Lucent Voicemail Type 7564 No software or OS with Dilog4 cards. This is a Standalone voice mail computer, includes floppy and CD Rom. These voice mails are typically used with the Lucent PBX phone systems. These were originally were branded as Octel. This includes the Dialogic Dilog4 card needed for the voicemail. The 003-1496-000 Octel Lucent voicemail, 408010718 does not have the software installed.