Dinstar DWG2000C-4/8G is a multifunctional VoIP / GSM gateway that operates on IP and GSM networks, which provides flexible network configurations, extensive features and good sound quality.
MobiGater is a device which transfers your Skype calls to your mobile phone without the use of SkypeOut credits. It connects to your cell phone via a SIM card placed inside it, and using a USB cable to your PC and Skype.