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Internet Tethering over Bluetooth Setup on iPhone 3G and Windows Vista/XP Computers


For this article, I was testing Internet Tethering using an iPhone 3G 16GB with iPhone OS 3.0.1. At the time of this writing iPhone OS 3.1.2 has just been released, and Internet Tethering over Bluetooth works the same way on this firmware version.

I tethered three computers, one desktop PC and two notebooks. Here are the specifications of the three PCs:
- The desktop with Intel Core 2 Duo CPU, 2GB of RAM, Windows Vista Ultimate Edition Service Pack 2 (SP2), USB Bluetooth dongle version 2.1+EDR, Microsoft Bluetooth stack.
- Sony VAIO VGN-Z47GD laptop, Intel Core 2 Duo CPU, 6 GB of RAM, Windows Vista Business 64-bit Edition Service Pack 2 (SP2), built-in Bluetooth radio, Microsoft plus Widcomm Bluetooth stack.
- Toshiba PORTEGE M500 laptop, Intel Core 2 CPU, 512 MB of RAM, Windows XP Professional Service Pack 3 (SP3), built-in Bluetooth radio, Microsoft stack superseding Toshiba Bluetooth stack.

Should your PC run Windows 7 OS of any version, the step-by-step instructions are almost similar. You'll find only minor differences in some dialog boxes or windows.

The important points for creating this ad hoc network are
- the Bluetooth radio on each PC must support PANU (PAN User) service/profile, and
- the built-in Microsoft generic Bluetooth stack on each PC is active. However, you can use other Bluetooth stack provided it supports PANU profile.

The following paragraphs are the step-by-step descriptions of how I created this PAN with iPhone 3G as a PAN-NAP/PAN server to use it for Internet Tethering and file/folder/printer sharing.

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