No, there are special plans for that, but also in a lot of countries (Italy for example) we never pay for receive sms or calls, so they could have a foreign pla

No, there are special plans for that, but also in a lot of countries (Italy for example) we never pay for receive sms or calls, so they could have a foreign plan (very common). Anyway, they may have a server that handle the traffic of the sms, and that is costing money for sure