Install asterisk-prompt-de by entering the following commands in the terminal:
sudo apt update sudo apt install asterisk-prompt-de
Description:
German voice prompts for the Asterisk PBX
These are German voice prompts for the Asterisk PBX, courtesy of the German city of Pforzheim. . You need this package if you intend to run Asterisk and wish to support German callers.
Version: 2.0-1.1
Section: universe/comm