asterisk-voicemail-odbcstorage 1:16.2.1~dfsg-2ubuntu1 (armhf binary) in ubuntu focal

 Asterisk is an Open Source PBX and telephony toolkit.
 .
 This package includes an database-based voicemail storage: storing the
 voicemail in a database accessed through the ODBC interface. 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.