Digicom Donatello Memory, ISDN, 64 Kbit/s, Modem, Fax, DAM & Speakerphone, Windows ME/2000/98/95/NT, PPP, MLPPP Digicom Donatello Memory. Modem type: ISDN, Modem speed: 64 Kbit/s. Compatibility: Modem, Fax, DAM & Speakerphone. Compatible operating systems: Windows ME/2000/98/95/NT. Compliance industry standards: PPP, MLPPP