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From: Daniel Matthes <matthes@ftz.htwk-leipzig.de>
To: "'linux-bluetooth@vger.kernel.org'" <linux-bluetooth@vger.kernel.org>
Date: Tue, 21 Oct 2008 15:15:41 +0200
Subject: Establish a SPP Connection between two linux computers
Message-ID: <09E68493E3CD0D47BF12172B07F527382CC88B2B9C@mail1.ftz.htwk-leipzig.de>
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I want to connect two debian (lenny) systems with two Anycom USB-200 USB Dongles, so I've downloaded the bluez-1.41 driver.

I want to create a serial connection (by using SPP). 

At the beginning, I've tested the driver by connecting a linux operating system with a windows operating system.

I run? sdptool browse and I've found:

Service Name: Serieller Bluetooth-Anschluss
.
Protocol Descriptor List:
??????????? "L2CAP" ?(0x0100)
??????????? "RFCOMM" ?(0x0003)
??????????????????????? Channel: 1
..

After this I run rfcomm bind 0 <bdaddr> 1 and then I could establish with minicom ?a connection to the windows system and send data.

In the second turn. I install bluez on the second linux computer. After running sdptool browse, there are no entries for serial support.
I've also created an entry with sdptool add -channel 1 SP. Afterwards I could browse the serial port entry with the other computer,
but there was also no way to connect the computers.

So here my question: ?How can I connect two linux systems with bluetooth by using the serial port profile.