asterisk-mp3 1:20.4.0~dfsg+~cs6.13.40431414-1build1 (amd64 binary) in ubuntu mantic

 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.