Попытка получить USB-модем для работы с wvdial

$ sudo wvdialconf Editing `/etc/wvdial.conf'. Scanning your serial ports for a modem. ttyS0<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud ttyS0<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 115200 baud ttyS0<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up. Modem Port Scan<*1>: S1 S2 S3 Sorry, no modem was detected! Is it in use by another program? Did you configure it properly with setserial? Please read the FAQ at http://alumnit.ca/wiki/?WvDial 

Общая ссылка не работает, какие-либо идеи?