発はっ信しん者しゃ表ひょう示じ

Meanings

1

caller ID; originator indication

Technical term used in telecommunications and computing for displaying the caller's number or identity.

show, indicate, point out

ナンバーディスプレイ
Commonly used for the caller ID service itself, while 発信者表示 is a more formal technical term.

Compound of 発信者 (originator) and 表示 (display).