* Sony Erricson Headset compatibility Problem.
@ 2009-07-07 1:47 Chan-Yeol Park
0 siblings, 0 replies; only message in thread
From: Chan-Yeol Park @ 2009-07-07 1:47 UTC (permalink / raw)
To: 'Marcel Holtmann'; +Cc: linux-bluetooth
Hi, Marcel
BlueZ Wiki site the following is written.
The Sony Ericsson HBH-DS970 and HBH-DS980 are not compliant with the
bluetooth spec. Currently, they do not work well with bluez, but a
workaround is in development.
http://wiki.bluez.org/wiki/MotorolaHBHDS9x0
As far as I know, BlueZ wiki site was used for BlueZ 3.xx
However even if I use with BlueZ 4.44(latest), they do not work well..
If you know the workaround your site mentioned , could you explain that for
me?
What I found is below.
After HFP RFCOMM connection and 10 seconds later,
A2DP session is so slow.. MTU is so small and their respond is too late.
I guess that in case of another phone, it's no problem because their
connections(HFP,A2DP)are made simultaneously.
However in BlueZ case HFP,A2DP connection is separated. As a result it takes
more time to connect stereo Headset A2DP service than another device.
Regards
Chanyeol
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