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
| Feature | Specification |
|---|---|
| GSM Channels | 4 Channels |
| SIM Card Slots | 4 (Standard SIM) |
| Network Interface | 1 x 10/100 Mbps Ethernet |
| Protocols | SIP (RFC3261), IAX2 |
| Transport | UDP, TCP, TLS, SRTP |
| DTMF Mode | RFC2833, SIP INFO, In-band |
| Power Supply | AC 100-240V |
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.
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