Description The Yeastar TG400 is a GSM gateway for connecting GSM networks to VoIP networks for two-way communication. The TG400 is ideal for connecting IP Phones, soft switches, and IP-PBX’s to GSM network, and is the best fallback solution for landline outages. The TG400 Gateway from Yeastar can be a cost-saving addition for a backup option should landlines go out, and is great for phone calls between mobiles or to PTSN. Best of all, it’s easy to install with a web based GUI and simple to integrate. Yeastar Series includes features such as SIP proxy Registrar for IP phones, incoming and outgoing call routing, SMS sending and receiving with a web interface, callback function, Least Cost Routing (LCR), top voice quality (EFR super sound), simple web based configuration, and it’s easy to integrate and easy to install. Yeastar TG400 4 GSM Gateway Features and Functions: Number of GSM channels (Max): 4 (Quad-Band GSM/GPRS850/900/1800/1900MHz; Support external antenna) Protocol: SIP (RFC3261), IAX2 Transport: UDP DTMF: RFC2833, SIP INFO, In-band Codec: G.711 A/u-law, G.726, G.729 A, GSM, Speex. LAN: 1 (10/100MBps) Network: DHCP Server, VLAN, Firewall. Power Supply: AC 100~240V/50~60Hz (DC 12V, 1A) Size: 175x125x31mm Yeastar TG400 is Compatible with: Asterisk Microsoft Lync Trixbox Elastix FreeSWITCH 3CX
