Symbol: USB_SUBCLS_CDCC_ISDN
usr/src/uts/common/io/usb/usba/usba.c
1506
{ USB_CLASS_COMM, USB_SUBCLS_CDCC_ISDN, DONTCARE, "isdn" },
usr/src/uts/common/io/usb/usba/usba.c
1559
{ USB_CLASS_COMM, USB_SUBCLS_CDCC_ISDN, DONTCARE, "isdn" },