网络电话，一个简单的拨号程序 网络电话，一个简单的拨号程序-telephone network, a simple dial-up phone network procedures , a simple dial-up procedures

用vb编的一个拨号电话软件程序，希望对visual basic编程感兴趣和希望了解拨号电话软件程序原理的人有所帮助-Vb by telephone for a dial-up software programs, hoping to interest in visual basic programming and would like to know the principle of a dial-up phone software programs help people! !