A silent hang-up after answering screams classic robocall tactics, often used by scammers probing for active numbers. These nuisances target international lines like yours in New Zealand to build lists for bigger frauds. Don't call back—ever—or you'll confirm your line's live and invite more spam. Block the number immediately and register with your local do-not-call list to cut down on repeats. If it persists, report to authorities; staying vigilant keeps these pests at bay. Tools like call-screening apps add extra armor against unwanted intrusions.
When I answered a NZ landline with "Hello?", the caller immediately hung up – likely an overseas scam.
