Yeastar Neogate TG400 – 4 Port GSM VoIP Gateway

The Yeastar NeoGate TG400 is a 4-port GSM VoIP gateway built for small to medium-sized businesses and VoIP providers looking to reduce telecommunication costs while maintaining high-quality, reliable voice communications. Designed for two-way connectivity between GSM and VoIP networks, the TG400 enables GSM calls to be placed via SIP-based systems and incoming GSM calls to be routed efficiently through IP PBX platforms. Compact, cost-effective, and feature-rich, it is ideal for businesses needing mobile call integration without compromising reliability or scalability.

Product Features

Dual-direction GSM and VoIP communication
Facilitates both GSM-to-VoIP and VoIP-to-GSM calling, enabling mobile call routing through SIP-based phone systems for increased operational flexibility.

4 simultaneous GSM channels
Supports up to four concurrent GSM calls, providing sufficient capacity for small and mid-sized businesses managing moderate call volumes.

Wide VoIP and PBX compatibility
Supports SIP and IAX2 protocols and works seamlessly with major IP PBX systems and softswitches including Asterisk, FreePBX, 3CX, Elastix, and more.

Built-in SIP Proxy Registrar
Allows IP phones to register directly to the TG400, making the system more flexible and reducing the need for additional hardware or software infrastructure.

Advanced call handling and routing
Includes time-based routing, caller ID-based routing, and failover options to ensure call completion even if the primary VoIP network is down.

Secure and intelligent networking
Equipped with firewall, VLAN support, DDNS, OpenVPN, and NAT traversal to ensure secure communication and optimal network performance.

Reliable performance and durability
Hot-swap design and robust hardware ensure maximum uptime, making the TG400 a dependable choice for demanding business environments.

Simple web-based management
Intuitive and easy-to-use web GUI allows for fast configuration, monitoring, firmware upgrades, and diagnostics.

Product Specifications

• GSM Channels: 4
• GSM Network Support: 850/900/1800/1900 MHz (quad-band)
• VoIP Protocols: SIP (RFC3261), IAX2
• Transport Protocols: UDP, TCP, TLS, SRTP
• Voice Codecs: G.711 A-law/u-law, G.722, G.723, G.726, G.729a, GSM, ADPCM, Speex
• DTMF Support: RFC2833, SIP INFO, In-band
• Echo Cancellation: ITU-T G.168 Line Echo Cancellation
• LAN Interface: 1 × 10/100 Mbps Ethernet port
• Network Features: Static IP, DHCP client, firewall, VLAN, DDNS, QoS, OpenVPN
• NAT Traversal: Static NAT, STUN
• IP Phone Registration: SIP proxy registrar support
• Management Interface: Web-based GUI
• Dimensions: 213 × 160 × 44 mm
• Power Supply: AC 10060Hz (0.5A Max)
• Use Case: Ideal for VoIP service providers, SMEs, remote branches, and mobile-enabled communication solutions