This is Skyline Technology,China.We are manufacturer of gsm voip gateway for many years. voip gateway products include:Goip ,Roip ,Gsm modem,FXS,Recorder,ip phone. We have voip gateway in Stock now. It can be used for call termination and support sip and H.323. the products is hot-sale in Russia,Indian ,Bangladesh,Ukrain,Columbia,Brazil ,philippines,Libya,Peru and many other countries. And we have strong technical support to help your voip business! We wanna to be your partner. Now we are looking for agents. We will provide best benefit to our agents.