asterisk-voicemail-imapstorage 1:13.1.0~dfsg-1.1ubuntu4 (ppc64el binary) in ubuntu xenial

 Asterisk is an Open Source PBX and telephony toolkit.
 .
 This package includes an IMAP-based voicemail storage: storing the
 voicemail in a remote IMAP mail boxes. While more complex to set up,
 it may be useful in some settings.
 .
 For more information about the Asterisk PBX, have a look at the Asterisk
 package.