Re: [Bluez-users] how to obtain address for rfcomm connection

[Erwin Authried <eauth@softsys.co.at>]

Am Mit, den 19.01.2005 schrieb Marcel Holtmann um 18:05:
> Hi Erwin,
> 
> > I want to establish a rfcomm connection to a mobile phone. I don't know
> > the phone's address or name a-priori. The pairing is initated from the
> > phone before the rfcomm connection is initiated. Is there an easy way to
> > get the phone's address from the preceding link key exchange (from
> > /etc/bluetooth/link_key?). Browsing/scanning for devices might give more
> > than one canditate for communication, but I want to use only the one
> > that has already paired.
> 
> you will find any paired device in the link_key file. However if the
> phone was connected then you can use normal technics to get the device
> address at the that time. To what service did the phone connect?
> 
> Regards
> 
> Marcel

Hi Marcel,
the phone (ericsson t630) didn't connect to a specific service, there's
a menu entry for discovering new devices. After a few seconds, the names
of the discovered devices show up. When one of them is selected, the
phone shows a prompt for entering the pincode, and the link key is saved
on the Linux system. The purpose of the system is a tcp/ip transmission
from the Linux system via GSM/GPRS. On the Linux system, no selection or
entry should be necessary, the ppp over rfcomm connection should come up
automatically or by pressing a button.

Regards,
Erwin




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