My fianceis heading to greece for a few days on business. Can she use the wifi calling to not incur international charges?
At first i was under the impression that yes... but there was talk that no you will still get charged. call tmobile and ask. make sure you request a transcript if they say that you can use wireless and not be charged.
You could also just download an app like tango or something to use for wifi calling to anyone who has the tango app... i know not as easy for everyone but thats for sure free.