Pare NON si possa
cosi' scrivono nei forum Apple:
https://discussions.apple.com/thread/3393489?start=0&tstart=0
e anche in altri forum, dove si vede tutta la concezione USA-centrica dell'iMessage:
How do you send a SMS rather than iMessage - MacRumors Forums
I guess the main question is...why?
It'll show up in the same place on their phone in the same way either way. Right?