Yeastar Neogate TG400 – 4 Port GSM

The Yeastar Neogate TG400 is a robust 4-port GSM VoIP gateway designed to connect GSM mobile networks with VoIP phone systems. This professional-grade device enables seamless communication between mobile phones and IP telephony systems, helping businesses significantly reduce communication costs and enhance call routing flexibility.

Perfectly suited for small and medium-sized businesses (SMBs), call centers, and enterprise-level deployments, the TG400 transforms the way your organization handles mobile voice traffic. Whether you’re aiming to create a reliable mobile trunk, cut down international call costs, or enhance business continuity, the TG400 offers a reliable, scalable solution.

Yeastar Neogate TG400 Highlights & Benefits

4 Independent GSM Channels: Each port supports one SIM card, allowing for four concurrent GSM calls, providing high availability and redundancy.

Dual Protocol Support (SIP & IAX2): Ensures compatibility with popular VoIP platforms like Asterisk, FreePBX, 3CX, Elastix, and all Yeastar IP PBX Systems.

Voice & SMS Support: Not only does the TG400 handle voice calls, but it also allows SMS sending and receiving, SMS to Email, and Email to SMS, expanding its use case for notifications and customer engagement.

Advanced Call Routing Rules: Set custom routing strategies based on time, number, carrier, or call type to optimize usage and control expenses.

Hot Swappable SIM Cards: Change SIM cards without powering off the device for greater uptime and convenience.

Comprehensive Management Portal: The intuitive web-based user interface enables easy configuration, monitoring, call logs, and system updates.

Yeastar TG400 Key Features

• 4 GSM/WCDMA ports for up to 4 simultaneous mobile calls

• Supports GSM 850/900/1800/1900 MHz and optional 3G/UMTS bands

• SIP and IAX2 protocol support for wide PBX compatibility

• Secure transport options: UDP, TCP, TLS, SRTP

• High-quality audio with codecs like G.711, G.722, G.729, GSM, and more

• Echo cancellation (G.168) for clearer voice calls

• Least Cost Routing (LCR) to reduce call expenses

• Flexible inbound and outbound call routing

• SMS sending/receiving and bulk SMS capability

• USSD support for SIM balance and network checks

• Open API for SMS and USSD system integration

• Works in SIP server mode or SIP peer mode

• Automatic failover for backup communication

• Security features: IP blacklist, attack alerts, firewall

• NAT traversal: Static NAT and STUN support

• Web-based interface for easy setup and monitoring

• Supports VLAN, QoS, DDNS, OpenVPN

• Call features: call back, transfer, waiting, parking

• Call detail records (CDR) for tracking usage

• Config backup/restore and firmware upgrades

• Compact design with AC 100–240 V power supply

Technical Specifications

Feature Specification
GSM Channels 4 (Quad-Band 850/900/1800/1900 MHz)
Network Compatibility GSM, 2G
Protocols Supported SIP (RFC3261), IAX2
Voice Codec Support G.711 (a/u-law), G.722, G.729A, GSM
Management Interface Web-based GUI
Power Supply DC 12V, 2A
Dimensions 213 x 160 x 44 mm
Weight Approx. 0.9 kg
Operating Temperature 0 – 40°C
Compliance CE, FCC, RoHS

Use Cases

Call Centers: Reduce mobile termination rates by routing calls via GSM trunks.

Remote Areas: Extend VoIP telephony to regions without stable landlines using mobile networks.

Field Offices or Branches: Create a failover route for voice communication via GSM.

Bulk SMS: Send alerts, promotions, or messages to clients using the integrated SMS center.

Global Compatibility & Integration
The Yeastar TG400 supports quad-band GSM frequencies, ensuring compatibility across many countries including Kenya, South Africa, Nigeria, the UK, India, and the US. This makes it ideal for businesses with global communication needs or those operating in regions where landline infrastructure is unreliable or unavailable.

You can easily integrate it with open-source platforms like Asterisk, Issabel, and FreePBX, or commercial PBX systems such as 3CX and Avaya.

What’s in the Box

1 x Yeastar Neogate TG400 Gateway

1 x Power Adapter

4 x GSM Antennas

1 x Ethernet Cable

1 x Quick Start Guide

Secure and Reliable
Security is built-in with support for SIP over TLS and SRTP. The device is firewall friendly, supports VPN passthrough, and offers blacklist and whitelist management. Businesses can confidently deploy the TG400 without compromising on security.

Support and Resources
Yeastar Official Product Page

TG400 User Manual PDF

Configuration with FreePBX

Firmware Updates

Why Choose Yeastar TG400 for Your Business?
Yeastar has been a trusted name in unified communications and VoIP solutions for over a decade. With thousands of global deployments, the TG400 represents a smart investment for businesses seeking reliability, flexibility, and efficiency in their voice infrastructure.

If you’re looking to reduce call costs, increase flexibility, and modernize your communication system, the Yeastar Neogate TG400 is the right gateway for you.

Order Now from Starmount Store
Upgrade your telephony today with the Yeastar TG400 GSM VoIP Gateway.
Available for delivery across Kenya and East Africa.

Order Now from Starmount Store
Learn More at Yeastar