Yeastar TG400L 4‑Port LTE/4G VoIP Gateway
The Yeastar TG400L is a 4‑port LTE/4G VoIP gateway that bridges cellular networks (4G/LTE/3G/GSM) with SIP‑based telephony systems, supports VoLTE HD voice, SMS/USSD, echo cancellation, and web‑based management — ideal for SMBs adding mobile trunking or reliable failover connectivity.
Yeastar TG400L — 4‑Port 4G LTE VoIP Gateway for Mobile Trunking & Fallback
The Yeastar TG400L 4‑Port LTE/4G VoIP Gateway is a versatile telephony device designed to integrate LTE/4G mobile networks with SIP-based VoIP systems. It allows businesses to leverage cellular networks for voice communication, providing cost-effective trunking, failover redundancy, and expanded connectivity where traditional PSTN lines are unavailable or limited.
Featuring 4 independent LTE/4G channels, the TG400L supports multiple simultaneous calls and flexible call routing between GSM/4G trunks and VoIP extensions. Its web-based management interface simplifies setup, configuration, and monitoring, while full SIP protocol support ensures broad compatibility with IP-PBX platforms such as Asterisk, FreePBX, and Yeastar S-Series VoIP PBX.
Ideal for small offices, retail locations, remote sites, and mobile-centric businesses, the TG400L delivers high-quality voice, reliable mobile integration, and intelligent call routing for a seamless communication experience.
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