From the developer: "Zyneo SMS Control is an ActiveX control, designed to make it very easy to integrate the sending and receiving of SMS-messages from your ActiveX enabled application using a GSM-modem. You need to have a development environment that supports ActiveX controls, such as Microsoft Visual Basic, Microsoft IIS with ASP, Microsoft Visual C++, Borland Delphi etc. Sample programs for MS Visual Basic, MS Visual C++ and Borland Delphi are included in the package. This version is completely free for non-commercial and evaluation purposes (a commercial version is also avalible for purchase, this version has no functionality limitations)."
Windows 95/98/Me/NT/2000/XP, GSM-modem or mobile phone with modem support and matching serial cable