tc35手机模块收发短息程序，用任意手机发信息给该模块没该模块按照定义自动回复-tc35 phone modules send and receive text information program, with any cell phone send a message to the module, by definition, do not automatically restore the module

SMS中用到的字符8位转7位，7位还原8位的代码。-SMS of the characters used in 7 to 8, 7 to restore the 8-bit code.