使用AT命令的短信应用程序错误 [英] sms application error using AT commands

问题描述

你好.首先感谢您分享您的知识.我尝试了使用AT命令发送短信的代码，但是却收到一条错误消息，说它无法处理，因为正在使用端口.我所做的是我将3g调制解调器与sim卡连接起来，并使用端口18进行连接.我更改了代码并将端口初始化为18，现在我得到了错误.我该怎么办.

hello. first of all thanks for sharing your knowledge. i tried out your code for sending an sms using AT commands but i am getting an error that says it cannot process because port is being used. what i did was i connected a 3g modem with a sim card and its using port 18 and connected it. i changed in code and initialised the port to 18 and now i get the error. what should i do.

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