语音卡IVR示例程序,银行查询的示例程序,可以多线程接听用户查询-voice card IVR examples procedures, examples of bank procedures can be multithreaded user query answered

结合国内某款语音卡进行FSK收发的DEMO，可实现如银行POS机等多种基于FSK的应用系统。,a demo for fsk send and receive. you can use it to implement a pos system.