Make free isd calls to other countries and india from thaitel.com an big voip service provider operating from thailand.it offers free isd and std calls for one hour to any country in the world.
To download the software THAITEL VOIP
http://www.thaitel.com/itoll/download.php this software runs on all latest browsers with a average speed internet connection and headphones.they offer one of free calling to any where in the world.
