Yeastar TG Series VoIP 4G Gateway in Dubai, UAE
A cellular-to-VoIP gateway family that links 4G LTE mobile channels with SIP or IAX2 business telephony, with 2, 4, 8, or 16-channel models for different call-routing requirements.
The key buying decision is not simply the number of SIM channels. Buyers should also confirm the selected 4G LTE module, local operator band support, simultaneous call requirements, PBX interoperability, SMS needs, network policy, placement, and expansion plans. FourTeck can review these points before preparing a UAE quote.
SIP / IAX2 Integration
VoLTE When Carrier Supports
What the TG Series Does in a Business Phone Environment
The Yeastar TG Series VoIP 4G Gateway is designed to bridge cellular mobile services and an IP-based voice network. In practical terms, a business can place SIM cards in the gateway, connect the appliance to the local network, and create routes between those mobile channels and a compatible IP PBX, softswitch, or SIP-based telephone environment. That allows selected calls to leave through the cellular network and incoming mobile calls to be delivered into the organization’s VoIP system rather than being handled only on individual handsets.
This can solve several common communications problems. A company may want centrally managed mobile trunks for departments that call mobile numbers frequently. A branch may need a secondary voice route if its main fixed-line service becomes unavailable. A temporary office may need telephone service before a conventional line is installed. Another organization may want SMS and USSD functions integrated with a gateway rather than relying on separate consumer phones. The TG family addresses these scenarios through model choices that provide 2, 4, 8, or 16 mobile channels, together with routing, SIP trunking, web-based administration, call records, SMS functions, and network controls.
The gateway should be treated as part of a communications design rather than a standalone box. The number of channels affects simultaneous call capacity. The chosen LTE module affects cellular band compatibility. PBX settings determine how calls are authenticated and routed. Network design influences reachability, quality of service, security, and management. Antenna placement influences signal quality. For those reasons, a buyer should review the full requirement before selecting a model only from its port count.
For UAE projects, FourTeck can help structure that review. Buyers can provide the current PBX platform, expected simultaneous mobile calls, preferred mobile operator, required number of SIMs, SMS requirement, deployment location, quantity, and target date. FourTeck can then assist with model selection, compatibility questions, commercial quotation, delivery coordination, and warranty guidance. Where LTE bands or operator support are uncertain, the correct approach is to verify the selected module against the intended carrier before ordering.
Key Business Benefits
The value of a cellular VoIP gateway comes from controlled integration: mobile calls become part of the business telephony plan, with routing and management handled from an appliance rather than scattered across individual devices.
Bring Cellular Calling Under PBX Control
Instead of treating every SIM as an isolated phone, the gateway lets the organization build mobile routes into its broader call plan. Incoming and outgoing routing rules, mobile port groups, VoIP trunk groups, AutoCLIP, call transfer, callback, and call detail records give administrators more structure around how cellular calling is used. That matters when departments need predictable dial patterns, shared access to mobile trunks, or a controlled fallback path.
Choose Capacity by Simultaneous Demand
The family spans 2, 4, 8, and 16 mobile channels. A small branch can avoid buying excessive capacity, while a larger environment can plan for more concurrent cellular routes. The right model should reflect real peak call traffic rather than total employee count alone.
Add a Practical Alternative Voice Path
Cellular trunks can complement fixed voice services when a site needs an additional route. The gateway does not replace business continuity planning, but it can form part of a resilient calling design when the PBX is configured with appropriate priorities and fallback rules.
Central Web-Based Administration
Configuration is handled through a web interface, with tools for routing, status, logs, backup and restore, packet capture, network settings, SMS functions, and firmware updates. Central administration helps IT teams document and troubleshoot the gateway as part of the voice environment.
Use SMS and USSD from the Gateway
The TG platform supports SMS sending and receiving, bulk SMS, SMS center functions, USSD, and an open API for SMS and USSD. These capabilities can be useful where business processes require cellular messaging, subject to mobile operator terms and local compliance requirements.
Connect to Standards-Based VoIP Environments
Support for SIP and IAX2, together with UDP, TCP, TLS, and SRTP transports, gives integrators multiple ways to build the voice connection. Yeastar also provides guidance for interconnection with its own PBX platforms and other SIP systems. Actual interoperability still depends on PBX version, trunk settings, codecs, NAT, firewall rules, and the intended call flow, so those details should be reviewed before deployment.
A Flexible 4G Trunking Platform, Not Just a SIM Box
TG Series models combine cellular interfaces with business telephony controls. Yeastar specifies two-way calling between 4G and VoIP, model capacities from two to sixteen 4G channels, SIP and IAX2 signaling, multiple voice codecs, echo cancellation, DTMF handling, and routing features for incoming and outgoing calls. The platform also includes a SIP server function for IP phone registration, which can be useful in carefully scoped small-office or temporary-site deployments.
For administration, the gateway supports static routing, VLAN, firewall functions, OpenVPN, Quality of Service, Dynamic DNS, backup and restore, system logs, packet capture, and web-based configuration. Those tools give an IT administrator a more complete operational view than a basic cellular adapter. Messaging features include SMS sending and receiving, bulk SMS, SMS Center, USSD, and API access for SMS and USSD integration with external applications.
One specification deserves particular attention in the UAE: the supported 4G LTE bands depend on the module type. Yeastar explicitly advises users to check the supported band and operator before purchasing when the required operator is not shown in its compatibility list. FourTeck therefore recommends confirming the intended carrier and module rather than assuming that every TG hardware variant is interchangeable across mobile networks.
TG200, TG400, TG800 and TG1600 Specifications
The table below summarizes confirmed family-level specifications from Yeastar. Exact 4G LTE bands and operator support depend on the module selected, so cellular compatibility should be checked before purchase.
| Specification | Confirmed TG Series Detail |
|---|---|
| Brand / Family | Yeastar TG Series VoIP 4G Gateways |
| Models and 4G channels | TG200: 2; TG400: 4; TG800: 8; TG1600: 16 |
| VoIP signaling | SIP, IAX2 |
| Transport | UDP, TCP, TLS, SRTP |
| Voice codecs | G.711 alaw/ulaw, G.726, G.729A, GSM, ADPCM, Speex |
| DTMF / echo cancellation | RFC2833, SIP INFO, In-band; ITU-T G.168 LEC |
| Ethernet | TG200/TG400: 1 × 10/100 Mbps; TG800/TG1600: 2 × 10/100 Mbps |
| Antenna splitter | 4-in-1 antenna splitter supported on TG400, TG800, and TG1600 |
| 4G LTE band | Depends on selected module type; verify carrier and band support before ordering |
| VoLTE | Supported if the cellular carrier supports it |
| Messaging | SMS send/receive, bulk SMS, SMS Center, USSD, open API for SMS and USSD |
| Routing and call functions | Mobile port groups, VoIP trunk groups, incoming/outgoing rules, call duration limits, transfer, callback, CDR, call status display, hotline, AutoCLIP |
| Network / management | Static NAT, STUN, static route, OpenVPN, firewall, VLAN, QoS/ToS, DDNS, HTTP/TFTP firmware update, backup/restore, web configuration |
| Power supply | AC 100–240V |
| Dimensions | TG200/TG400: 213 × 160 × 44 mm; TG800: 340 × 210 × 44 mm; TG1600: 440 × 280 × 44 mm according to the official datasheet |
| Operating environment | 0°C to 40°C operating; -20°C to 65°C storage; 10–90% non-condensing humidity |
| Warranty / availability | Contact FourTeck for current options and supplier-specific warranty guidance |
How to interpret the model choice
Channel count should be selected from peak simultaneous mobile calls, not simply the number of employees. A company with twenty staff may still need only two mobile channels if cellular calling is occasional, while a smaller outbound team may need four or eight channels if several people regularly use mobile routes at the same time.
The LTE module is equally important. Because Yeastar states that supported bands depend on module type, buyers should provide the intended UAE operator and deployment requirement so the correct hardware variant can be reviewed. For projects using SMS, API integration, VoLTE, or specific security settings, include those requirements in the request rather than assuming every deployment will be configured the same way.
Configuration and Buyer Guidance
Start with traffic and compatibility. The correct gateway is the one that matches simultaneous cellular call demand, the intended mobile operator, the current PBX, and the business workflow. Port count alone does not confirm suitability.
How many calls must run at once?
Estimate the highest number of simultaneous calls expected through the cellular gateway. That figure should drive the choice between 2, 4, 8, and 16-channel models. Include expected growth if the gateway will serve a new team or additional branch.
Which mobile operator will be used?
LTE band support depends on module type. Provide the operator name and, where possible, the required LTE/VoLTE service details. This avoids ordering a module that does not match the intended network.
What PBX or softswitch will connect?
Share the platform and version where known. SIP or IAX2 support is only the starting point; trunk authentication, codecs, route rules, NAT, firewall policies, and dial plans also affect the final integration.
Will SMS or API access be used?
If the project requires SMS, bulk messaging, email-to-SMS workflows, USSD, or third-party API integration, state that early. The implementation should also consider operator rules, message volume, access controls, and application ownership.
Where will the gateway be installed?
Plan Ethernet access, power, ventilation, grounding where applicable, rack or desktop placement, and antenna positioning. Good cellular signal at the antenna location matters as much as a correct IP configuration.
What should be sent for a useful quote?
Send the preferred model if known, required number of channels, quantity, PBX platform, operator, delivery location, target date, SMS requirement, and any installation or warranty expectations. FourTeck can use those details to narrow the options.
Ideal Business Use Cases
The TG family is most useful when a business has a clear reason to bring mobile-network calling or messaging into a managed VoIP environment. The following examples show where the gateway can fit without assuming that every organization needs the same configuration.
Mobile Trunks for an Existing IP PBX
An office with a SIP-based PBX can use the gateway to add controlled mobile routes alongside existing SIP trunks or fixed lines. Administrators can decide which dial patterns use cellular channels and how incoming mobile calls are delivered. This is useful when the organization has operational reasons to use SIM-based voice services while keeping call handling within the central phone system. The number of TG channels should reflect concurrent call demand, and the PBX integration must be planned before deployment.
Branch and Remote Site Calling
A branch can use cellular trunks as part of its local voice plan where mobile connectivity is operationally useful. This may suit warehouses, service offices, remote project sites, or locations where an additional communications path is valuable. Signal quality and carrier suitability should be checked at the site.
Temporary Office Telephony
Yeastar documents a use case in which the TG gateway can act as a SIP registrar for IP phones in a small temporary office. That can simplify a limited deployment when the scope is modest and cellular calling is appropriate, although the design should still consider user count, call handling needs, network security, and future PBX requirements.
Fallback or Secondary Calling Route
A cellular gateway can be incorporated into a route plan as an alternative when a primary voice path is unavailable or unsuitable for a specific call type. This is not a substitute for a complete disaster-recovery strategy, but it gives the PBX another routing option when configured correctly.
SMS-Enabled Business Workflows
Organizations that need SMS sending, receiving, bulk messaging, email-related SMS workflows, or application integration can use the TG messaging functions. The operational design should include authorized users, API security, message retention, operator policies, and the intended volume of messages.
Integrator and Multi-System Projects
System integrators can use TG gateways where a SIP environment needs a cellular interface and clear routing logic. Features such as packet capture, logs, trunk groups, TLS/SRTP support, OpenVPN, VLAN, and static routes help technical teams fit the gateway into a more controlled network design.
Yeastar TG Series Mobile Trunk Routing
For buyers who need controlled mobile calling, routing is the core feature. The gateway can group mobile ports, create VoIP trunk groups, and apply incoming or outgoing routing rules so cellular channels become part of the PBX call plan rather than isolated SIM connections.
This is useful when different departments should use different routes, when selected outbound number patterns should pass through mobile trunks, or when incoming SIM calls need to reach an IVR, extension, queue, or other PBX destination. Features such as AutoCLIP, callback, hotline, call transfer, and call duration limitation give administrators additional control, while call detail records and status views can help with operational review.
The buyer should map the intended call flow before installation. Document which numbers enter each SIM, where those calls should be delivered, which outbound patterns should use cellular routes, and what happens when all channels are busy. This makes the configuration easier to test and reduces the risk of discovering capacity or routing gaps after deployment.
Yeastar TG Series SIP, VoLTE and Network Control
The gateway is designed for standards-based VoIP integration, but successful deployment depends on the full network path. SIP or IAX2 signaling must reach the PBX correctly, the preferred transport must be enabled, firewall and NAT behavior must be understood, and codecs should be chosen in line with both sides of the connection.
Yeastar lists UDP, TCP, TLS, and SRTP among supported transport options, together with common voice codecs and DTMF methods. The platform also provides network controls including VLAN, firewall functions, static routing, OpenVPN, QoS/ToS, DDNS, STUN, and static NAT. These features give integrators flexibility, but they do not remove the need for a sensible voice-network design. For example, a PBX hosted outside the site may require different firewall and NAT planning from a PBX on the same LAN.
VoLTE support is available when the carrier supports it. Because carrier services and LTE bands vary, the intended mobile operator must be checked before procurement. A technically correct SIP configuration cannot compensate for an incompatible cellular module or poor radio signal.
Yeastar TG Series SMS and Application Integration
SMS capability can turn the gateway into more than a voice bridge. Yeastar documents SMS sending and receiving, bulk SMS, an SMS Center, email-related SMS workflows, scheduled message clearing, USSD, and an API that can allow third-party software to send and receive messages through the gateway.
A service organization might use SMS for operational notifications, while an application team may need API access for system-generated messages. An administrator may also use USSD to interact with carrier services where supported. These functions can be valuable, but they require a clear operating policy. Businesses should decide who can send messages, which SIMs can be used, how credentials are stored, whether permitted API IP addresses are restricted, and how message logs are retained.
Bulk messaging should also be approached with care. Mobile-network terms, consent requirements, message volumes, and local regulations may apply. The presence of a bulk SMS button does not mean every campaign or volume is suitable for every SIM plan. Buyers should confirm the intended use with their carrier and internal compliance process.
For an integration project, include the API use case in the quote request. FourTeck can help identify the appropriate hardware family and point the technical team toward the relevant Yeastar documentation, while the customer or integrator remains responsible for application logic, carrier policy, and final deployment security.
What Buyers Should Check Before Purchase
The biggest purchase risk is selecting the correct channel count but the wrong cellular module or integration plan. Confirm capacity, operator compatibility, PBX requirements, accessories, installation conditions, and commercial expectations before the order is finalized.
Configuration Fit
Choose TG200, TG400, TG800, or TG1600 according to peak simultaneous cellular calls. Then confirm whether the project needs ordinary voice routing only or also VoLTE, SMS, bulk messaging, USSD, API access, special route rules, or future channel growth. A higher channel count is useful only when the business can actually use and manage that capacity.
Compatibility Check
Confirm the mobile operator, 4G LTE band requirements, and PBX platform before ordering. Also review SIP trunk behavior, codecs, DTMF, firewall rules, IP addressing, VLAN policy, and whether the gateway will sit on the same LAN as the PBX or connect across a routed or VPN path. Cabling, antenna location, and signal quality belong in this compatibility review.
Availability and Warranty
Availability can vary by model, module type, quantity, supplier status, and required date. Warranty terms may also depend on the supplied unit and source. Ask for the exact part description on the quotation, expected lead time, warranty guidance, and any accessories needed for the intended installation. Do not assume a listed family name confirms every regional hardware variant.
Quote Preparation
Provide the model if known, number of required channels, quantity, operator, PBX make and version, delivery location, target date, SMS or API requirement, rack or desktop preference, and any installation or warranty expectations. If this is a replacement, include the existing TG model and current issue. These details help FourTeck prepare a more relevant option instead of quoting by name alone.
A long-term cost review should also include the SIM plans, mobile call tariffs, number of active subscriptions, administration effort, replacement strategy, and any integration work. The hardware is only one component of the operating cost. For project quantities, share the rollout schedule and whether all sites use the same mobile operator and PBX design.
Availability, Configuration and Service Guidance
FourTeck supports business inquiries for TG gateways in Dubai and across the UAE with practical pre-sales help. Availability may vary by model, selected cellular module, supplier status, quantity, and timing, so current options should be confirmed for each request rather than assumed from a family listing.
Review channel count, LTE module, operator, PBX platform, messaging requirements, and planned call flow before choosing the model.
Confirm quantity, delivery location, required date, and any project rollout constraints so supply options can be checked against the actual requirement.
Warranty terms are supplier and product dependent. Request the applicable warranty information for the quoted unit and keep the model, serial, invoice, and support records after purchase.
For a faster review, use the FourTeck contact page and include the mobile operator, PBX, channel requirement, quantity, and intended use. That allows the sales and technical teams to focus on the key selection risks instead of beginning with a generic product request.
Dubai, Abu Dhabi, Sharjah and Ajman Business Inquiries
Businesses in Dubai, Abu Dhabi, Sharjah, Ajman, and other UAE locations can contact FourTeck for product availability checks, model guidance, quote assistance, and delivery coordination. The same pre-purchase principles apply across locations: confirm the cellular operator, number of required channels, PBX or softswitch, quantity, and deployment date before finalizing the gateway choice.
For multi-site projects, it is useful to identify whether every location uses the same operator and telephony design. If sites differ, the project may need separate compatibility checks even when the same TG model is preferred. FourTeck can organize the inquiry around site requirements rather than treating a regional rollout as a single undifferentiated hardware order.
GCC and Africa Availability Guidance
FourTeck also receives business technology inquiries through regional channels serving selected GCC and Africa markets. Buyers in Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Kenya, Uganda, and other supported markets can request guidance, but product availability, delivery method, warranty handling, cellular compatibility, and commercial terms may differ by country.
Cellular gateways require more regional checking than many ordinary network devices because the 4G module must match the mobile service being used. A model suitable for one operator or market should not automatically be assumed suitable elsewhere. For cross-border projects, provide the country, operator, site count, quantity per site, PBX platform, and deployment schedule. That allows the requirement to be reviewed country by country where necessary.
Regional buyers may use FourTeck Kuwait, FourTeck Kenya, FourTeck Uganda, or the FourTeck Africa portal for the appropriate inquiry channel. Final options remain subject to supplier, product, operator, and destination requirements.
Other Options Buyers May Consider
A TG gateway is often purchased as part of a wider voice project. The most useful alternative or companion resource depends on whether the buyer is replacing an existing gateway, building a new IP PBX environment, or comparing different cellular gateway approaches.
Yeastar GSM Gateway Solutions
Useful for buyers who want broader guidance on Yeastar GSM, 3G, and 4G gateway planning rather than selecting a model immediately. This resource helps frame channel count, PBX integration, and mobile trunking requirements.
Yeastar VoIP Gateways
Compare TG cellular gateways with Yeastar analog or digital gateway families when the project also involves legacy lines, extensions, or other telephony interfaces.
Yeastar P550 IP PBX
Relevant when the gateway purchase is part of a wider PBX deployment and the business needs to evaluate the call-control platform as well as the cellular trunk device.
TG Gateway Replacement
Best for organizations replacing an older TG unit and needing to compare current channel, module, PBX, and migration requirements before changing hardware.
Yeastar Product Category
Use the wider Yeastar category to review PBX, gateway, licensing, and related communications products when the requirement includes several parts of the voice solution.
Why Business Buyers Contact FourTeck
A cellular gateway purchase benefits from a structured pre-sales conversation because model name, operator choice, PBX configuration, and rollout conditions all affect the result. FourTeck’s role is to help buyers organize those requirements before a quotation is finalized.
FourTeck can check current supply options for the requested model and quantity without assuming that every series variant is immediately available.
The team can help buyers frame channel count, LTE module, operator, PBX, SMS, and deployment questions before purchase.
A quote can be prepared around the requested quantity, location, timing, and selected model after the essential technical details are identified.
Buyers can discuss the current telephony environment and intended mobile operator so obvious compatibility questions are surfaced before ordering.
Project timing, destination, quantity, and rollout sequence can be included in the inquiry so logistics are considered alongside the hardware choice.
FourTeck can provide the applicable warranty information for the quoted supply and help buyers understand what details to retain for future support.
This approach is particularly helpful for SMB, enterprise, integrator, and multi-site buyers who need a dependable procurement record. Rather than relying on a generic family description, the buyer can document the selected model, module, quantity, carrier assumptions, PBX environment, and support expectations in the purchasing process.
Frequently Asked Questions
These answers focus on the practical points most buyers need to settle before requesting a TG gateway quotation.
What is the Yeastar TG Series used for?
The TG Series connects 4G LTE cellular channels with VoIP networks so calls can move between SIM-based mobile services and a SIP or IAX2 telephony environment. Businesses can use it for mobile trunking, controlled inbound and outbound cellular routes, fallback calling designs, SMS functions, and selected small-office or integration scenarios.
Which TG model should I choose?
Choose primarily by the number of simultaneous cellular calls you need: TG200 provides 2 channels, TG400 4, TG800 8, and TG1600 16. Then confirm the 4G module, operator, PBX compatibility, messaging requirement, and future growth. FourTeck can help review these factors before a quote is prepared.
Will any 4G SIM work with the gateway?
Not automatically. Yeastar states that supported LTE bands depend on the selected module type and advises buyers to check the intended operator and frequency support before purchasing when compatibility is not explicitly listed. Provide your mobile operator and service requirement so the hardware variant can be reviewed before ordering.
Can the TG gateway connect to an existing IP PBX?
The family supports SIP and IAX2 and is intended for VoIP integration, but the final connection depends on the PBX platform, version, trunk settings, codecs, NAT, firewall rules, and dial plan. Share your PBX details before purchase so the intended integration can be checked rather than assuming compatibility from protocol support alone.
Does the TG Series support VoLTE?
Yeastar lists VoLTE support when the cellular carrier supports it. Actual use therefore depends on the selected module, operator service, and deployment conditions. If VoLTE is a requirement, state it clearly in the inquiry and confirm operator support before finalizing the gateway configuration.
Can the gateway send and receive SMS?
Yes. Yeastar documents SMS sending and receiving, bulk SMS, SMS Center functions, email-related SMS features, USSD, and API support for messaging integration. Carrier terms, local requirements, message volume, and application security still need to be considered. Mention the intended SMS workflow when asking for a quote.
Is the gateway suitable as a backup calling route?
It can be incorporated as an alternative cellular voice route in a PBX design. The benefit depends on how the routing logic is configured, whether the mobile network is available, and how the primary and secondary paths are managed. Treat it as one element of a continuity plan rather than a guarantee against every communications outage.
What information should I provide for a UAE quote?
Provide the preferred model if known, required channel count, quantity, mobile operator, PBX or softswitch, delivery location, required date, SMS or API needs, and any installation or warranty expectations. If replacing an older gateway, include the existing model and current reason for replacement. This gives FourTeck enough context to review the request properly.
Can businesses request multiple units for a project?
Yes, project and multi-unit inquiries can be submitted. Include the quantity per site, preferred model, operator used at each location, PBX standard, rollout schedule, delivery destinations, and whether all sites require the same configuration. Availability and commercial terms will depend on model, supplier status, timing, and destination.
Where can I get help if I am replacing an older TG gateway?
Start with the existing model, number of active SIM channels, current PBX, mobile operator, reason for replacement, and any new capacity or feature requirement. FourTeck can help compare a like-for-like replacement with a higher-channel or differently planned option and can coordinate a quotation based on current supply choices.
Need Help Choosing the Right TG Configuration?
FourTeck can review the intended mobile operator, required channel count, current PBX, messaging needs, quantity, delivery location, and warranty expectations before preparing a quote. This helps separate a simple two-channel requirement from a larger multi-SIM project that needs more careful routing and compatibility planning.
Share the model or required channels, operator, PBX, quantity, delivery location, target date, and whether SMS or API integration is needed.