GSM tethering with Windows XP

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Source(s): GSM tethering with Windows XP

Setup Dialup Connection

  1. Install Bluetooth adapter to your computer.
    • Windows XP SP2 will install automatically for many Bluetooth adapters.
    • Otherwise follow the installation instructions for your adapter.
  2. Pair phone to computer.
    • Once paired computer will usually install modem automatically.
  3. Next set up a new connection.
    1. Control Panel
    2. Network Settings
    3. Network connections
    4. Create a New Connection
    5. Click Next
    6. Connect to the Internet
    7. Set up my connection manually
    8. Dial up modem
    9. Select the previously installed Bluetooth modem
    10. Give your connection a name
    11. Phone number is *99#
    12. Leave name and password blank

Enter Init String for your data plan

  1. Go to Control Panel
  2. Phone and Modems
  3. Select Modems Tab
  4. Highlight your Bluetooth modem
  5. Select Properties
  6. Select Advance
  7. Enter at+cgdcont=1,"IP","YOUR APN"

Instead of using a Bluetooth connection to tether your phone to your PC, You can also use a USB Cable to accomplish the same Phone to PC link. You will need to install a "USB Modem" on your PC. The driver for the USB Modem is phone specific and availability is spotty at best. One way to ensure that you get the right USB Modem driver for your phone is to purchase a Phone to PC communications packages like DATAPILOT (which is what I did) at which installs a USB Modem for your model of phone as a part of the installation process. You could also try searching on the Internet to locate a USB Modem Driver on one of the many Driver Archives hosted on the internet. Once you have a USB Modem installed you can follow the instructions outlined in this note starting with Step 3. Another item to note, this page instructs you to leave the Username and Password Blank. I have not tried that out, but I was instructed to fill in my Login Id and Password. My login id is simply by 10 digit mobile phone number without dashes and my password is whatever I set up. This does indeed work. The speed is not great, but acceptable if you need to do a quick email check.

A quick update to the information in the previous paragraph. While I am able to connect after setting up as described above, my connection mysteriously stopped all incoming traffic. So after much research I discovered that T-Mobile now requires the use of a Proxy Server for HTTP traffic. Here are the settings that you need to do with Explorer: INTERNET OPTIONS -> CONNECTIONS. Then highlight the connection you set up for your Cell Phone Modem and then select SETTINGS. For Proxy Server you need to enter and for Port Enter 8080 for HTTP browsing. You should be able to browse after these setting. More information on Proxy Server settings for T-Mobile can be found at the following link:

Source(s): GSM tethering with Windows XP

T-Mobile APNs

Service Access Point Name (APN)
*NEW* T-Mobile Internet (all current plans)
T-Mobile Total Internet
T-Mobile Total Internet with VPN
(Virtual Private Network)
T-Mobile SideKick
(This has been shut down on May 31, 2011.)

All APNs have access to T-Mobile's EDGE Network without any additional configuration or charge from T-Mobile. There are no noteable speed differences between any of the APNs except the latency inherent to any wireless packet-switching network. APN

This is the new standard APN for all current T-Mobile data services, including the Sidekick. Vvvvm

Total Internet

The grandfathered Total Internet service allows direct access to the internet with no need to use a WAP/HTTP proxy. In addition there are no port restrictions however IP addresses are still asigned based on NAT. Example: 10.x.

Total Internet with VPN

Same as Total Internet except that the Dynamic IPs assigned are externally addressable to allow for VPN and other direct access type applications. Example: 208.x.x.x You must specifically request "with VPN" support when adding this service otherwise you will only receive the Internet APN. And its free


Same as T-Mobile Internet with the additional support for the BlackBerry products. The internet portion of this service may be used on non-BlackBerry devices as a substitute for T-Mobile Internet. Many have had success using this data plan instead of the Total Internet package when they do not need or want the HotSpot portion of the service.


Previously known as T-zones. This is T-Mobile's APN for WAP access using the WAP Gateway. This is the APN you must use in order to access any WAP site. IP addresses are assigned based on NAT. Example: 25.x.x.x T-Mobile also employs port restrictions to limit internet access on devices such as smartphones. See also proxy.


Similar to T-Mobile Internet with the additional support for the SideKick device. In the past this service only worked with Sidekicks. Set username and password both to blank, 'dummy', or 'guest'.

Vodafone Portugal (VF-PT) APNs

Vodafone Internet

Tested on Nokia N85, using APN ""

This was also tested on MAC OS X using a Blackberry Bold (9000). → Install the Blackberry Desktop → System Preferences. RIM Composite Device → Advanced → Modem, Vendor: Research In Motion. Model: Blackberry IP Modem (GSM). APN: CID: 1.

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