Leave One If They Don't Answer the Phone

This page is the CodyCross answer for the clue below from Welcome to Japan, Group 579, Puzzle 1 (Pikachu Festival).

Question

Leave One If They Don't Answer the Phone

Answer

VOICEMAIL

Word Meaning:

VOICEMAIL — (uncountable) A computerized interactive system for storing, processing and reproducing verbal messages left through a conventional telephone network.

Definitions from Wiktionary.

Leave one if they don't answer the phone Welcome to Japan Answers