Yeastar Neogate TG400 – 4 Port GSM VoIP Gateway

• Equipped with 4 GSM ports, allowing up to four simultaneous mobile calls for efficient business communication

• Seamlessly connects GSM mobile networks with SIP-based VoIP systems for smooth two-way voice traffic

• Supports SIP and IAX2 protocols, ensuring wide compatibility with popular IP PBX platforms

• Fully compatible with Asterisk, FreePBX, 3CX, Elastix, and most standard VoIP systems

• Enables Least Cost Routing to automatically direct calls through the most affordable GSM or VoIP route

• Supports SMS sending and receiving via GSM network, ideal for notifications and customer communication

• Advanced inbound and outbound call routing rules based on time, caller ID, or specific dialing patterns

• Built-in web-based management interface for simple configuration, monitoring, and maintenance

• Supports multiple voice codecs including G711, G722, G726, and G729 for optimized voice quality and bandwidth usage

• Provides GSM fallback capability to maintain communication if SIP trunk or internet connection fails

• Includes strong security features such as firewall, TLS, and SRTP to protect voice traffic

• Single 10/100 Mbps Ethernet port for stable and reliable LAN connectivity

• Supports USSD functionality for balance checks and SIM management directly from the gateway

• Compact and durable design suitable for office, SME, and call center environments

• Ideal solution for businesses looking to reduce mobile call costs while improving telephony flexibility