Aiwaphone
Aiwaphone make low cost calls to any phone in the world from your computer.
Aiwaphone 's softphone using Internet Telephony technology, allows you to make long-distance and over-seas calls through your PC.
Besides the incomparably low rates it allows (with this system, rates are determined by call destination rather than by their origin), IP Telephony provides clear, superior voice quality and reliable connections (no high traffic or technical problems on the lines). Internet-based Telephony also eliminates the need for dual phone systems.