Hi, I installed usbmodeswitch by following example of one blog, but wvdial doesn't detect any modems. I am attaching the output of dmesg|tail -20, command. I don't know what does it mean. Is there anything that can be done? nitin@nitin:~$ dmesg|tail -20 [ 189.937401] usb 3-2: device not accepting address 13, error -71 [ 190.049094] usb 3-2: new full speed USB device using uhci_hcd and address 14 [ 190.463953] usb 3-2: device not accepting address 14, error -71 [ 195.390520] usb 3-2: new full speed USB device using uhci_hcd and address 15 [ 195.570019] usb 3-2: device descriptor read/64, error -71 [ 195.849263] usb 3-2: device descriptor read/64, error -71 [ 196.064669] usb 3-2: new full speed USB device using uhci_hcd and address 16 [ 196.188336] usb 3-2: device descriptor read/64, error -71 [ 196.419701] usb 3-2: device descriptor read/64, error -71 [ 196.635108] usb 3-2: new full speed USB device using uhci_hcd and address 17 [ 197.053959] usb 3-2: device not accepting address 17, error -71 [ 197.165660] usb 3-2: new full speed USB device using uhci_hcd and address 18 [ 197.580524] usb 3-2: device not accepting address 18, error -71 [ 206.915059] usb 3-2: new full speed USB device using uhci_hcd and address 19 [ 207.077743] usb 3-2: configuration #1 chosen from 1 choice [ 207.080702] usbserial_generic 3-2:1.0: generic converter detected [ 207.081016] usb 3-2: generic converter now attached to ttyUSB0 [ 207.135892] /build/buildd/linux-source-2.6.22-2.6.22/drivers/usb/serial/usb-s [ 207.136332] usbcore: registered new interface driver pl2303 [ 207.136338] /build/buildd/linux-source-2.6.22-2.6.22/drivers/usb/serial/pl230 nitin@nitin:~$ Waiting for your reply, Nitin