2006-11-30 08:52:52

by David Stennett

[permalink] [raw]
Subject: [Bluez-users] Hexadecimals (What are they really?)

Group:

Over at Jellingspot (http://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?)

Thanks!

David Stennett
Jellingspot Team

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2006-12-03 13:46:38

by Marcel Holtmann

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

Hi David,

> Over at Jellingspot (http://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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