Finally, I implemented the voice functions of TETRA smart mobileterminal by reference to the idea of the telephone program.
最后，通过借鉴智能手机的电话程序的编程思想，实现了TETRA智能移动终端的各项语音功能。
2
As an intellectual mobileterminal, cell phone has become an indispensable tool in our life. Cell phone games has also been highlighted by more and more users.
Service Levels and running flow of wireless transport layer security are described. WTLS state machine is designed by message event driven, design and implement WTLS of mobileterminal.