PC Phone is a SIP user agent, a software application that transforms your PC or Laptop into a telephone, giving you the advantage of using the same system (for example your personal computer) to make and receive voice and video calls as you use to check your email and do other computing tasks.
What's new in version 2.1
ReleaseNovember 7, 2008
Date AddedJanuary 3, 2007
Operating SystemsWindows, Windows XP, Windows Vista