From: "Khaled" <khaled@ipbill.com>
To: <bluez-users@lists.sourceforge.net>
Subject: RE: [Bluez-users] Bluetooth Voice Setting
Message-ID: <HCEOIFALKKLBLJPENPNOGEGFCAAA.khaled@ipbill.com>
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Date: Wed, 7 Dec 2005 11:14:22 -0000

Hi Marcel,

> > > > Can someone tell me how to set the bluetooth voice settings
> > > when using sco
> > > > and what to set it to?
> > > > My hcidump shows voice setting as (0x03|0x0025) - what does
> > > this mean? Also,
> > > > the hcidump shows that a connection is created for DM* and DH*
> > > packet types:
> > > > for sco, should this not be HV* packet types?
> > >
> > > you don't need to worry about it. The packet types and the
> voice setting
> > > are not related (from the HCI viewpoint). If you wanna know details
> > > about it, look at the HCI part of the Bluetooth
> specification. The value
> > > is a bitmask and it is explained in detail there.
> > >
> >
> > I was curious because I am not getting any sound through my machine
> > (configured as a headset - 0x200404 device class).
> > Also there are no service classes defined when I do hciconfig
> -a (as shown
> > below).
>
> this is now the class of device. You are mixing things up here.

I understand but should there not be some services defined also - I dont
remember any of the example hciconfig -a outputs on the net without service
classes


> > Although a headset icon appears on my 6310i and I get no sound
> at the actual
> > mobile phone (because the headset is connected), I still cannot
> hear or say
> > anything that can be heard from my computer.
> > Therefore, I am trying to study the hcidump output but its
> almost impossible
> > to interpret.
>
> No it is not. Use "hcidump -X -V" as stated almost everywhere in the
> mailing list archives.

Apologies Marcel - I should have told you before: I am using -X -V and as
the list archives suggest, I am in the process of reviewing the BT
specifications to help interpret the output. At first sight it is very
confusing.

Would you not expect to see '> SCO' lines in the hcidump output given that I
am (trying to) use SCO for voice transfer? Like you said in one of the
archives, hcidump shows payload of the SCO packets over hci?

Regards

Khaled


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