發送短信 : A SESSION LOGIC FOR RELAXED COMMUNICATION PROTOCOLS

 _    _     _____      _____     ___     ______   
| \  / ||  |  ___||   / ___//   / _ \\  |      \\ 
|  \/  ||  | ||__     \___ \\  | / \ || |  --  // 
| .  . ||  | ||__     /    //  | \_/ || |  --  \\ 
|_|\/|_||  |_____||  /____//    \___//  |______// 
`-`  `-`   `-----`  `-----`     `---`   `------`