by Shivachalappa Gotur
Detecting USB Modem Device using C#.NET
by Minh Danh Nguyen (ToughDev)
Interesting findings about GSM SIEMENS TC35
by ShadowedR
A simple example of a C# Application interfacing with the Null Modem Emulator (com0com) driver to allow run time creation and configuration of Virtual Serial Ports
by amatecki
How to use the SmsToolset library to send SMS over GSM network by using PDU format
