一个pc通过串口连接手机发送短信的测试程序，有详细的注释，非常适合新手学习。完整的pdu编解码，短信、长短信、短信回执、wap链接push短信的编程方法等。-Pc through a serial port to connect mobile phones to send text messages of test procedures, detailed notes, very suitable for novices to learn. PDU complete codec, text me