Yeastar Ip Gateway Tg400

The Yeastar TG400 is a compact 4-channel GSM VoIP gateway designed to bridge GSM networks with IP-based telephone systems. It supports up to four SIM cards and enables seamless communication between GSM and VoIP networks, making it ideal for small and medium-sized businesses with high mobile call volumes. Key features include SIP and IAX2 support, SMS sending and receiving, Least Cost Routing (LCR), call forwarding, call recording compatibility, and failover protection. The TG400 integrates easily with IP PBXs such as Yeastar, FreePBX, and Asterisk, helping businesses reduce communication costs while ensuring reliable connectivity.