Re: [Bluez-users] btsco + Plantronics headset + Trust bt dongle - stops after 1 sec

[Brad Midgley <bmidgley@xmission.com>]

Francesco

I haven't seen anyone else reporting this same problem. I agree the 
adapter diagnostics look fishy. I think it would likely help the SCO 
connection to have a different/newer adapter.

Brad

> Hi everybody and thanks for the help.
> I'm running ubuntu warty (kernel 2.6.8.1) compiled for K7, using
> bluez-utils 2.7.
> I've got a Plantronics M3000 headset and a Trust BT120 bluetooth USB
> dongle and i can't for my life get them to work together.
> I compiled btsco from CVS, kernel module included, the dongle's drivers
> get loaded (it works, at least partially, because i used it with my old
> nokia to browse the web), the snd-bt-sco module too, without warnings or
> errors. 
> Launching btsco, it seems to work, the RFCOMM connection works, clicks
> on the headset buttons are reported and acted upon, but any application
> trying to record from the headset gets only 1 second of (bad) audio and
> then stops, while playback never works, just gives background noise (but
> the headset actually becomes 'active' when an app tries to play
> something)
> Hcidump shows SCO packets from handset with voice in it (packets payload
> varies with audio in input in the microphone)
> I also failed when trying the same setup with chan_bluetooth in asterisk
> in more or less in the same way, so i suppose it's a matter of
> compatibility ?


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