Calling Cards

[Przemolog]

Originally Posted by snaimon

2. GIVEN THE FACT THAT PINLESS DIALING is possible, WHY won't they allow it with ANY #, including a foreign cell phone?

I'm still not quite sure how pinless dialing (i.e. recognizing the card withou the PIN) is performed technically - by using Caller ID?
If so, perhaps the operators are afraid of reliability of foreign identification?