exchange,private automatic branch (PABX)

A Special Communication Software Design on Vc++;

基于Vc++的专用通信软件设计

As computer has stepped into daily life in depth,people will not use special net and public net limitedly,but also take full advantage of Internet technology to build their own inner net.

随着计算机网络日益深入人们的日常生活和工作,人们已经不仅仅局限于独立地使用内部专用网络和公共互联网络,而是要利用Internet技术建立自己的内部网。

Depending on telecommunication networks,enterprise special communication network may utilize the state policy to encourage contest in communication field,find new investing form,and gain new development.

企业专用通信依托现有的电信网络 ,充分利用国家鼓励电信竞争的产业政策 ,寻求灵活的融资方式 ,在电信竞争中必将有大的发