Yeastar TG400 4-Port GSM VoIP Gateway

Yeastar TG400 Gateway

The Yeastar TG400 GSM Gateway provides a robust bridge between GSM cellular networks and IP-based communication systems. This hardware features four GSM channels to facilitate efficient cellular-to-VoIP routing. It supports both SIP and IAX2 protocols for broad interoperability. Consequently, network engineers can integrate mobile connectivity into existing IP-PBX environments. The device utilizes a high-performance hardware platform for consistent uptime. Therefore, it serves as a critical failover or primary trunking solution for business telephony.

Key Features

• Quad-Band Connectivity
  This system supports 850/900/1800/1900 MHz frequencies to ensure global compatibility with major cellular carriers.
• Advanced Voice Processing
  • G.711 (alaw/ulaw), G.722, G.726, and G.729A codec support
  • ITU-T G.168 LEC echo cancellation for high audio clarity
  • Dynamic Jitter Buffer and Comfort Noise Generation (CNG)
• Intelligent Call Routing
  The Least Cost Routing (LCR) engine optimizes outbound traffic by selecting the most economical carrier path based on dialed digits.
• Security and Management
  • Integrated firewall and IP blacklist for network protection
  • VLAN support for dedicated voice traffic isolation
  • Web-based GUI for remote configuration and monitoring

Specifications

What’s in the Box

• Yeastar TG400 Unit
• Power Cord
• 4 External GSM Antennas
• Ethernet Cable
• Warranty Card and Quick Start Guide

Why Choose Yeastar TG400

• Reduces operational expenditure through mobile-to-mobile call rates and least cost routing algorithms.
• Enhances system reliability by providing a cellular backup trunk if primary internet connectivity fails.
• Simplifies SMS management through a built-in SMS center for sending and receiving bulk messages via web interface.
• Ensures compatibility with mainstream IP-PBX platforms including Asterisk, FreePBX, and 3CX systems.