kaushal@kaushal-laptop:~$ dpkg -l | grep usb-modeswitch
ii usb-modeswitch
1.1.9-1ubuntu3 mode switching tool for controlling "flip flop" USB devices
ii usb-modeswitch-data 20110805-1 mode switching data for usb-modeswitch
kaushal@kaushal-laptop:~$
[ 779.307667] usb 2-1.3: new high speed USB device number 4 using ehci_hcd
[ 779.404590] scsi7 : usb-storage 2-1.3:1.0
[ 780.402826] scsi 7:0:0:0: CD-ROM L_T_E USB SCSI CD-ROM USB PQ: 0 ANSI: 0
[ 780.435932] sr1: scsi-1 drive
[ 780.436329] sr 7:0:0:0: Attached scsi CD-ROM sr1
[ 780.436639] sr 7:0:0:0: Attached scsi generic sg2 type 5
[ 795.589375] ISO 9660 Extensions: Microsoft Joliet Level 1
[ 795.647975] ISOFS: changing to secondary root
kaushal@kaushal-laptop:~$
kaushal@kaushal-laptop:~$ sudo wvdialconf
Editing `/etc/wvdial.conf'.
Scanning your serial ports for a modem.
Modem Port Scan<*1>: S0 S1 S2 S3 S4 S5 S6 S7
Modem Port Scan<*1>: S8 S9 S10 S11 S12 S13 S14 S15
Modem Port Scan<*1>: S16 S17 S18 S19 S20 S21 S22 S23
Modem Port Scan<*1>: S24 S25 S26 S27 S28 S29 S30 S31
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
kaushal@kaushal-laptop:~$
http://paste.ubuntu.com/1328442/ tells about usb-devices
Regards
Kaushal