Install asterisk-mp3 by entering the following commands in the terminal:
sudo apt update sudo apt install asterisk-mp3
Description:
MP3 playback support for the Asterisk PBX
Asterisk is an Open Source PBX and telephony toolkit. . This package provides support for playing MP3-encoded files in Asterisk. . For more information about the Asterisk PBX, have a look at the Asterisk package.
Homepage: http://www.asterisk.org/
Version: 1:13.18.3~dfsg-1ubuntu4
Section: universe/comm