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From: Brad Midgley <bmidgley@xmission.com>
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Subject: Re: [Bluez-users] pairing plantronics M3000 with my laptop
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Date: Sun, 12 Jun 2005 15:52:19 -0600

Hi

I suspect a volume problem (try using a soft mixer on your computer and 
try volume controls on the headset)

or sco routing; as root run
  hciconfig hci0 revision
and see if sco is routed to hci as it should be

It's possible that Marcel's new pskey program can reroute sco but I 
haven't tried that.

Brad

Laurent Lesage wrote:
> Laurent Lesage a ?crit :
> 
>> Thanks : that works!
>>
>>> Brad Midgley a ?crit : I would try removing /etc/bluetooth/link_key 
>>> so the pairing will be reset.
>>>
>>
> Hi again...
> 
> well, now it seems to work, but I have no sound : it is like the voice 
> packet are not sent to the headset.
> 
> 1) info about the headset
> 
>> laptop:/usr/local/btsco/btsco/kernel# hcitool info 00:03:89:4C:2D:C7
>> Requesting information ...
>>         BD Address:  00:03:89:4C:2D:C7
>>         Device Name: M3000 by Plantronics
>>         LMP Version: 1.1 (0x1) LMP Subversion: 0x349
>>         Manufacturer: Cambridge Silicon Radio (10)
>>         Features: 0xbc 0xe8 0x01 0x00 0x00 0x00 0x00 0x00
>>                 <encryption> <slot offset> <timing accuracy> <role 
>> switch>
>>                 <sniff mode> <SCO link> <HV3 packets> <u-law log> 
>> <A-law log>
>>                 <CVSD>
> 
> 
> 
> 2)BTSCO :
> 
>> laptop:/usr/local/btsco/btsco/kernel# btsco -v
>> btsco v0.4c
>> Device is 1:0
> 
> 
> 3)dongle :
> 
>> laptop:/usr/local/btsco/btsco/kernel# hciconfig -a
>> hci0:   Type: USB
>>         BD Address: 00:E0:98:FD:9A:BD ACL MTU: 192:8 SCO MTU: 64:8
>>         UP RUNNING PSCAN ISCAN
>>         RX bytes:5979 acl:196 sco:0 events:286 errors:0
>>         TX bytes:3492 acl:147 sco:0 commands:80 errors:0
>>         Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
>>         Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
>>         Link policy: RSWITCH HOLD SNIFF PARK
>>         Link mode: SLAVE ACCEPT
>>         Name: 'laptop-0'
>>         Class: 0x3e0100
>>         Service Classes: Networking, Rendering, Capturing
>>         Device Class: Computer, Uncategorized
>>         HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP 
>> Subver: 0x20d
>>         Manufacturer: Cambridge Silicon Radio (10)
>>
> Using Debian Sarge, with a patch for bluez from march 2005. Got btsco 
> form cvs. Compiled without error. Seems running ok. When using XMMS, I 
> see a second audio device "bluetooth headset", I see it with alsa and 
> with OSS output plugin. If I try to play a song with XMMS, I hear a 
> "beep" indicating the activation of the SCO channel. I can see it with 
> "btsco -v", verbose mode. I also can adjust the volume of my headset : 
> it's echoed on the output of btsco. On the other side, if I use the oss 
> mixer, I hear a small beep in the headset and see that the volume is 
> changed accordingly to the mixer on the computer. Same for microphone.
> 
> So (I'm BT newbie...), the "signalling" seems to work perfect *BUT* no 
> voice packet are sent. HCIdump shows the "signalling packets" but after 
> that, no other packet. with XMMS, if I "play", the song remains still 
> (time stops). Just the beep in my ear to say that the channel is opened 
> (I hear the same under WinXP when I accept to "connect" the headset, 
> pushing on the "answer" button of the headset), and another beep when I 
> stop the song and thus, "disconnect" the SCO channel (again, I see all 
> that with btsco -v and hcidump).
> 
> When I will get it , I will resume the whole thing for configs like 
> mine. Help me get the sound work :-(
> 
> thanks
> 
> Laurent
> 
> 
> 
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