I collected some additional information about this device. The windows-view: http://www.cis.uni-muenchen.de/~thomas/pantech-p4200-usb.png and the usbsnoop-logfile: http://www.cis.uni-muenchen.de/~thomas/pantech-p4200-usbsnoop.log.bz2 Has anybody suggestions, what could I do next? Regards, Thomas -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html