Introduction - If you have any usage issues, please Google them yourself
The purpose of this project is to complete a TC35i module based on a short message protocol stack. I give the date of this protocol stack name is FreeSmsStack. It can be seen from their names, this protocol stack is a free open-source protocol stack. Short Message Service (SMS) as a value-added services to GSM, with GSM network coverage continues to expand, has been developing rapidly, it has a transmission speed, low cost, do not take up the advantages of voice communication channels, thus the remote intelligent control system has been widely applied, for example: GSM and GPS-based vehicle tracking and monitoring system for GSM-based remote LED information release system.