All questions related to installations, configurations and maintenance of Advanced Host Monitor (including additional tools such as RMA for Windows, RMA Manager, Web Servie, RCC).
From my tests, most of the currently available USB 3G modems are not compatible with your GSM-SMS sending abilities.
Would you please let us all a way to edit the script of the communications between your ocx library and the 3G modem, so we can omit the "Service center" and PIN commands that are mostly not needed, and in most cases cause problems?