1)   Wireless-DS for gsm modem 2.0
Wireless Dev Studio is an ActiveX DLL that allows you to send and receive SMS (also binary, flash, Unicode (UCS2) and ultiple SMS) through GSM modems. It handles voice and GSM data calls and the phonebooks of both SIM and terminal.
sms, gsm, gprs, activex, gsm modem, industrial automation, remote control, remote monitoring, vehicle tracking, sms activex,