我的一个项目用到的,找了好久的电话机标准,DTMF,FSK,和台湾的标准-I used in a project, find the phone for a long time standards, DTMF, FSK, and Taiwan's standards

Here is a project report of DTMF based mobile controlled device switching . The report contains source code.-Here is a project report of DTMF based mobile controlled device switching . The report contains source code.