how to connect Tata Docomo USB modem in Lucid
mightydreams at gmail.com
Sun Jul 24 09:57:00 UTC 2011
On Sun, Jul 24, 2011 at 12:48 PM, Abhishek Dixit <abhidixit87 at gmail.com> wrote:
> 2011/7/24 সাজেদুর রহিম জোয়ারদার <toshazed at gmail.com>:
>> Dear Abhishek
>> I am 'ring', trying to resolve your Tata Docomo connection problem.
>> May I have some screenshots of your system and the workflow that you are
>> doing. Such as setting up the connection, trying to connect, failed msg etc.
>> Plese upload the pics into your picasa account and share the links here as
>> though mailing list didn't allow attachments.
>> With regards
> Thanks Ring I am describing all the steps starting from scratch
> Step 1)
> I bought a USB modem and lsusb shows
> Bus 002 Device 002: ID 05c6:9000 Qualcomm, Inc.
> Step 2) Following is /var/log/messages when I connect the USB modem (
> usb-modeswitch was not present when I connected initially )
> Step 3) Now I after some Googling came to know i usb-modswitch so
> installed usb-modeswitch (via synaptics)
> and connected the USB modem to laptop the color of light changed green
> Step 4) and /var/log/messages after usb-modswitch was installed
> Step 5) and lsusb showed
> Bus 002 Device 003: ID 05c6:9000 Qualcomm, Inc.
> Step 6) but I noted here even after installing usb-modswitch the config file
> was missing so I created the file as given on following link
> the file /etc/usb_modeswitch.d/05c6\:9000 contains
> DefaultVendor= 0x05c6
> DefaultProduct= 0x9000
> TargetVendor= 0x05c6
> TargetProduct= 0x9000
> (can also see it here http://paste.ubuntu.com/651056/)
> and I verified it ,if it is working by following command
> Step 7)
> root at bond:~# usb_modeswitch -W -c /etc/usb_modeswitch.d/05c6\:9000
> the output of above command is
> and the problem of above output I note is line no 110,111
> USB error: error sending control message: Broken pipe
> Error: could not get description string "product"
> Step 8)
> Now being sure of the fact that modem has been detected on my system
> I did
> modprobe usbserial vendor=0x056c product=9000
> Step 9) As per this blog
> I had created a new connection in
> System-->Preferences-->Mobile Broadband-->Add ----here I had added Tata Docomo
> you can see the corresponding snapshots here
> the connection option in antenna applet for this new mobile broadband
> connection on system tray did appear
> but upon selecting it was not able to connect to internet.
> Without installing usb-modeswitch this option was not coming.So I
> think some thing did proceded but not fully.
> I have also tried using wvdialconf and wvdial and they have also not
> been able to work.
> The wvdialconf output was following
> wvdial.conf by above was ----> http://paste.ubuntu.com/651061/
> and attempt to dial using wvdial resulted in following
> Some thing is still missing because of which it could not connect to Internet.
> What is that,this is not clear to me.
Two error which I can point out is in your wvdial.conf
1) username ,password if blank should be substituted by
2) APN (Access Point Name) is not defined
More information about the ubuntu-users