Support for HFC-S USB based TAs

modulename: hfcsusb.ko

configname: CONFIG_MISDN_HFCUSB

Linux Kernel Configuration
└─>Device Drivers
└─>ISDN support
└─>Modular ISDN driver
└─>Support for HFC-S USB based TAs
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
Enable support for USB ISDN TAs with Cologne Chip AG's
HFC-S USB ISDN Controller

source code:
drivers/isdn/hardware/mISDN/hfcsusb.c