4 GSM Ports, 850/900/1800/1900 MHz, SIP, IAX2 protocol, G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, ADPCM, Speex, 1/2 10/100 Mbps Ethernet Interfaces
The Yeastar TG400 gateway supports mobile to VoIP, and VoIP to mobile connectivity. Bring GSM/CDMA/UMTS connectivity to your VoIP phone system, for example. The gateway allows you to leverage your existing mobile network services such as voice and SMS as a primary or backup communications solution. The standards-based operation makes it highly compatible with third-party IP PBXs and cellular carriers.
Security protocols onboard the Yeastar TG400 gateway include NAT traversal, OpenVPN, firewall, VLAN, and DDNS. Manage the gateway through an intuitive web-based user interface. The gateway provides excellent security and support for your VoIP telephony. The combination of high-tech hardware and software delivers reliable and easy to use performance.