I can text literally any phone number, given I have enough money booked on the account. SMS is by nature not centralized, the data is exchanged between mobile providers.
If you were to start your own mobile provider, you could text anyone everywhere given you manage to get peering.
I can text literally any phone number, given I have enough money booked on the account. SMS is by nature not centralized, the data is exchanged between mobile providers.
If you were to start your own mobile provider, you could text anyone everywhere given you manage to get peering.