The Radio Interface Layer is the name for an interface that was developed especially for the Pocket PC Phone Edition. It is meant to abstract the interface with a phone/modem device. To achieve this it is closely modelled after the GSM AT command int

This program sends SMS from PC to mobile phone using a GSM device. the program developed in JAVA. it uses the com.jar library

AT89C52实现单片机控制GSM模块的短信收发程序源代码。在keil下调试成功，并且在对短信的接受上做了处理，取出了接受短信的内容。-AT89C52 microcontroller to control the GSM module messaging program source code. Debugging in keil, processing and acceptance of the SMS, remove to accept the message content.

vb6 PC机与GSM短信模块串口通信 源代码-PC and GSM SMS module serial communication