| There is absolutely no need for you to understand the principal of SMS, the development of SMS hardware equipment, the complicated AT command set and protocols, the encoding rules of PDU and Unicode, the similarity and difference of every model of hardware equipment, your original software structure (whether B/S or C/S), the development environment of your original software (whether Java, PHP, VC or Delphi), and the operating system of your server (whether Windows or Linux). |