evidence: 3. When the victim sees the missed call, they are curious or worried, so they phone it back. This initiates a premium rate call – which the fraudsters profit from. [...] If you receive a missed call from a number you don’t recognize, it is a good idea to Google the number prior to calling it back. [...] If your research reveals that a number you’re receiving missed calls from is linked to a likely scam, you can block that number. This will prevent you accidentally calling it back in the future.