YEASTAR TG400 VoIP gateway

YEASTAR TG400 VoIP Gateway - Yeastar TG is a series of GSM / 3G / 4G VoIP gateways that connect a GSM, 3G WCDMA or 4G LTE network directly to a VoIP network. It can support two-way communication: GSM / 3G / 4G / TG to VoIP or VoIP to GSM / 3G / 4G. The TG400 model is one of the best solutions, enabling IP-based telephone systems and softswitches to be connected to the GSM network and featuring 4 SIM card slots.

Main features:
• 4x SIM
• 1 LAN port: 10/100 Mbps Ethernet Interface
• WCDMA frequency: 850/1900MHz, 850/2100MHz, 900/2100MHz
• Protocol: SIP, IAX2
• Transport layer: UDP, TCP, TLS, SRTP
• DTMF mode: RFC2833, SIP Info, In-band
• Noise reduction: ITU-T G.168 LEC
• Network: DHCP, DDNS, Firewall, OpenVPN, Static IP, QoS, Static Route, VLAN
• Network protocols: FTP, TFTP, HTTP, SSH
• NAT Traversal: Static NAT, STUN
• Firmware upgrade by HTTP/TFTP
• Power supply: DC 12V, 1A