A GSM Gateway called the Yeastar TG800 enables two-way communication between VoIP networks and GSM networks. The TG400 is the greatest fallback option for landline disruptions and is perfect for small to medium sizedorganisations with high demands to call mobile networks.
The TG800 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 tointegrate. Yeastar Neogate 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 (EFRsuper sound), simple web based configuration, and it's easy to integrate and easy to install.
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