How can I make free phone calls from my computer to someones landline or cell?

My cousin did this awhile ago, I'm not sure what she used. I lost my cell phone today and have no home phone and need to contact some people ASAP. I looked into Skype, but there is a charge.

You can visit this site it has lots of great information on free calls

http://voipsms.blogspot.com

Yes it possible to make absolutely free calls from anywhere in world to anywhere in world. You can make free calls from Pc /Phone to Phone (mobiles) in USA, Canada, India, Pakistan, Dubai or just any other country.

Just read some working ways at -

http://www.freepctophonecalls.blogspot.com

There are many free working ways.

try this

http://www.jkontherun.com/2008/09/icondial-call-f.html

www.jajah.com will let you make free calls