At around 3:30 in the afternoon on Tuesday, the pagers across Lebanon began beeping, delivering a message from Hezbollah leadership to their operatives through a chorus of chimes, melodies, and buzzes.

Israeli Defense Minister Yoav Gallant did say on Wednesday, however, that his country's war with Iran's so-called proxy groups in the region had entered a "new phase," announcing a shift to the north of Israel after 11 months of intense conflict with Hamas in the Gaza Strip.

In Lebanon, exploding pagers and booby-trapped walkie-talkies – believed to be set off by Israel – have rattled Hezbollah and captured the world’s attention. What do they portend?