Stock Status:
Condition: New
SKU : 4385M64
4-port 4G LTE connectivity for connecting multiple cellular lines to a VoIP telephone system.
Supports 4 independent LTE channels, allowing businesses to integrate multiple mobile lines with an IP PBX.
Supports GSM, 3G WCDMA and 4G LTE, with network support depending on the installed cellular module.
VoLTE support where supported by the installed LTE module, SIM card and mobile network.
Supports SIP and IAX2 for integration with compatible IP PBX and VoIP platforms.
Enables mobile-to-VoIP and VoIP-to-mobile communication.
Supports SMS sending and receiving, bulk SMS and USSD functions.
Least Cost Routing helps businesses select preferred routes for outgoing calls.
Advanced incoming and outgoing call-routing rules.
Web-based management for configuration, monitoring and administration.
Supports firewall, VLAN, OpenVPN, QoS, static routing and other network-management features.
ITU-T G.168 echo cancellation helps improve voice clarity.
Compact design measuring approximately 213 × 160 × 44 mm
The Yeastar TG400L 4G LTE 4 Ports VoIP GSM Gateway is designed to bridge mobile cellular networks with IP-based telephone systems. With four LTE channels, it allows businesses to connect multiple mobile lines to an IP PBX, SIP platform or compatible softswitch and route calls between cellular and VoIP networks.
The gateway is suitable for businesses that need additional mobile calling capacity, cellular backup communication or a practical way to integrate mobile networks into their existing VoIP infrastructure. It supports SIP and IAX2, VoLTE where available, SMS, USSD, flexible call routing and Least Cost Routing.
| Product | Price in Kenya |
|---|---|
| Yeastar TG400L 4G LTE 4 Ports VoIP GSM Gateway | KSh 60,000 – KSh 65,000 |
| Specification | Details |
|---|---|
| Brand | Yeastar |
| Model | TG400L |
| Product Type | 4-Port 4G LTE VoIP GSM Gateway |
| Mobile Channels | 4 LTE ports |
| Cellular Networks | 4G LTE, 3G WCDMA and GSM |
| GSM Frequencies | 850, 900, 1800, 1900 MHz |
| WCDMA | 850/1900, 850/2100, 900/2100 MHz |
| VoLTE | Supported where compatible |
| VoIP Protocols | SIP, IAX2 |
| Transport | UDP, TCP, TLS, SRTP |
| Voice Codecs | G.711 A-law/U-law, G.722, G.726, G.729A, GSM, ADPCM, Speex |
| Echo Cancellation | ITU-T G.168 LEC |
| DTMF | RFC2833, SIP INFO, In-band |
| Ethernet | 1 × 10/100 Mbps RJ45 |
| SMS | Send and receive |
| Bulk SMS | Supported |
| USSD | Supported |
| Call Direction | VoIP to mobile and mobile to VoIP |
| Call Routing | Incoming and outgoing routing |
| Least Cost Routing | Supported |
| Call Back | Supported |
| Call Transfer | Supported |
| AutoCLIP | Supported |
| CDR | Supported |
| Network Features | DHCP, DDNS, Firewall, VLAN, QoS, Static Route, OpenVPN |
| NAT Traversal | Static NAT, STUN |
| Management | Web-based interface |
| Power Supply | AC 100–240V |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -20°C to 65°C |
| Operating Humidity | 10%–90% non-condensing |
| Dimensions | Approx. 213 × 160 × 44 mm |
The core specifications above are supported by current Kenya-based listings and technical product information. LTE frequency availability can vary according to the cellular module and regional version, so the installed module should be confirmed before deployment.
Provides four cellular channels for handling mobile-network communications.
Supports bidirectional communication between cellular networks and VoIP systems.
VoLTE can provide higher-quality voice communication when supported by the network and hardware.
ITU-T G.168 echo cancellation helps reduce echo during calls.
Multiple voice codecs provide flexibility when integrating with different VoIP environments.
Least Cost Routing can help businesses direct calls through preferred mobile or VoIP routes.
Four mobile channels can provide greater calling capacity than smaller two-port gateways.
Suitable for cellular backup when a business needs an alternative communication path.
SMS, bulk SMS and USSD capabilities make the gateway useful beyond voice calling.
Compact 213 × 160 × 44 mm enclosure for practical installation.
Designed for professional business communication environments.
Can be deployed alongside an IP PBX, VoIP server or compatible softswitch.
Web-based administration reduces the need for dedicated configuration software.
AC 100–240V power compatibility supports standard electrical installations.
Operating temperature of 0°C to 40°C is suitable for typical office and communications-room environments.
Integrates cellular mobile networks with SIP-based IP PBX systems.
Supports SIP and IAX2 protocols.
Can connect with Yeastar and compatible third-party PBX and softswitch platforms.
Provides one 10/100 Mbps Ethernet network interface.
Supports UDP, TCP, TLS and SRTP transport options.
Network features include VLAN, QoS, firewall, OpenVPN, DDNS and static routing.
Supports static NAT and STUN for NAT traversal.
Can be used with systems such as compatible Asterisk, 3CX and other SIP-based platforms, subject to configuration and interoperability requirements.
Small and medium-sized businesses requiring mobile-to-VoIP connectivity.
Call centres that need additional cellular calling channels.
Branch offices requiring mobile communication integrated with a central PBX.
IP PBX installations that need additional GSM or LTE trunks.
Business cellular backup where an alternative communication route is required.
Bulk SMS applications for customer notifications and business communication.
Mobile trunking for businesses handling significant numbers of calls to mobile networks.
Remote offices requiring flexible cellular connectivity.
Organizations looking to manage multiple mobile routes from a centralized VoIP environment.
What is the Yeastar TG400L used for?
The Yeastar TG400L connects 4G LTE, 3G and GSM mobile networks with VoIP systems, allowing businesses to route calls between mobile networks and IP-based telephone systems.
How many mobile channels does the TG400L have?
The TG400L has four mobile LTE channels, providing capacity for multiple cellular connections.
Does the Yeastar TG400L support VoLTE?
Yes. VoLTE is supported where the installed LTE module, SIM card, mobile network and regional configuration support it.
Does the TG400L support SMS?
Yes. It supports sending and receiving SMS, as well as bulk SMS functionality. USSD is also supported.
Can the TG400L connect to an IP PBX?
Yes. It supports SIP and IAX2 and can integrate with compatible IP PBX systems and softswitches.
Does the TG400L support Least Cost Routing?
Yes. Least Cost Routing can be configured to help select preferred routes for outgoing calls.
What network connection does the TG400L use?
The gateway provides one 10/100 Mbps Ethernet interface for network and VoIP connectivity.
Is the Yeastar TG400L suitable for a call centre?
Yes. Its four cellular channels can provide additional mobile calling capacity and routing options for call-centre environments.
| Pros | Cons |
|---|---|
| Four LTE cellular channels | LTE band support depends on the installed module |
| Supports SIP and IAX2 | Ethernet interface is limited to 10/100 Mbps |
| VoLTE support where compatible | Requires appropriate SIM and cellular network service |
| Supports SMS, bulk SMS and USSD | More advanced than needed for very small deployments |
| Flexible incoming and outgoing routing | Requires VoIP and network configuration |
| Least Cost Routing support | Cellular performance depends on network coverage |
| Firewall, VLAN, QoS and OpenVPN support | 4G performance varies by carrier and signal conditions |
| Compact professional design | Intended primarily for business communication deployments |
The Yeastar TG400L 4G LTE 4 Ports VoIP GSM Gateway is a flexible solution for businesses that need to connect multiple mobile lines with an IP-based telephone system. Its four LTE channels, SIP and IAX2 compatibility, VoLTE support, SMS and USSD functionality, advanced call routing and network-security features make it suitable for offices, call centres, branch locations and cellular backup deployments.
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