TM-IP5600 3.0 is a 56k Data/Fax soft Modem which is support to ITU T V.92. It adopted the technology of Motorola Modem, and we optimize it based on the condition of China. This Modem can be used in the following Operating System: Windows98, Windows ME, Windows NT, Windows 2000 Windows XP and Linux. And you can operation this Modem by using Hyper Terminal. This Modem can prevent surge-damaged, and it have get the authentication of China Compulsory Certification (3C), FCC and CE, you can use it safety and stably.