aditya@aditya-Vostro-5460:~$ dmesg | tail -30
[ 2075.957629] sr0: scsi-1 drive
[ 2075.957831] sr 14:0:0:0: Attached scsi CD-ROM sr0
[ 2075.958484] sr 14:0:0:0: Attached scsi generic sg1 type 5
[ 2087.994869] usb 3-2.3: USB disconnect, device number 23
[ 2090.380926] usb 3-2.3: new full-speed USB device number 24 using xhci_hcd
[ 2090.383822] usb 3-2.3: Device not responding to set address.
[ 2090.586444] usb 3-2.3: Device not responding to set address.
[ 2090.787904] usb 3-2.3: device not accepting address 24, error -71
[ 2090.860022] usb 3-2.3: new full-speed USB device number 25 using xhci_hcd
[ 2090.877477] usb 3-2.3: New USB device found, idVendor=15eb, idProduct=7152
[ 2090.877481] usb 3-2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=11
[ 2090.877484] usb 3-2.3: Product: CBP7.0
[ 2090.877485] usb 3-2.3: Manufacturer: China TeleCom
[ 2090.877487] usb 3-2.3: SerialNumber: \xffffffc3\xffffffbf\xffffffbf\xffffffc3\xffffffbf\xffffffbf\xffffffc3\xffffffbf\xffffffbf\xffffffc3\xffffffbf\xffffffbf\xffffffc3\xffffffbf\xffffffbf\xffffffc3\xffffffbf\xffffffbf\xffffffc3\xffffffbf\xffffffbf\xffffffc3\xffffffbf\xffffffbf\xffffffc3\xffffffbf\xffffffbf\xffffffc3\xffffffbf\xffffffbf
[ 2090.878249] usbserial_generic 3-2.3:1.0: The "generic" usb-serial driver is only for testing and one-off prototypes.
[ 2090.878251] usbserial_generic 3-2.3:1.0: Tell linux-usb@vger.kernel.org to add your device to a proper driver.
[ 2090.878252] usbserial_generic 3-2.3:1.0: generic converter detected
[ 2090.878315] usb 3-2.3: generic converter now attached to ttyUSB0
[ 2090.878575] usbserial_generic 3-2.3:1.1: The "generic" usb-serial driver is only for testing and one-off prototypes.
[ 2090.878576] usbserial_generic 3-2.3:1.1: Tell linux-usb@vger.kernel.org to add your device to a proper driver.
[ 2090.878577] usbserial_generic 3-2.3:1.1: generic converter detected
[ 2090.878610] usb 3-2.3: generic converter now attached to ttyUSB1
[ 2090.878873] usbserial_generic 3-2.3:1.2: The "generic" usb-serial driver is only for testing and one-off prototypes.
[ 2090.878876] usbserial_generic 3-2.3:1.2: Tell linux-usb@vger.kernel.org to add your device to a proper driver.
[ 2090.878878] usbserial_generic 3-2.3:1.2: generic converter detected
[ 2090.878930] usb 3-2.3: generic converter now attached to ttyUSB2
[ 2090.879259] scsi15 : usb-storage 3-2.3:1.3
[ 2091.874743] scsi 15:0:0:0: Direct-Access     EVDO     ReV A            7.00 PQ: 0 ANSI: 0 CCS
[ 2091.875078] sd 15:0:0:0: Attached scsi generic sg1 type 0
[ 2091.878896] sd 15:0:0:0: [sdb] Attached SCSI removable disk
aditya@aditya-Vostro-5460:~$ sudo gnome-p
gnome-power-statistics  gnome-ppp
aditya@aditya-Vostro-5460:~$ sudo gnome-ppp
[sudo] password for aditya:
WVCONF: /root/.wvdial.conf
GNOME PPP: Connecting...
GNOME PPP: STDERR: --> WvDial: Internet dialer version 1.61
GNOME PPP: STDERR: --> Cannot get information for serial port.
GNOME PPP: STDERR: --> Initializing modem.
GNOME PPP: STDERR: --> Sending: ATZ
GNOME PPP: STDERR: OK
GNOME PPP: STDERR: --> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
GNOME PPP: STDERR: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
GNOME PPP: STDERR: OK
GNOME PPP: STDERR: --> Modem initialized.
GNOME PPP: STDERR: --> Please enter password (or empty password to stop):
GNOME PPP: STDERR: --> Sending: ATM1L3DT#777
GNOME PPP: STDERR: --> Waiting for carrier.
GNOME PPP: STDERR: ATM1L3DT#777
GNOME PPP: STDERR: OK
GNOME PPP: STDERR: CONNECT 3100000
GNOME PPP: STDERR: --> Carrier detected.  Waiting for prompt.
GNOME PPP: STDERR: --> Connected, but carrier signal lost!  Retrying...
GNOME PPP: STDERR: --> Sending: ATM1L3DT#777
GNOME PPP: STDERR: --> Waiting for carrier.
GNOME PPP: STDERR: ~[7f]}#@!}!}!} }3}"}&} } } } }#}%B#}%}'}"}(}"W}0~
GNOME PPP: STDERR: ATM1L3DT#777
GNOME PPP: STDERR: OK
GNOME PPP: STDERR: ~[7f]}#@!}!}"} }3}"}&} } } } }#}%B#}%}'}"}(}"o}1~~[7f]}#@!}!}#} }3}"}&} } } } }#}%B#}%}'}"}(}"[08]i~~[7f]}#@!}!}$} }3}"}&} } } } }#}%B#}%}'}"}(}"}?}3~~[7f]}#@!}!}%} }3}"}&} } } } }#}%B#}%}'}"}(}"xk~~[7f]}#@!}!}&} }3}"}&} } } } }#}%B#}%}'}"}(}"@j~~[7f]}#@!}!}'} }3}"}&} } } } }#}%B#}%}'}"}(}"'}2~~[7f]}#@!}!}(} }3}"}&} } } } }#}%B#}%}'}"}(}"[7f]}7~~[7f]}#@!}!})} }3}"}&} } } } }#}%B#}%}'}"}(}"}8o~~[7f]}#@!}!}*} }3}"}&} } } } }#}%B#}%}'}"}(}" n~
GNOME PPP: STDERR: ^DSDORMANT:1
GNOME PPP: STDERR: --> Timed out while dialing.  Trying again.
GNOME PPP: STDERR: --> Maximum Attempts Exceeded..Aborting!!
GNOME PPP: STDERR: --> Disconnecting at Thu Aug  8 15:10:12 2013
aditya@aditya-Vostro-5460:~$