[rusk]

Even then, this isn't new. The SIM toolkit has had this capability since the early noughties at least ... credit to Apple for actually getting the operators on board though!

Just to be clear, this isn't so much to do with any intelligence "in the SIM" - it's more to do with the operators allowing a SIM like this to be used.

I wonder what the kickback is for them in this instance ... telcos typically guard their subscribers jealously. Here you're opening up to allowing your subscribers use your competitors networks. Are they getting higher tariffs or is there some kind of a special service charge for this?