[. . . ] V. 90 USB Modem Introduction 1 -Introduction The goal of this manual is to provide general information for the developers on evaluation of the ST USB Modem. [. . . ] Because of the simplicity of the modem design, the time to market is quick and less overhead. With this modem, all future driver releases will be a simple software update. This product has been developed in cooperation with Smart Link Ltd, who ported "USB-Modio", its host based modem and system software into ST system and hardware platform. ST USB modem provides an easy installation and a strong performance that reduces the Total Cost of Ownership. [. . . ] 2 -Features Data Protocols · V. 90, V. 34bis, V. 34, V. 32bis, V. 32, V. 22bis, V. 22, Bell 212A, Bell 103 Data Speed · V. 90 up to 56000, V. 34bis up to 33600 Data Compression · V. 42bis, MNP5 Error Correction · V. 42 LAPM, MNP2, 3, 4 Fax Protocols · Group 3 compatible, V. 17, V. 29, V. 27ter, V. 21, Class1 commands Fax Speed · 14400, 12000, 9600, 7200, 4800, 2400, 300 General Standard AT commands V. 8 and Automode V. 80 Virtual UART (460. 8kpbs) 1 DTMF detection and generation Wake-up on ring ADPCM OnNow Power Management Low power consumption Distinctive ring for data/fax/voice World wide country support Answering machine (voice) TAPI 2. 0 compliant 3 -Features Currently not Supported Call waiting Class 2 fax Full duplex speaker phone [. . . ]