Phone scammers employing new tactics?

Perth LIVE has been alerted to a possible new tactic by phone scammers.
Wendy contacted Oliver Peterson’s Word on the Street segment to reveal three mobile phones at the same house all started ringing at the same time, suggesting scammers were using a location-based tactic to target people.
Hear details of the call here;
Channel Nine’s technology expert and editor at eftm.com, Trevor Long joined Oly to try to explain what may have happened with Wendy.