现在,人们不出家门,使用电话就可以交流和互通信息,比过去方便多了.但美中不足的是,国内长途电话和国际长途电话的收费仍然太贵,使用也就受到一定的限制.因此,网络电话应运而生.你可以买一张网络电话卡,按照提示很容易就能拨通国内或国际长途电话.这样,你的电话费会降低许多倍.如果你仍然嫌费用太高,而你和通话的对方都有电脑,则 Nowadays, people do not leave the house and use the telephone to exchange and exchange information. This is much more convenient than in the past. However, the fly in the ointment is that the charges for domestic long distance and international long distance calls are still too high and the use of it is subject to certain restrictions. Therefore, Internet telephony came into being. You can buy an internet calling card and follow the prompts to easily dial a domestic or international long distance call. In this way, your telephone bill will be reduced many times. If you are still too expensive, you and Everybody on the call has a computer.