ooVoip is offering free international calls with a free trial of 120 minutes of free voip credit.  What better than  getting some more free international calling minutes?

How it works
1. You signup and they give you 120 minutes of free international calls.  Keep in mind that this is limited to USA and Canada.

2. Using their voip software you can make video calls, and even record them into an avi files

3. You can make conference with a group of people.

Sign up, visit  ooVoip