The GSM Fixed Wireless Terminal named GOIP,GOIP16 VOIP Gateway is a famous product that
connect the GSM and the VOIP seamlessly. To GOIP what is installed on the Mobile SIM Card, you can register the GSM telephone on
the VOIP softswitch. SIP and H.323 agreement are built in the GOIP and configured flexible. Caller ID can be seen by using SIP.
Flexible routing can meet the need of all kinds of call forwarding; even more special is that GOIP support multi-device group, it
can be easily combined into arbitrary number of channels of Large Gateway Group.