程控交换机电话自动计费软件，开发环境PB，无密码-program - controlled telephone switches automatically billing software development environment PB, without passwords

一个由VC编写的，基于sql server数据库的宾馆程控电话计费系统的源程序-An hotel program controlled telephone billing system ,writen by C++

本系统开发的主要目的是用户通过拨打本系统的接入号，可以在系统中与全国范围的用户进行语音聊天、使用计费电话卡、语音聊天回拨功能。- The main purpose of this system is that the user develop the system by dialing an access number, you can in the system and the user nationwide voice chat, using a billing telephone ca