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Yeastar TG400L 4 Ports 4-GLTE Gateway
Key Features
Brand:Yeastar
4 LTE mobile ports for simultaneous calls
VoIP to LTE and LTE to VoIP call routing
VoLTE HD voice support
SIP v2.0 and IAX2 protocol compatibility
SMS and USSD support
Web-based configuration and management
Cost-effective mobile trunking solution
1 Year Warranty
Yeastar TG400L 4 Port 4G LTE VoIP Gateway High-Capacity Mobile-to-IP Carrier Solution
The Yeastar TG400L is an enterprise-grade, standalone 4-port 4G LTE VoIP gateway engineered to seamlessly bridge digital IP-PBX phone systems directly with high-speed cellular mobile data and voice networks. Built specifically for medium-sized businesses, corporate call centers, and distributed multi-branch offices, this specialized network appliance accommodates 4 independent mobile SIM cards concurrently. Whether you are executing low-cost mobile call routing layouts in Westlands, upgrading real-time customer service dispatch lines in the Nairobi CBD, or deploying a cellular voice and data backup system in Kilimani, this robust gateway ensures continuous communication uptime and massive telecommunication cost savings
Next-Generation 4G VoLTE Voice Quality and Smart Trunk Aggregation
Deploying the Yeastar TG400L inside your communication rack is an exceptionally effective approach to eliminate expensive landline-to-mobile toll charges while securing future-proof voice lines that rely on modern cellular standards.
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- 4-Channel High-Speed LTE Voice Pipeline: Features 4 dedicated on-board SIM card slots running concurrently to process 4 simultaneous voice tracks directly over local 4G VoLTE mobile carrier grids in Upper Hill.
- Universal Multi-Band LTE Interoperability: Natively supports major 4G LTE, 3G, and 2G mobile data frequencies, ensuring plug-and-play matching with all major domestic and international mobile network operators in Parklands.
- Flexible Least Cost Routing (LCR) Engine: Outfitted with an intelligent automated dial plan analyzer that matches specific dialed prefix codes to route outbound traffic through the cheapest SIM channel along Mombasa Road.
- High-Definition Voice Codec Decoding: Handles G.711, G.722 (HD Voice), G.726, G.729A, and wideband cellular codecs smoothly to deliver warm, crisp audio tones over standard mobile radio connections.
Why Deploy the Yeastar TG400L Cellular Gateway
The Yeastar TG400L delivers the advanced short message automation, multi-platform softphone connectivity, and ironclad internal network defense required for modern business pipelines.
1 Robust Mobile Trunk Backup and Business Continuity
Protect your centralized office network from sudden landline fiber drops or external PSTN carrier outages. By functioning as a high-reliability fallback voice trunk, the TG400L instantly reroutes urgent incoming customer hotlines and outbound executive calls directly through the 4G LTE SIM channels the moment your primary internet lines fail.
2 Web-Based SMS Center and Messaging AutomationÂ
Move past basic voice routing by introducing high-utility short message capabilities to your desktop workflows. The gateway’s internal firmware includes a built-in graphical SMS Center dashboard, allowing team members to send and receive bulk corporate text messages, manage customer text confirmations, or configure automated text notifications directly through a standard web browser.
3 Universal Compatibility with Major VoIP Hardware
Take the extra configuration headaches and loose hardware adapter costs out of your system upgrades. The TG400L operates over standard SIP 2.0 protocols, making it natively compatible with mainstream software softphones, cloud-hosted PBX platforms, and standalone IP exchanges including Yeastar P-Series Systems and Fanvil Enterprise Phones.
Key Technical Specifications
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- Mobile SIM Capacity: 4 x Standard 4G LTE/VoLTE SIM Card Interfaces Running Concurrently
- VoIP Protocol Compliance: Universal Session Initiation Protocol (SIP) v2, IAX2 Framework
- Cellular Frequency Range: Global Multi-Band 4G LTE (with fallback compatibility to 3G/2G) Network Bands
- Hardwire Network Interface: 1 x 10/100 Mbps Self-Adaptive RJ45 Ethernet Port (LAN)
- Antenna Hardware Configuration: 4 x External Magnetic/Rubber Antennas with High-Gain SMA Connectors Included
- Audio Engineering Standards: Full-Duplex Acoustic Echo Cancellation (G.168 LEC), Dynamic Jitter Buffer, and Comfort Noise Generation (CNG)
- Advanced Routing Matrices: Custom SIP Peer Mode or Register Mode Configurations, Caller ID Masking, and Call Progress Tones
- Data Security Armor: Built-in Hardware Firewall, White Lists, Black Lists, and Secure Web Console Management (HTTP/HTTPS)
- Physical Housing Profile: Compact, Lightweight 1U Form Factor for Standard Server Rack or Desktop PlacementÂ
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