0 Here is the trick to call to your friend with his own number.As a free service it have some restrictions i.e 1) Time limit only 30 second. 2) Only 3 calls.=>Note:-only for pc users. i personally tested it on my pc.it worked for me. So, lets start. 1) Go to http:// covertcalling.co m 2) Then on the page, you'll see 3 boxes where you have to fill the info..!! 3) There is captcha, too, you have enter then press reset.Thats it.Please Try and comment whether working for u or not...!!