The social networking giant had been testing the feature through its Messenger iOS app since early January.
Accessing the free calling is simple enough. Tapping a friend's name in the chat menu, and then heading to "info" will show off a new option to make a free call.
For the call to work, both users must have the latest version of Facebook.
The calls work via your existing data plan.
Written by: Andre Yoskowitz @ 24 Feb 2013 19:26
