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From: Marcel Partap <mpartap@gmx.net>
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Subject: [Bluez-devel] Re: possible to use phone itself as headset?
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Date: Thu, 17 Feb 2005 13:28:11 +0100

> From: Lars Grunewaldt <lgw@dark-reality.de>
> Bluetooth-alsa is about supporting the BT headset profile, and the phone
> won't implement it. Phones support the handsfree profile, you can find a
> link to two projects on our homepage that might be usefull, i.e.
> http://www.soft.uni-linz.ac.at/_wiki/tiki-index.php?page=ProjectBluezHandsfree
you're right, thx. And the link has this! It needs CVS sdp and stuff, 
and I have no clue how to use it, but it seems to work.


From: soraberri <421246@posta.unizar.es>
 > As far as I know, we would only need to implement headset profile in
 > the phone side. I think this shouldn't be impossible, after all
 > SymbianOS has public API for RFCOMM, L2CAP and SDP socket connection,
Nope, somebody has done it already. Look at the link Lars gave.
 > and I think it is also possible to create SCO connections in a socket
 > basis... So, what is the problem then? Even in the assumption that we
 > managed to develop the headset profile I think NONE actual mobile
 > phone would let us hook the audio streaming from/to the
 > microphone/speaker to/into a SCO channel. It is physically posible, of
 > course because the AudioGateway profile embedded in the phone just do
 > it, but I'm afraid we have no public interface to get this
 > functionality (I'm not Symbian developer, let's hope somebody tell
 > this is not true!).
IIUC, not true. C link.

 > Maybe phone manufacturers are too dependent on the Telephony Companies
 > requirements to allow this nice functionality which would lead us
 > without doubt to make VoIP calls from the phone if it detects the
 > presence of the appropiate service running in our home's box.
Guess what. Think about it. Doom - for them. Goodbye to insane 
telecommunication costs. KILLER linux feature. Wooooooooow, awesome ;==)
For that, please someone who can actually code talk to them, merge it 
into bluez and so. As said, I have absolutely no clue how to just use 
it, so I won't be even taking the time to compile it. I'll wait till 
it's covered by the bluez-utils ebuild + deps. :==P

Oh yeah, stop.. all the euphory - but still the audio stream needs to be 
grabbed without the /phone/ actually opening a connection. Hope this is 
hackable.
so long guys.


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