I have many free services of free calls.They are -:

FOR FREE CALLS

1 SGOOPE - http://www.sgoope.com/
A free service which allows free calls to many countries basically for 4 minutes on every call.There is no limits on no. of calls.It also allows calls to India. for further info click http://voipsms.blogspot.com/2007/02/free-voip-first-time-to-india.html

2 GIZMOCALL- http://www.gizmocall.com/
FREE CALLING TO EVERY COUNTRY FOR 10 MINUTES PER DAY.SEE THIS http://voipsms.blogspot.com/2007/02/hi-today-i-am-telling-you-about-nw.html

3 ALL FREE CALLS.NET- http://www.allfreecalls.net/
FREE CALLS FROM AN ACCESS NUMBER FROM USA TO MANY COUNTRIES FOR FREE.FOR FURTHER INFO CLICK http://voipsms.blogspot.com/2007/02/all-free-callsnet.html

4ALL FREE CALLS.IE- http://allfreecalls.ie
AN IRISH VERSION.MAKE FREE CALLS FROM IRELAND.CLICK
http://voipsms.blogspot.com/2007/02/all-free-callsie.html

5 JAJAH- http://jajah.com/
a free calling site which allows you to call from your phone to phone for free.

6 globe7 - http://globe7.com/
wath video and call for free.click http://voipsms.blogspot.com/2007/02/free-calls-globe7.html

7 VOIP CHEAP- http://www.voipcheap.com/
many countries.300 minutes per week.

8 I CALL - http://www.icall.com/
Enjoy free calls