Download of OpalFone 4.0 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among OpalFone users are 4.0 and 1.6.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free software is a product of OpalFone. OpalFone is suitable for 32-bit versions of Windows XP/Vista/7. OpalFone.exe and _416961D60D9CF6741CA61C.exe are the most common filenames for this program's installer. The program belongs to Communication Tools.
From the developer:
OpalFone is free software for making international calls at very cheap rates. It supports both PC-to-Phone calls as well as Phone-to-Phone Call. You just activate your account and load money and call to any country at very low rates. At Opalfone, you can find a wide array of profitable VoIP solutions, which would offer you the ultimate quality of VoIP calling facility at very economical rates and thus help you to grow saving your investments.
You may want to check out more software, such as Active Worlds, USRobotics Cordless Skype Dual Phone or Cordless DUALphone Suite, which might be related to OpalFone.