WalKTel 4.0 is available as a free download on our software library. The actual developer of the free program is WalKTel. The current installer available for download requires 4 MB of hard disk space. The software belongs to Communication Tools.
From the developer:
With WalKTel you can turn any PC or Laptop into a full-functioning telephone, so you can make and receive calls to any phone around the world.
Enter the number you wish to call and press the green button. For international Calls Dial 00 followed by country code and number, then press green button.
You may want to check out more software, such as MessengerAmp, CallButler or Animated Messenger Emoticons, which might be similar to WalKTel.