mobile internet Huawei E122

Ubuntu do not find the usb modem.
I have done like this:

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Right-click the Network Manager icon in the system notification area and click Edit Connections
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Select the Mobile Broadband tab.
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Click Add.
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This should open the New Mobile Broadband Connection wizard.
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Click Forward and insert your details, including the country where your Mobile Broadband device was issued, the network provider and type of connection (for example, Contract or pre-pay).
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Give your connection a name (it is up to you what name you choose) and click Apply.

But it still dont find the the options for the mobile internet

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: udev 151-12
ProcVersionSignature: Ubuntu 2.6.32-24.41-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
NonfreeKernelModules: wl
Architecture: i386
Date: Tue Aug 24 00:08:35 2010
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
Lsusb:
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 003: ID 12d1:1446 Huawei Technologies Co., Ltd.
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Hewlett-Packard HP G5000 (GH958EA#UUW)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=997c0ab8-72c1-4564-b18b-eddc760a7391 ro quiet splash
ProcEnviron:
 LANG=sv_SE.utf8
 SHELL=/bin/bash
SourcePackage: udev
dmi.bios.date: 03/09/2007
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.15
dmi.board.name: 30C6
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 78.10
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.15:bd03/09/2007:svnHewlett-Packard:pnHPG5000(GH958EA#UUW):pvrF.15:rvnHewlett-Packard:rn30C6:rvr78.10:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP G5000 (GH958EA#UUW)
dmi.product.version: F.15
dmi.sys.vendor: Hewlett-Packard