Originally Posted by
gfunkdave
I believe Skype can do something like this, after a fashion.
Skype lets me send SMS using wifi/data from wherever in the world I am and it allows me to "show my number" as my normal mobile/cell number. The recipient can then SMS me back which arrives on my phone.
https://support.skype.com/en/faq/FA6...ges-from-skype