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Thread: how come only European & Asian airlines let you talk on your own GSM phone on planes?
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Old Feb 11, 2016 | 9:59 am
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Originally Posted by stimpy
Except that Verizon's Message+ when sending over Wifi/IP is not actually SMS. It is IM. SMS is actually a protocol that cannot be run over IP. You can receive an SMS message and re-encapsulate it into an IP-based IM, but at that point it is no longer SMS. Strictly speaking of course.
It can also send as an IP-based IM and be received by the other party as an SMS message.

What matters to me is that it works on my phone, computer or tablet, whether I have a cellular signal or not.
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