许多人都知道,通过国际互联网(Internet)可以发送电子邮件,但能否在网上打电话呢?随着计算机应用技术的不断进步,通过国际互联网打长途、国际电话已走向商业化。这也使按通话时间计价的传统电信收费方式受到挑战。用户入网后,只需定期缴纳一定的网络服务费,就可随意利用网络进行国际长途通话了。这种电话业务现在又称作IP电话。 国际互联网是一种电脑网络系统,主要用来传送数据信息。利用网络通话,其过程是将通话者发出的语 Many people know that e-mail can be sent over the Internet, but can they make calls online? With the advances in computer application technology, long distance calls via the Internet have made international calls commercially available. This also challenges the traditional way of charging for telecommunications on a call-by-call basis. Users access the network, just pay a certain amount of network services on a regular basis, you can freely use the Internet for long distance international calls. This phone service is now also known as an IP phone. Internet is a computer network system, mainly used to send data information. The use of Internet calls, the process is the caller’s language