【摘要】 介绍了GSM短消息的AT指令格式和基于PDU模式下的编码解码方法。对AT指令控制GSM无线模块的核心技术用VB代码加以了实现。这种技术对于正在建立短消息服务系统的部门将提供有价值的技术参考。更多还原

【Abstract】 AT Command Format and the coding and decoding methods of PDU module based on GSM Short Message Service is introduced in this paper. The cored technology of that AT commands control GSM SMS wireless module is designed in VB program. This technology will help those departments who look for- ward to set up SMS service systems greatly.更多还原