Re: [Bluez-users] Hexadecimals (What are they really?)

[Marcel Holtmann <marcel@holtmann.org>]

Hi David,

> Over at Jellingspot (www.jellingspot.com), we have a client/server
> based location marketing server ... we'd just added (not yet released)
> "bluecasting" abilities to this server .... in short ... the server
> scans the area, and should send content to phones.  We have
> implemented hexadecimal discovery into the server, which basically
> finds the hexadecimal number of the BT device in question, and would
> send content to that phone garnered to that phone type ...
> 
> My understanding was that each hexadecimal was unique for each phone
> type ... however, it appears that it's unique for each phone...
> 
> Can somebody tell me, precisely, if the hexadecimal is relates to
> specific phone type, phone chip, phone region, phone brand, or ????  I
> was under the impression I'd be able to at least tell if the phone
> would be a Nokia 7650 or 6600 .... is this type of bluepriting
> possible, or is this beyond what BT allows (or what has been
> implemented by device makers?)

I actually have no clue what you are talking about. I assume you are
talking about the BD_ADDR of remote devices and in this case, you can't
tell the brand or model from that 6 byte value. You can make some wild
guesses, but that is basically it.

Regards

Marcel



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