YEASTAR TG4OOL

Product Description

The Yeastar TG400L is a 4-channel LTE/4G VoIP Gateway that bridges mobile cellular networks with SIP-based IP telephony systems. Designed for small and medium-sized businesses, it enables organizations to connect 4G LTE, 3G, and 2G mobile networks to IP PBXs, providing cost-effective voice communication, reliable mobile trunking, and uninterrupted business connectivity. The TG400L is ideal for businesses seeking to reduce telephony costs, deploy mobile-based voice services, or create a resilient failover solution for landline or SIP trunk outages.

Supporting four LTE channels, the TG400L allows up to four simultaneous voice calls and accommodates multiple SIM cards for efficient call handling. It is compatible with SIP and IAX2 protocols, ensuring seamless integration with leading IP PBX platforms such as Yeastar, Asterisk, FreePBX, 3CX, and other SIP-compliant systems. Advanced Least Cost Routing (LCR) intelligently routes calls through the most economical mobile network, helping businesses significantly reduce communication expenses. The gateway also supports VoLTE, delivering high-definition voice quality over LTE networks.

The TG400L includes comprehensive communication and management features such as SMS and USSD support, bulk SMS messaging, an Open API for third-party integration, and a user-friendly web management interface. Built-in security features including TLS, SRTP, firewall protection, VPN support, VLAN, QoS, and OpenVPN ensure secure and reliable operation. Automatic fallback to 3G or 2G networks maintains service continuity in areas with limited LTE coverage, making the TG400L a dependable solution for enterprise communications.

Key Features:

• 4-channel LTE/4G VoIP Gateway
• Supports 4 simultaneous mobile voice calls
• Compatible with 4G LTE, 3G, and 2G mobile networks
• Supports SIP v2 and IAX2 protocols
• VoLTE support for HD voice quality
• Intelligent Least Cost Routing (LCR) to reduce call costs
• SMS sending, receiving, bulk SMS, and USSD support
• Open API for SMS and USSD integration
• Advanced echo cancellation (ITU-T G.168)
• Dual support for TLS and SRTP secure communications
• Web-based configuration and centralized management
• Firewall, VPN, VLAN, QoS, DDNS, and OpenVPN support
• Automatic fallback to 3G/2G if LTE is unavailable
• Compatible with Yeastar, Asterisk, FreePBX, 3CX, and other SIP-based PBX systems
• Ideal for SMEs, branch offices, call centers, retail, hospitality, and enterprise VoIP deployments.