Thanks for your reply, but I'm not sure you understand my situation.   As I mentioned:   1. I am overseas (I'm currently in Hong Kong, NOT in Australia). 2. I do NOT have international roaming activated. 3. I do NOT want to activate international roaming, since I will have $500 deducted from my credit card.   I do have the TPG sim with me.   If I follow your instructions, please confirm that:  - voicemail will be deactivated, even though I'm NOT in Australia, AND  - international roaming will NOT be activated.     If either of these cannot be confirmed, can you please tell me how I can deactivate voicemail from overseas.   Regards, Peter   ... View more