Hi Maxis, would like to clarify the below on MaxisONE World roaming plans:

1) Does the plan get activated the moment we connect to the preferred roaming partner or it will only be activated when there's any activity like calls, SMS and data?

2) MaxisONE World will only be activated when on preffered roaming partner? So example in Singapore, if I connect to Starhub or M1 then MaxisONE World will not be activated right?

3) Can you tell me what charges will be incurred if this scenario happens? I arrive in Singapore, roaming automatically connected to Singtel, but no calls, SMS or data took place. Then I manually select to connect to either Starhub or M1. No calls, SMS or data was used.