Here are some tips that you can use so that you can prevent this kind of scam from happening to you :
- Always change the default password of your voice mail.
- Change your voice mail password once in a while.
- Consider blocking international calls.
- You should consider disabling voice mail features that are not used.
- Talk to your voice mail provider for additional precautions to ensure the security of their voice mail system.
Click here on how to file complaint.