... .17,V.29 and V.27ter Group3 fax protocols.· USB Fax Modem up to 56K data download,48K ... data upload, and 14.4K fax communication.· Provide Quick Connect and Modem-on-Hold ... Features.· This Voice USB Fax Modem support Auto-Dial, T one and pulase ... ring detect, Auto format/speed sensing Data Data/Fax/Voice call discrimination, Single configuration profile stored in ...