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PhoneTray Dialup 2.25

It lets you connect to the Internet via a modem without needing to lose telephone calls.
WidTeX 1.00

It shows a graphic representation of any problem or mathematical problem you indicate.
Mindspring VoIP and IM 3.0.31.8

Internet telephone service and instant messaging, completely free.
FreeCall 4.03.543

It lets you make free calls to an international telephone from your PC for a maximum of one minute.
Who´s Calling 4.7.1

Internet telephone which administers and controls all the calls you receive in your PC.
Camersoft Skype Recorder 3.1.08

Record those videocalls you make with your webcam and Skype.