FlyerTalk Forums - View Single Post - how come only European & Asian airlines let you talk on your own GSM phone on planes?
Old Feb 10, 2016 | 9:14 am
  #28  
aztimm
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Originally Posted by mia
T-Mobile (USA) customers can use SMS (not voice) on domestic USA flights equipped with GoGo Internet:

http://www.flyertalk.com/forum/trave...oice-phew.html
As far as I'm aware, any iPhone can use iMessage so long as there's an Internet connection. I know I've done it several times while on flights.
By the same token, someone could use WhatsApp or similar to essentially text through the Internet.
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