIP interop. Straightforward provisioning.
Features That Matter on Real Sites
Lifeline fallback on the FXS port: One detail most sellers skip. The FXS port can hard-relay to an FXO port during a power outage, which is useful where an analogue endpoint still needs a basic emergency path.
That’s relevant in older UAE buildings where one analogue handset is still kept for facilities or emergency use. It won’t replace a full resilience design, but it does give the installer a cleaner fallback option than leaving loose standalone ATAs around the site.
T.38 and G.711 fax handling: The HT881 supports T.38 Group 3 fax relay up to 14.4kbps and can switch to G.711 pass-through when required. That still matters for hospitals, trading firms, legal offices, and some government workflows.
In DIFC and DMCC offices, teams talk about going paperless. Then one department still needs fax confirmation from a bank, insurer, or overseas counterparty. This gateway gives resellers a way to keep that service active while the rest of the system moves to SIP.
Secure SIP and provisioning stack: TLS, SRTP, HTTPS, TR-069, syslog, SSH, and SNMP support make the HT881 easier to deploy in managed voice environments where IT teams want visibility and repeatable provisioning.
That matters for resellers handling multiple branches. Instead of treating each site as a one-off job, you can standardise configuration and monitor devices more cleanly. For companies that already bundle voice with support, it also fits well with ongoing PABX support in Dubai and remote fault handling.
Line-side compatibility detail: Grandstream lists multiple caller ID standards, DTMF and pulse dialing support, several disconnect methods, and broad regional line-handling behavior. That helps on mixed analogue circuits where signalling isn’t always clean.
That kind of detail matters more in retrofit jobs than in lab tests. One site has older operator lines. Another has building-side analogue equipment added years later. Another has an external service provider with slightly odd disconnect timing. The HT881 gives installers more room to make those jobs behave properly.
Specifications
| Specification | Detail |
|---|---|
| Model | Grandstream HT881 |
| Port Type | Analog FXO VoIP Gateway |
| FXO Ports | 8 RJ11 FXO ports |
| FXS Ports | 1 RJ11 FXS port |
| Network Ports | 2 x 10/100/1000Mbps RJ45 ports |
| PoE | One RJ45 port supports 802.3af PoE-PD |
| Voice Codecs | G.711 A-law/U-law, G.729A/B, G.723.1, G.726, iLBC, OPUS |
| Fax Support | T.38 Group 3 relay up to 14.4kbps, auto switch to G.711 pass-through |
| SIP Accounts | Up to 3 SIP server profiles with failover support |
| Security | TLS, SRTP, HTTPS, secure boot support listed by Grandstream |
| Provisioning | TR-069, HTTP, HTTPS, TFTP, AES configuration file encryption |
| QoS and Network | 802.1p, VLAN, Layer 3 QoS, DiffServ, MPLS, traffic shaping |
| Management | Web UI, syslog, Telnet, SSH, SNMP |
| Bridge Mode Throughput | Up to 1000Mbps |
| NAT Mode Throughput | Up to 100Mbps |
| Compliance | FCC, CE, RCM, IC, UKCA |
Platform Compatibility
The HT881 is built around standard SIP interoperability, which is why it fits well in mixed voice estates. It can register to Grandstream platforms and third-party SIP systems where the project calls for analogue trunk conversion rather than pure IP handsets. For UAE buyers still juggling Etisalat and du requirements across branches, that flexibility matters. One office may be fully SIP. Another still has active analogue trunks. This gateway helps both live in the same design.
It’s also a practical companion product when the client is upgrading endpoints in phases. A company may roll out IP phones first, keep existing PSTN lines during the transition, then reduce analogue dependency later. That staged path is common in Sharjah trading offices, Abu Dhabi admin sites, and JAFZA warehouses where nobody wants telephony downtime during working hours.
Compatibility note: This is an FXO gateway for analogue line integration into SIP environments. It is not a standalone PABX. If the project also needs call control, extensions, IVR, or recording, pair it with an IP PABX platform.
Where This Sells — Uganda / Hospitality
Hotel back-office line migration and multi-property voice upgrades
Telecom resellers in Uganda supply the Grandstream HT881 to hotel groups that still keep analogue outside lines for reception, reservations, and emergency fallback while moving extensions to SIP. Typical project size is 2 to 6 units per property, often bundled with an IP PABX and IP phones, shipped FOB Dubai for installer margin. It also fits serviced apartments and business hotels where the front desk wants legacy trunk continuity without keeping an old key system alive.
HT881 vs HT841 — Which One Fits the Job?
The buying decision is usually simple. Count the live analogue trunks properly. Then leave room for the next line request that always shows up after handover. If the client has more than four PSTN lines in service today, the HT881 is the safer pick.
| Feature | Grandstream HT841 | Grandstream HT881 |
|---|---|---|
| FXO ports | 4 | 8 |
| FXS lifeline port | 1 | 1 |
| Gigabit network ports | 2 | 2 |
| PoE-PD | Yes | Yes |
| Best fit | Smaller branches, villas, reception migration | Hotels, schools, clinics, multi-line offices |
Not the right fit?
If the site only has 2 to 4 analogue trunks, the HT841 is usually the cleaner buy. If the client also needs extensions, IVR, ring groups, call recording, or branch call control, pair this gateway with a Grandstream PABX rather than treating the gateway as a phone system by itself.
What’s in the Box
Grandstream HT881 main unit, power supply, network documentation, and standard included accessories from the manufacturer. Exact carton contents can vary slightly by region batch, but the gateway itself and PSU are the essentials buyers expect for deployment.
Not included — order separately if needed
RJ11 line cables, rack shelf or rack tray, UPS backup, surge protection, patch leads, IP PABX, SIP licences, and installation materials. For hotel, clinic, or branch rollout jobs, ask for a combined quote with gateway, PABX, phones, and support.
Stock & availability: Grandstream HT881 in stock in our Dubai warehouse. FOB Dubai pricing available for resellers and project quantities. Ships to Africa, GCC, and South Asia. Bulk orders and distributor pricing for registered IT companies available on WhatsApp.
Often Bundled With This Product
Reseller bundle logic
Resellers supplying the Grandstream HT881 typically bundle it with a Grandstream PABX for call control, Yealink IP phones or other SIP handsets for user extensions, PABX support for migration and live-site assistance, telephone system repair services where legacy trunks are unstable, IT AMC support for branch maintenance, and office phone mobile app solutions when the client also wants remote answering. Combined project pricing available for UAE and export orders.
Where the HT881 Works Well
This gateway sells best where analogue lines haven’t disappeared yet. Hotels still keep dedicated reception or service lines. Clinics still hold on to fax and backup voice paths. Schools often retain older admin lines while moving classrooms and staff extensions to IP. Warehouses in Al Quoz and JAFZA sometimes have a mix of guard room lines, gate phones, and office SIP users on the same site.
It also suits legal firms and trading companies in DIFC, DMCC, JLT, and Business Bay that want the main phone system modernised without touching every legacy service in the first phase. That’s where a clean FXO gateway helps. Less disruption. Faster cutover. Fewer surprises on go-live day.
Grandstream HT881 Abu Dhabi and UAE Supply
Vector Dubai supplies the Grandstream HT881 in Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Fujairah, and Umm Al Quwain. We also support projects in free zones including DMCC, DIFC, JLT, Business Bay, DAFZA, and JAFZA where mixed analogue and SIP telephony is still common.
For HT881 UAE enquiries, buyers usually ask two things first: whether it will register cleanly to the planned SIP platform, and whether the analogue line behavior is stable enough for local carrier conditions. That’s the right question. On older UAE sites, analogue quality varies by building, cabling age, and trunk handoff, so choosing a gateway with broader caller ID, disconnect, and signalling options saves time later.
For Abu Dhabi projects, the HT881 is often chosen for admin blocks, hospitality back offices, branch offices, and phased PABX replacements where Etisalat and du services need to stay live during migration. Installation is straightforward when the SIP design and dial plan are already defined.
Export from Dubai to Africa, GCC, and South Asia
The Grandstream HT881 is a practical export item for telecom resellers and PABX installers in Nigeria, Kenya, Uganda, Ghana, Angola, Saudi Arabia, Oman, Qatar, Pakistan, and Bangladesh. Buyers usually want 8 FXO density without moving to oversized carrier hardware, especially for hotel groups, branch networks, and mixed analogue-to-SIP projects. FOB Dubai pricing is available for project quantities, and we can quote single-site orders as well as multi-site rollouts. For export buyers, Dubai stock helps shorten procurement cycles compared with waiting on factory backorders. WhatsApp us with target country, quantity, and required PABX platform for a faster quote.
About Vector Dubai — Authorised Grandstream Distributor
Vector Dubai is an authorised Grandstream distributor in Dubai, UAE, supplying the Grandstream HT881 across all 7 UAE emirates and for export to Africa, GCC, and international markets. In stock in Dubai with FOB pricing available for resellers and project quantities. Operating since 2010. Contact: +971 4 450 4145 · sales@vdsae.com · Monday–Saturday 8AM–6PM.
FAQ
Can the Grandstream HT881 connect Etisalat or du analogue lines to my IP PABX?
Yes. The HT881 is designed to bring analogue PSTN trunks into a SIP environment through its 8 FXO ports. It suits phased migrations where Etisalat or du analogue services still need to stay live while the main phone system moves to IP.
How many analogue lines can I connect on one unit?
One HT881 supports 8 analogue FXO lines and also includes 1 FXS port for an analogue handset or lifeline use. That makes it a common fit for hotel reception, school admin, clinic, and branch office jobs.
Does it support fax over SIP?
Yes. Grandstream lists T.38 Group 3 fax relay up to 14.4kbps, with automatic switch to G.711 pass-through when needed. That helps on sites where one department still depends on fax during a wider SIP migration.
Is reseller pricing available for 5 or 10 units?
Yes. Reseller and project pricing is available for bulk quantities from our Dubai stock, including FOB Dubai quotes for export buyers. Share the quantity, destination country, and related PABX requirement on WhatsApp for a faster commercial response.
What’s the difference between HT841 and HT881?
The HT841 has 4 FXO ports, while the HT881 has 8 FXO ports. Both include 1 FXS port and similar network design, so the main decision is trunk count and room for future expansion.
Can I order the HT881 for a project in Nigeria or Oman?
Yes. We supply the HT881 from Dubai for UAE projects and export orders across Africa, GCC, and South Asia. FOB Dubai pricing is available for telecom resellers, PABX contractors, and project importers.
Grandstream HT881 in stock in Dubai. Supply across all 7 UAE emirates and export pricing available for Africa, GCC, and South Asia. AED quotes on WhatsApp. Monday to Saturday, 8AM to 6PM.
+971 4 450 4145 · sales@vdsae.com · Mon–Sat 8AM–6PM







































































































