Need to call to Argentina? Call for free via Yolla - a great app for making international calls to +54, or any other area codes. Do 3 simple steps, and speak for free with no hidden costs or charges:
At first, refer to Google Play or App Store, and install Yolla to your smartphone. Reading this article on your desktop? Send yourself a link through e-mail to open it later on your smartphone.
Open Yolla, and follow to the Get Free Credits screen. Here you’ll see your personal referral link. Share it to your friends, and get $2 for each friend who installs Yolla through your link, and tops up their balance in Yolla.
After the bonus credits were added to your Yolla balance, you can make a free call to +54, or any other phone area in the World.