RTP发送端和接收端程序，对话框式程序。发送端发送一个从Q到Z的字符串流，接收程序把接收道德数据进行解包显示到屏幕上-RTP sender and the receiver-side program, dialog-style program. Sender sends a string from Q to Z streams, the receiving program to unpack the data receiving moral displayed on the screen