Install asterisk-prompt-it-menardi by entering the following commands in the terminal:
sudo apt update sudo apt install asterisk-prompt-it-menardi
asterisk PBX Italian sound files
voice prompts in Italian that are mainly useful for the Asterisk PBX software. Asterisk includes a set of standard sound files in various formats. This package include those prompts, re-recorded in Italian by Paola Dal Zot, courtesy of Marco Menardi. . The packages asterisk-prompt-it-menardi-* include prompts in various encodings. This package registers these through the alternatives system to provide the default "it" (Italian) and "it_IT" (Italian Italy) sounds, and is the package you should normally install.