说明：  手机短信事实上具备很多您没有注意的功能，比如可以发送不是文字的信息（图铃）、可以发送FLASH短信等，这些都与下发短信的编码方式有关！
(SMS in fact you do not have a lot of attention to the function, for example, could not send text messages (SMS and EMS users), Flash can send text messages, these are messages issued on the coding!)