UMODEM(4) - Device Drivers Manual
UMODEM(4) - Device Drivers Manual # UMODEM(4) - Device Drivers Manual NAME # umodem - USB modem support SYNOPSIS # umodem* at uhub? ucom* at umodem? DESCRIPTION # The umodem driver provides support for USB modems in the Communication Device Class using the Abstract Control Model. These modems are basically standard serial line modems, but they are accessed via USB instead. They support a regular AT command set. The commands can either be multiplexed with the data stream or handled through separate pipes. ...