caller ID

Noun

countable uncountable

(countable) The telephone number and/or name of the originator of an incoming telephone call, displayed on the screen of the telephone or other electronic device receiving the call.

Japanese Meaning

電話の着信時に、電話機や他の電子端末の画面に表示される、発信者の電話番号および/または氏名。

What is this buttons?

Before answering, she checked the caller ID and saw an unfamiliar number.

Google Translation / DeepL Translation

応答する前に、彼女は発信者番号表示を確認して、見知らぬ番号だと分かった。

Details

Sense（1）

(countable) The telephone number and/or name of the originator of an incoming telephone call, displayed on the screen of the telephone or other electronic device receiving the call.