The Yeastar TG400L is a VoIP 4G LTE gateway with 4 channels, designed to connect your SIP-based telephone system to the cellular network. It provides a dependable communication link for voice calls and SMS messaging, serving as either a primary trunk or a failover solution for your business communications.

This gateway bridges your IP PBX system and the 4G LTE network, enabling two-way communication. If your existing landline or internet connection fails, the TG400L can automatically route calls over the mobile network, ensuring business continuity. It is also suitable for deployment in locations where traditional fixed-line infrastructure is unavailable or costly.

Key Features:

• Cellular Connectivity: Four channels for connecting to the 4G LTE network, with fallback support for 3G and GSM.

• VoIP Integration: Fully compliant with SIP standards for high compatibility with major IP PBX and softswitch brands.

• Voice and SMS: Supports high-quality voice calls and provides SMS-to-email and email-to-SMS functionality for business messaging.

• Flexible Call Routing: Configurable rules for call routing to manage costs and ensure efficient call distribution.

• Management: An intuitive web-based interface allows for straightforward configuration and management of the device.

• Security: Features include firewall, IP blocklists, and transport layer security (TLS) to protect your communications.