Simply install the software client and make phone call to your friend without paying airtime fee within Callanywhere network. Need to complete the registration after installation to obtain your unique phone number. Comply with most of USB Phone or USB Adapter device. This makes high quality and cheap IDD call to worldwide.
Full Specifications
What's new in version 4
General
ReleaseNovember 7, 2008
Date AddedJuly 5, 2005
Version4
Operating Systems
Operating SystemsWindows, Windows 2000, Windows XP