http://edition.cnn.com/2016/12/05/opinions/trump-taiwan-call-and-tweets-tiezzi/index.html
Though I don't know the genuine intention to call Taiwanese political leader, conversation must cause unrest in East Asia.
On this diary, I've written that Trump would have to correct his policy to realistic one.
But, judging from his attitude like this incident, I doubt that he would correct his policy.