MultiTech Systems MultiModemZDX V.92/56K Data/Fax Modem (MT5656ZDX) V.92/56K download speeds and 48K upload speeds when connecting with V.92 servers Quick-connect feature can halve the time required for a dial-up modem to handshake to an ISP or other connection Modem-on-hold allows the modem to work with your phone company's call-waiting service V.44 compression improves data throughput rates U.S. Caller ID reporting and phone-number storage