通过计算机网来打电话,这个想法许多人都不会感到陌生。iphone、Webphone等软件就允许用户在Internet网上打电话。然而上述软件都没能在国内广泛应用,这有如下原因: 它们要求通话双方都有一台带话筒、耳机、声卡以及网卡/Modem的多媒体计算机,而许多单位(和家庭)用户不具备这些条件; Many people are not unfamiliar with this idea by calling on the computer network. iphone, Webphone and other software allows users to make Internet calls on the Internet. However, none of these softwares are widely used domestically for the following reasons: They require that both parties to the call have a multimedia computer with a microphone, headset, sound card, and network card / modem, and many units (and home) users do not have these conditions;