Grandstream HT802 v2 in Dubai, UAE
A two-port SIP analog telephone adapter for bringing existing analog phones or compatible fax devices into a managed IP telephony environment.
The HT802 v2 is most relevant to offices, branch sites, service providers, reception areas and migration projects that need two independent FXS connections without replacing every analog endpoint. FourTeck can help buyers confirm SIP platform compatibility, analog device requirements, network readiness, fax needs, provisioning method and quantity before quotation.
2 SIP Profiles
T.38 Fax Support
A practical bridge between analog endpoints and SIP telephony
The HT802 v2 is designed for a simple but important job: let two conventional analog telephone devices operate as extensions or endpoints on a Voice over IP network. Instead of replacing a familiar analog handset, door phone, fax device or other compatible analog endpoint purely because the business has moved to SIP, the adapter provides two Foreign Exchange Station (FXS) interfaces and registers those ports through SIP profiles. That makes it useful during phased migrations, small office installations, hosted voice rollouts and branch deployments where retaining selected analog equipment is operationally sensible.
Grandstream positions the model for residential and office IP telephony, but the business value is broader than its compact size suggests. Each of the two RJ11 FXS ports can connect an analog telephone device while the single 10/100Mbps Ethernet port connects the adapter to the LAN. Two SIP profiles provide a clean way to associate the ports with a SIP service or IP PBX environment. This is particularly useful for businesses that have modernized the core voice platform but still depend on an analog reception phone, a legacy handset in a workshop, a fax process, an analog paging interface, or another supported device at the edge.
The v2 generation also matters for buyers comparing it with the earlier HT802. Grandstream documents a newer Cortex-A35 1.3GHz processor platform for the HT801/HT802 v2 family, more memory and flash than the first generation, a redesigned web interface, unique random default passwords per unit and support for Forward Error Correction and redundancy encoding. Those changes do not transform the device into a router or multi-port enterprise gateway; they improve the platform around the same core two-port ATA use case. Buyers should still choose the model by required FXS count, network architecture and provisioning needs rather than assuming a newer version removes the need for proper design.
For UAE organizations, the most important purchasing question is usually not whether an ATA can register to SIP in principle. It is whether the exact analog devices, PBX or hosted voice service, codecs, VLAN policy, network address settings, fax expectations and support model are suitable together. FourTeck can help review those details before a quote is prepared, reducing the risk of ordering the correct model name but an unsuitable deployment design.
Why a two-port ATA can simplify a voice migration
The main benefit is controlled transition: businesses can adopt SIP communication while continuing to use selected analog endpoints where replacement is unnecessary or inconvenient.
Keep useful analog devices during a SIP transition
A complete rip-and-replace can be unnecessary when only a small number of analog endpoints remain. Two FXS ports allow a business to connect two analog devices to an IP voice environment and phase the migration around operational priorities. That can be useful when a reception handset, service phone or fax workflow still performs its job reliably, while the PBX platform and trunking have already moved to SIP.
Protect signaling and media
TLS can protect SIP signaling while SRTP can protect voice media when the surrounding platform is configured to use them. The adapter also supports secure provisioning mechanisms. Security still depends on end-to-end configuration, strong credentials, network controls and a compatible service, but the hardware provides the protocols needed for a more disciplined VoIP deployment.
Reduce repetitive setup work
Automated provisioning using TR-069, XML configuration files, HTTP, HTTPS, TFTP and other supported methods can make the device easier to deploy consistently. In compatible Grandstream UCM environments, Zero Configuration can further streamline provisioning. This matters more as device count grows, because consistent settings are easier to maintain than one-off manual configuration.
Support modern and established codecs
Grandstream lists G.711, G.722, G.723.1, G.729A/B, G.726-32, iLBC and Opus among the supported voice codecs, along with a dynamic jitter buffer and line echo cancellation. In practice, call quality depends on the codec selected, available bandwidth, latency, packet loss and the capabilities of the peer system.
Plan for SIP service interruption more intelligently
The adapter can be configured with a failover SIP server so it can switch to a secondary server when the primary server becomes unavailable. This feature can contribute to a more resilient voice design, but it should be treated as one layer within the wider continuity plan. Internet access, switching, power protection, PBX redundancy and provider architecture can still affect whether calls remain available during an incident.
Retain supported fax workflows
T.38 Group 3 fax relay is supported up to 14.4kbps, with automatic switching to G.711 fax pass-through when appropriate. Fax over IP is sensitive to network and service configuration, so buyers should confirm compatibility with the SIP provider, PBX, remote fax endpoint and expected document volume before assuming any ATA will reproduce a traditional PSTN fax experience exactly.
Compact hardware, broad telephony support
The adapter concentrates the functions most small two-line analog migration projects need: dual FXS connectivity, SIP registration, Ethernet access, call features, fax support, encryption options and automated provisioning. Its dimensions are approximately 100 × 100 × 29.5mm, with Grandstream listing 114g weight without packaging. That makes it easy to place near an existing network point or small communications area, provided ventilation, cabling and power are handled correctly.
For phone behavior, the device supports common functions such as caller ID display or blocking, call waiting, blind or attended transfer, forward, hold, do not disturb and 3-way conferencing. Caller ID formats include Bellcore Type 1 and 2, ETSI, BT, NTT and DTMF-based caller ID. These features help the ATA fit different telephony environments, although final behavior depends on what the PBX or service provider supports and how each FXS port is configured.
Grandstream HT802 v2 specifications
These specifications are based on Grandstream product information and datasheet material. Firmware capabilities and behavior can evolve, so confirm the required deployment functions against the current firmware and service platform before purchase.
| Specification | Details |
|---|---|
| Brand / Model | Grandstream HT802 v2 |
| Product type | Two-port analog telephone adapter (ATA) |
| Telephone interfaces | 2 × RJ11 FXS ports |
| SIP profiles | 2 |
| Network interface | 1 × 10/100Mbps auto-sensing Ethernet RJ45 |
| Voice codecs | G.711, G.722, G.723.1, G.729A/B, G.726-32, iLBC, Opus; dynamic jitter buffer and advanced line echo cancellation |
| Fax over IP | T.38 Group 3 fax relay up to 14.4kbps; automatic G.711 fax pass-through support |
| Telephony features | Caller ID display/block, call waiting, flash, blind or attended transfer, call forward, hold, do not disturb, 3-way conference |
| Caller ID formats | Bellcore Type 1 & 2, ETSI, BT, NTT, DTMF-based CID |
| QoS | Layer 2 802.1Q VLAN and SIP/RTP 802.1p; Layer 3 ToS, DiffServ and MPLS |
| Provisioning | HTTP, HTTPS, SSH, TFTP, TR-069, XML configuration, AES-secured automated provisioning, syslog |
| Security | SRTP media; TLS/SIPS/HTTPS control; secure management options |
| Power | Input 100-240VAC, 50-60Hz; output 5.0VDC/1.0A |
| Operating environment | 0°C to 40°C operating; 10% to 90% non-condensing humidity |
| Dimensions / weight | 100 × 100 × 29.5mm; 114g without packaging |
| FXS ring load | 2 REN; up to 1km on 24 AWG |
| Firmware / lifecycle | Current firmware and lifecycle guidance should be confirmed for the deployment date |
| Availability / warranty | Contact FourTeck for current supplier availability and warranty guidance for the offered unit |
Choosing from a specification table alone can still lead to the wrong purchase. The two FXS ports answer only the first capacity question. Buyers should also confirm whether each analog device requires voice only or fax behavior, whether the SIP platform supports the selected codecs and security methods, whether VLAN tagging is used on the voice network, and whether the adapter is being placed behind a router or firewall that handles SIP predictably. For longer analog cable runs, ring load and cabling quality matter. For fax, provider and PBX compatibility matter as much as the ATA. If the requirement includes more than two analog devices, built-in routing, Gigabit interfaces or a larger branch gateway role, another model in the HT v2 family may be a better fit.
Confirm the environment before you order
The correct ATA is selected by endpoint count, SIP design and operational need. A short pre-purchase review helps prevent registration problems, unreliable fax behavior, incorrect port planning and support gaps after installation.
What are you connecting?
List the exact analog endpoints for Port 1 and Port 2. A normal telephone, fax machine, modem-like device, door interface or paging connection can have different electrical and protocol expectations. Confirm that the intended endpoint type is appropriate for an FXS ATA before purchase.
Which SIP platform will register it?
Identify the IP PBX, hosted SIP service or carrier platform, along with authentication method and required signaling transport. Grandstream UCM systems can use Zero Configuration with supported Grandstream endpoints, but third-party platforms normally require their own registration and provisioning workflow.
How will the network handle voice?
Check IP addressing, DHCP or static configuration, voice VLAN requirements, firewall rules, SIP ALG behavior, DNS, NTP and internet stability. The device supports voice traffic controls such as VLAN and QoS markings, but those features must align with the switch, router and PBX configuration.
Is fax a requirement?
If a fax machine will be connected, confirm T.38 support across the entire path, not only on the ATA. The SIP trunk, PBX, remote service and network conditions affect success. For critical fax workflows, test with the actual provider and destination patterns before a large rollout.
Will two ports still be enough later?
Two FXS ports are ideal when the requirement is genuinely small. If more analog devices are expected, compare larger HT models before standardizing. Buying multiple two-port units can be valid for distributed locations, while a higher-port gateway may be cleaner in a central communications room.
Who will provision and maintain it?
Decide whether the unit will be manually configured, centrally provisioned or managed through a service provider workflow. Include firmware policy, credential handling, backup configuration and remote access rules so support remains predictable after the initial installation.
For a useful quote: send FourTeck the required quantity, the two analog device types, current PBX or hosted SIP service, delivery location, target date, fax requirement if any, and whether configuration or installation support is required.
Where the HT802 v2 fits best
The device is strongest when the requirement is clearly defined: two analog endpoints need SIP connectivity at one location, with manageable provisioning and modern security options.
Phased migration from analog telephony to VoIP
A business may have moved its PBX, trunks and desk phones to IP while still retaining a small number of analog devices. The HT802 v2 can connect two of those endpoints without forcing immediate replacement. This is particularly useful when the analog equipment is still practical, staff are familiar with it, or a specific workflow has not yet been redesigned. The buyer should map each analog port to the intended SIP identity and test call handling before the wider cutover.
Small office or branch voice edge
A compact branch may need only one or two analog extensions while the main telephony service is hosted or centralized. The ATA can sit at the branch network edge and register those ports to the SIP platform. The WAN connection, router behavior, firewall configuration and power protection should still be planned so the voice service remains stable.
Reception, security or service-area analog phones
Some locations use a basic analog handset because durability and simplicity matter more than a display or application features. In that case, the ATA can provide SIP connectivity behind the scenes while the user keeps a familiar phone. Confirm ringing requirements, dial plan behavior, caller ID and transfer functions with the chosen handset and PBX.
Fax retention during communications modernization
Organizations that still exchange documents by fax may use one FXS port for a compatible fax machine while another port serves a voice device. T.38 support is useful, but the service path should be tested carefully. Fax over IP can be less forgiving of packet loss, jitter and provider differences than normal voice traffic.
Managed service provider deployments
Service providers or multi-site IT teams can use automated provisioning and remote management features to standardize configuration. The v2 platform is particularly relevant where consistent passwords, firmware policy and repeatable provisioning matter across many locations. The project should define ownership of credentials, firmware versions and configuration templates from the beginning.
Grandstream HT802 v2 Dual FXS Connectivity
Two FXS ports are the defining capacity feature. FXS means the ATA behaves as the station-side interface that provides analog service to a telephone device. In practical buyer terms, Port 1 and Port 2 can each be assigned for an analog phone or another compatible endpoint, then registered to the SIP environment through the device configuration. This makes the model more efficient than a single-port adapter when two analog devices are located together.
The key planning point is location. If two analog devices are in the same communications area, one two-port ATA can be tidy and easy to manage. If they are separated across a building, two smaller adapters placed near each endpoint might reduce analog cable runs. The official datasheet lists a 2 REN ring load and support for up to 1km on 24 AWG, but real installations should still consider cable condition, patching, interference and device requirements.
Grandstream HT802 v2 Secure Provisioning and Management
An ATA often sits unattended after installation, so management and credential handling are as important as call features. The v2 platform introduces unique random default passwords per unit, avoiding the older pattern of identical default credentials across devices. Grandstream also supports secure and automated provisioning approaches using HTTPS, TR-069, XML configuration and AES encryption, together with SSH and syslog for administration and monitoring workflows.
For business buyers, this creates an opportunity to treat the ATA as a managed endpoint rather than a forgotten converter. A deployment standard can define firmware versions, administrator access, password policy, configuration templates, time settings, logging and remote support methods. In a larger rollout, that discipline helps technicians reproduce settings across sites and troubleshoot consistently. It also reduces the chance that an emergency replacement unit is configured differently from the production standard.
Grandstream HT802 v2 Voice Quality, Fax and Resilience
The adapter supports both traditional narrowband and modern wideband codec options, including G.722 and Opus, alongside G.711, G.723.1, G.729A/B, G.726-32 and iLBC. The presence of a codec does not guarantee that it will be used; the PBX, carrier or remote endpoint must also support and negotiate it. Network performance matters as well. Jitter, packet loss and latency can reduce voice quality even when the endpoint supports good codecs.
Grandstream documents Forward Error Correction and redundancy encoding improvements in the v2 generation to improve behavior under packet loss. It also includes a failover SIP server function that can shift registration or calling toward a secondary server when the primary server is unavailable. These capabilities are valuable, but they should support a wider continuity design rather than replace it.
Check codec policy, latency, packet loss, VLAN design and SIP provider interoperability.
Check end-to-end T.38 support and test real destinations before scaling the deployment.
Define secondary SIP server behavior, power backup, WAN resilience and support escalation.
What Buyers Should Check Before Purchase
The biggest risk is assuming that “two analog ports” is the only requirement. A successful deployment depends on matching the analog endpoints, SIP platform, network policy, fax expectations, cabling, provisioning method and support responsibilities before the hardware arrives.
Configuration Fit
Confirm that two FXS ports are enough, decide which analog device will use each port, and identify whether both ports need separate SIP identities. If the site will soon require four, eight or more analog extensions, compare higher-capacity ATA or gateway models before standardizing.
Compatibility Check
Check the PBX or hosted SIP platform, authentication method, supported codecs, signaling security, VLAN policy and firewall configuration. For fax, verify T.38 or pass-through behavior with the actual service. For longer analog runs, check cabling and ring-load suitability.
Availability and Warranty
Supplier availability, delivery timing and warranty coverage can vary by source, quantity and order date. Ask what is included with the quoted unit, confirm power-adapter suitability for the deployment, and request warranty guidance before approving a project order.
Quote Preparation
Provide quantity, PBX or SIP provider, analog device types, fax requirement, delivery location, target date and whether configuration support is needed. For multi-site projects, also share the number of locations and whether a centralized provisioning method is preferred.
Buyers comparing the HT802 v2 with nearby models should focus on architecture rather than model numbers. The HT801 v2 is intended for a single FXS endpoint. The HT802 v2 provides two FXS ports with a single Fast Ethernet interface. The HT812 v2 also provides two FXS ports but belongs to a different design with dual network ports and routing capability. Higher models such as the HT814 v2 and HT818 v2 increase analog port density. This means a buyer who needs exactly two analog extensions and no built-in routing requirement can stay focused on the HT802 v2, while more complex branch designs may justify moving up the family.
Procurement support for Dubai and UAE projects
FourTeck supports inquiries for this ATA across Dubai and the wider UAE with help for model selection, compatibility review, quotation, delivery coordination and warranty guidance. Availability may vary based on supplier status, order quantity and timing, so the practical route is to share the project requirement before relying on an assumed stock position. For a one-unit replacement, the key details may be only the model, PBX and analog device. For a multi-site rollout, a more structured review of firmware, provisioning, network standards and spare-unit policy can be worthwhile.
Support across Dubai, Abu Dhabi, Sharjah and Ajman
Businesses in Dubai, Abu Dhabi, Sharjah and Ajman can contact FourTeck for product availability checks, ATA selection guidance, quote preparation and delivery coordination. The same model can be used in very different environments: a small office may need two analog extensions behind a hosted PBX, a warehouse may need an analog phone at a service desk, and a branch office may be retaining a fax device during a broader SIP migration. Because those requirements differ, FourTeck recommends sharing the PBX or SIP provider, endpoint type, quantity, delivery location and target deployment date rather than choosing only from the model name. Project support can also include discussion of network switching, IP PBX design and compatible telephony equipment where the ATA forms part of a wider communications upgrade.
GCC and Africa project inquiries
FourTeck also supports business technology inquiries through regional channels for selected GCC and Africa markets. Organizations with requirements in Saudi Arabia, Qatar, Oman, Kuwait and Bahrain, or in markets such as Kenya and Uganda, can discuss product sourcing and project coordination based on the destination, quantity, support expectations and supplier conditions. Availability, delivery routes, warranty handling and local deployment arrangements can differ by country, so regional orders should be reviewed individually rather than treated as extensions of a UAE quotation.
For multi-country voice projects, it is useful to standardize the ATA configuration, firmware policy, credential ownership and replacement process before shipment. Buyers can use FourTeck UAE for UAE inquiries and the regional platforms for Kenya technology support, Uganda IT inquiries, Africa regional projects and Kuwait project support.
Other products and solutions buyers may consider
The right alternative depends mainly on analog port count, routing requirements and whether the wider project also needs IP PBX, endpoints or network infrastructure.
Grandstream HT801 v2
Consider the single-port model when only one analog endpoint is required at the location. It avoids paying for an unused second FXS port while keeping the same general ATA family approach.
Grandstream HT812 v2
Consider this family direction when two FXS ports are still required but the site also needs the network-port and routing architecture associated with the HT812 v2. Confirm the exact networking requirement before choosing between the two models.
Grandstream HT814 v2
A logical step when four analog FXS ports are needed at one site rather than two.
Grandstream HT818 v2
Suitable to review when the requirement rises to eight analog FXS ports in a more concentrated deployment.
Grandstream DP720
For users who need cordless SIP mobility rather than analog conversion, a DECT handset ecosystem may be more appropriate.
Voice-ready network planning
ATA performance depends on a stable LAN. Buyers planning voice VLANs or IP phones may also need suitable switching and PBX design.
Buying support that looks beyond the model number
An analog telephone adapter is inexpensive compared with a complete communications platform, yet a poor match can still waste installation time and create persistent call problems. FourTeck approaches the purchase as part of the wider voice environment. The team can help clarify whether the buyer needs one, two or more analog ports, whether the SIP platform is suitable, whether fax support is required, and whether the network is prepared for stable VoIP traffic.
Assistance with current sourcing options based on quantity and timing.
Review of port count, SIP environment, network and endpoint requirements.
Clearer quotation when the buyer supplies the project details that affect fit.
Planning around confirmed destination, quantity and supplier conditions.
Clarification of warranty expectations for the actual offered product source.
Support when the ATA is part of an IP PBX, switching or endpoint project.
For organizations planning a broader voice upgrade, review FourTeck’s IPBX and telecommunication solutions in Dubai. This is useful when ATA selection is only one part of a project involving SIP trunks, IP phones, network switching, structured cabling or PBX configuration.
Grandstream HT802 v2 buyer FAQ
What is the HT802 v2 used for?
It connects up to two analog telephone devices to a SIP-based Voice over IP environment through two RJ11 FXS ports. Typical uses include retaining analog phones during a PBX migration, supporting a small branch with two analog endpoints, or connecting a compatible fax device while the wider communication platform runs on SIP.
Does it support two separate SIP accounts?
Grandstream lists support for two SIP profiles through the two FXS ports. The exact assignment and registration behavior should be configured to match the PBX or hosted SIP service. Buyers should confirm credentials, extension numbering, dial plan, caller ID and failover requirements before deployment.
Can the HT802 v2 be used for fax?
Yes, the device supports T.38 Group 3 fax relay up to 14.4kbps and can switch to G.711 fax pass-through. Reliable fax over IP depends on more than the ATA, so the SIP provider, PBX, network quality and remote fax path should also be checked and tested for business-critical workflows.
How is the v2 different from the earlier HT802?
Grandstream’s comparison material identifies a faster Cortex-A35 1.3GHz processor platform, increased memory and flash, a newer web interface, unique random default passwords per unit, and Forward Error Correction with redundancy encoding for the v2 family. The core purpose remains the same: two FXS analog endpoints connected to SIP through one Fast Ethernet interface.
Can FourTeck help with configuration planning?
FourTeck can help review model fit, port count, PBX or hosted SIP platform, network considerations, fax requirements and provisioning expectations before quotation. The level of configuration or installation support available can depend on the project scope, so share the location, quantity, current voice system and target deployment date when requesting assistance.
Does it work with Grandstream UCM IP PBX systems?
Grandstream states that the HT802 v2 can be used with its UCM series IP PBXs and supports Zero Configuration provisioning in compatible deployments. Buyers should still confirm the exact UCM model, firmware, network design and required extension settings so provisioning and calling features operate as expected.
Is this suitable for a small office?
Yes, when the office needs no more than two analog endpoints and already has or plans to use a compatible SIP service. It is especially relevant for small businesses retaining a reception phone or fax line during a migration. If more analog ports or built-in routing are needed, another HT model may be a better fit.
Is the product available in Dubai and the UAE?
FourTeck can assist with availability inquiries, quotation and delivery coordination for Dubai and UAE business requirements. Availability can change with supplier status, quantity and order timing, so contact the team with the required quantity and delivery location rather than relying on an assumed stock level.
What should I provide when requesting a quote?
Provide the model, quantity, analog device types, PBX or SIP provider, delivery location, target date and whether fax, configuration or installation support is required. For multiple sites, add the number of locations and whether the devices should use a standardized provisioning template or firmware policy.
When should I choose another HT model?
Choose another model when the project needs a different number of FXS ports or a different network architecture. A single analog endpoint may suit the HT801 v2. Two FXS ports plus routing requirements may lead you toward the HT812 v2, while four or eight analog endpoints can justify reviewing the HT814 v2 or HT818 v2.
Need Help Choosing the Right ATA for Your Voice Setup?
FourTeck can review the analog endpoint count, SIP platform, fax requirement, network environment, quantity, delivery location and warranty expectations before preparing a quote. This helps distinguish a straightforward two-port ATA requirement from a project that would be better served by another gateway or a wider IP PBX solution.
Share the model, quantity, analog device types, PBX or hosted SIP platform, delivery location and target date.
