Now, you don't have to disconnect from the Internet to make a phone call. You don't have to download and install anything. Just go to Dialpad. No, but some are, so why should you pay if the quality is not that much better. BuddyPhone FREE - Good audio quality.
Phone calls over the Internet at no additional charges.
Really Easy Voice NOT FREE - Very easy. PC to Regular Telephone Access Power Net. FREE - Must be integrated with ICQ . Used to send a telephone voice message to ICQ contacts. Net2Phone NOT FREE - To call any telephone in the world.