When we talk about making phone calls from our PC through internet, we think of instant messaging services like window-live,Yahoo Messenger and Google Talk which provides PC-to-PC voice call.here i give you 14 sites who provide pc to mobile calls free. but  that they have some limitations like advertisements, registration required, limited number of calls or duration of the call. But, mentioning them here is worth it because these websites can surely come handy by saving lots of .....