为了节省开支,我希望通过Internet给大洋彼岸的客户打电话。我能够理解这种方法,至少在常规意义上,但是如何进行呢? 共有两种类型的IP电话:完全在Internet上的,以及离开Internet进入商业电话系统的。单纯依靠Internet的电话设置费用较低,但是要求双方都启动计算机。无论哪种类型,第一步都是给PC配置一个好的声卡和耳机。我们发现对于电话 In order to save money, I hope to call the customers across the ocean via the Internet. I understand this approach, at least in the conventional sense, but how? There are two types of IP telephony: completely on the Internet, and out of the Internet into the business telephony system. Telephone relying solely on the Internet is less expensive to set up, but requires both parties to start the computer. Regardless of the type, the first step is to configure the PC with a good sound card and headphones. We found that for the phone