Hi Marvin, Thanks for your quick reply. > Before using wvdial did you run > $ sudo wvdialconf /etc/wvdial.conf > to write the needed /etc/wvdial.conf. Yes, I did that as well but without any luck. The following are the output. ======== golam@gmh-tablet:~$ sudo wvdialconf /etc/wvdial.conf Editing `/etc/wvdial.conf'. Scanning your serial ports for a modem. Modem Port Scan<*1>: Scanning ttySHSF0 first, /dev/modem is a link to it. Modem Port Scan<*1>: SHSF0 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 SHSF1 SHSF2 SHSF3 SHSF4 Modem Port Scan<*1>: SHSF5 SHSF6 SHSF7 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://open.nit.ca/wiki/?WvDial If you still have problems, send mail to <wvdial-list@xxxxxxxxxxxx>. ========== > If there is still a failure do: > $ sudo hsfmodem --diagnose > which will write output to the /tmp/ folder. > Send the output to "Support (Jonathan)" <support@xxxxxxxxxxxx>, who > will respond on Monday, likely. Yes, it is still not working. OK! I have just sent a copy of hsfdiag.txt to support@xxxxxxxxxxxxx Thanks, Golam