Backchannel

https://www.zerohedge.com/geopolitical/id-see-them-call-me-how-trump-used-encrypted-swiss-fax-machine-d

Even as Trump was rage-tweeting on Jan 4, two days after the killing of Iran's top military leader Qassem Soleimani, that he would hit 52 targets including Iranian heritage sites for potential retaliation if America suffered losses following an Iranian attack, warning that "those targets, and Iran itself, WILL BE HIT VERY FAST AND VERY HARD", the US president was busy, secretly using an encrypted back-channel to bring the world back from the brink of war.