Yeastar TG400 4 Port GSM Gateway – Cost-Effective GSM to VoIP Integration for SMEs
The Yeastar TG400 4 Port GSM Gateway is a reliable and cost-efficient VoIP gateway that connects GSM networks with VoIP systems. Ideal for small to medium-sized businesses in Kenya, this gateway enables seamless two-way communication between your IP PBX system and GSM networks, reducing call costs while improving flexibility.
Whether you are looking to enhance call routing, reduce international and mobile charges, or add GSM trunking to your existing VoIP setup, the TG400 GSM Gateway delivers dependable performance with intuitive management and advanced call handling features.
Now available at Almiria Techstore Kenya, the TG400 is the perfect addition to any Yeastar-based or SIP-compatible PBX environment.

Key Features of Yeastar TG400 GSM Gateway
4 GSM Channels – Handles up to four simultaneous GSM calls, enabling high-volume call routing.
Two-Way GSM–VoIP Connectivity – Supports inbound and outbound GSM calling through your VoIP system.
Wide Compatibility – Works seamlessly with most IP PBX systems, softswitches, and SIP servers.
Built-in SIP Proxy – Allows IP phones to register directly on the gateway for easy deployment.
Advanced Call Routing – Route calls based on time, caller ID, or least-cost routing rules.
Hot-Swap Support – Replace SIM cards without restarting the system.
Failover Routing – Ensure call completion even if the VoIP network is down.
Intuitive Web-Based Management – Configure, monitor, and troubleshoot with ease.
Enhanced Security – Supports TLS, SRTP, firewall, NAT, and VPN features for secure communication.

Technical Specifications
| Specification | Details |
|---|---|
| GSM Channels | 4 |
| Frequency Bands | 850/900/1800/1900 MHz |
| Protocols | SIP (RFC3261), IAX2 |
| Transport Protocols | UDP, TCP, TLS, SRTP |
| DTMF Support | RFC2833, SIP INFO, In-band |
| Voice Codecs | G.711 a/u-law, G.722, G.726, G.729a, GSM, ADPCM, Speex |
| Echo Cancellation | ITU-T G.168 LEC |
| Ethernet Port | 1 Ă— 10/100 Mbps LAN |
| Network Features | Static IP, DHCP, VLAN, DDNS, QoS, OpenVPN |
| NAT Traversal | Static NAT, STUN |
| Dimensions | 213 Ă— 160 Ă— 44 mm |
| Power Supply | AC 100 |
đź› Ideal Use Cases
- Small businesses needing GSM trunking for cost-effective outbound calls
- VoIP providers seeking GSM gateway integration
- Organizations with frequent mobile-to-mobile communications
- Businesses operating in areas with limited landline access
Order Yeastar TG400 GSM Gateway in Kenya
Get the Yeastar TG400 4 Port GSM Gateway from Almiria Techstore Kenya. We provide expert support, fast delivery, and comprehensive VoIP integration services across Kenya.
đź”— Explore more Yeastar VoIP products: Yeastar Solutions at Almiria Techstore
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lucynjue96 –
Excellent Device !!!
Worked as expected