电话拨号程序,很不错的VB源码，适合VB爱好者学习研究。-Phone Dialer, very good VB source code for VB enthusiasts to learn.

USB录音盒开发程序，能电话录音，软件拨号，显示呼出和呼入电话号码。-USB recording box development process, to telephone recording, software, dial-up, show outgoing and incoming phone number.

USB电话录音开发程序，能检测电话状态和拨号，电话录音等功能。-USB telephone recording development program that can detect phone status and dialing, call recording and other functions.