How to Make Phone Calls Over the Internet. Using the Internet as an alternative to traditional telephone conversations can be less expensive, but slightly more complicated. Be sure to weigh the advantages and disadvantages before you invest too much time and money in Internet telephony.
Make sure you can connect to the Internet with your Broadband Internet Connection.
Make sure your computer is equipped with a sound card of at least 16 bits. The sound card should also allow recording.
Purchase compatible speakers and a microphone if you don't already have these components.
Buy or download Internet telephony software and install it on your computer. The software you choose must be the same as or compatible with the software of the people you wish to call.
Make arrangements with the person you wish to call establishing that you will be online at a specific time.
Follow the instructions of your specific telephony software for making a call. This usually involves accessing a server and selecting a name from a list of users who are currently online.
Things You'll Need
16-bit Full-duplex Sound Cards
Internet Telephony Programs
In general, online telephone calls can only be made between two people who have computers, Internet access and compatible software, although some applications (such as Dialpad) allow you to call regular telephones. For optimal clarity, use a full-duplex sound card. Instant-messaging software will give you instant messages, but without the voice effects.