*.wav file with the message as an e-mail attachment

Starting of the voicemail player (if so configured) (Swyx Voicemail Player)

Direct starting of a callback from the e-mail

Direct sending of an e-mail to the caller (it must be possible to resolve the user name for this.)

Link to listen directly to the voicemail by remote inquiry (if you are working per CTI, for example, and your computer does not offer sound output).