电话用语that is和this is是什么意思怎么用并说明

Question

如题所述

Answer 1

打电话时常用：我是xxx。 This is...代替My name is...。
我是约翰。This is John.
打电话时常用：你是谁？ Who is that?代替Who are you?
你是约翰吗？Is that John?

Answer 2

说话这方用this is，问对方用that is