The USRobotics 56K USB Faxmodem infuses quality and reliability with USB convenience and the enhanced performance of V.92 technology. Quick Connect reduces your connection time to get you online quicker, and V.PCM Upstream provides 50 percent greater upload speeds perfect for sending e-mail messages with large attachments. Internet Call Notification lets you screen incoming voice calls while online, so you won't miss the important ones, and Modem on Hold allows you to answer them without losing your internet connection, no second phone line is needed!