I seem to have falled over a small bug with 2D simcards when put into HTC hero phones.
The automatic setting/speed dial number (200) does not autoassign to the correct key. It is also not show as being known in the sim phone book, However from what I have been told it does work as expected in Nokia phones. The other numbers 201 and 202 are listed as being in the sim phonebook.
Could be my sim or phone or both I guess. So can anyone confirm if the Sim card holds the service numbers 200,201 and 202 etc