a very good voice source

本程序需要调制解调器的支持，否则可能失败，需要调制解调器支持语音传输，本程序在子弹头调制解调器下调试通过，通话时通过麦克风和话筒来进行。-This procedure required the support of a modem, or may fail to support the required voice modem, the program under the debug modem bullet passed through a microphone and call for the microphone.

PN code Generator PN code Generator-PN code Generator PN code Generator PN code Generator

用MODEM拔号的C语言源代码范例-dial-up modem using the C language source code examples

Make and answer phone calls Detect tone and pulse digit from the phone line Capture Caller ID Support blind transfer, single-step transfer/conference, consultation transfer/conference, hold, unhold. Control of the local phone handset, microphone and speaker of the modem Send and receive faxes Play and record on the phone line or sound card Play music in background mode Silence detection VU Meter Wave sound editor that allows your end-users to edit their own sound files. Voice recognition and voice synthesis. Full control over the serial port device ZModem file transfer utility File compression and encryption utility

这是一个完整的无线通讯工程，利用无线MODEM与外界交互。-This is a complete wireless communications engineering, the use of wireless MODEM interaction with the outside world.

一个拨号程序，用delphi开发

用MODEM拨号程序-using dial-up procedures MODEM

一个学习AT指令的好东东，而且是中文的，十分详细。-a study AT command of the Eastern good, but Chinese and very detailed.

这是我在学校做通信时留下的资料 希望能给你带来帮助-This is what I do in school to communicate the information to stay I hope you will help

一个USB源程序，很好用，修改一下就可用，