Install asterisk-prompt-fr-armelle by entering the following commands in the terminal:
sudo apt update sudo apt install asterisk-prompt-fr-armelle
French voice prompts for Asterisk by Armelle Desjardins
These are French voice prompts for the Asterisk PBX, recorded by Armelle Desjardins for Michel Gutierrez. . You need such prompts if you intend to run Asterisk and wish to support French-speaking callers.