No sound with Canyon CN-BTH1 and CN-BTU1

Hi , i've a small problem with my headset en usb stick from canyon.

I have no sound with my canyon CN-BTH1

I compiled kernel 2.6.11.9 with build in alsa
usb bluetooth : Canyon CN-BTU1
headset : canyon CN-BTH1
distro : SuSE 9.2

when i changes the sound volume the headset response perfecty with noise, but thats it.
I tried with another usb-stick BT180 from trust (also silicone wave chip inside) but there is no difference.
Who can help me ?

Thanx anyway !

Loopback from kmix don't do anything, but i haven't test this before..

_starting :_

modprobe snd_bt_sco (start as root)
kmix (starting as user)

at this time kmix found BT headset

starting btsco (as user)

achilles@office:~> btsco -v 00:0a:94:8e:3B:b8

btsco v0.4b
Device is 1:0
Voice setting: 0x0060
RFCOMM channel 1 connected

when changing volume from mic of speaker in kmix it changed in my headset and i see it changing on screen (btsco).

office:/home/achilles # hciconfig -a
hci0: Type: USB
BD Address: 00:0A:94:11:4F:8E ACL MTU: 120:20 SCO MTU: 64:0 UP RUNNING PSCAN ISCAN
RX bytes:763 acl:23 sco:0 events:45 errors:0
TX bytes:678 acl:16 sco:0 commands:23 errors:0
Features: 0xff 0xff 0x05 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: 'BlueZ office (0)'
Class: 0x100100
Service Classes:
Device Class: Computer, Uncategorized
HCI Ver: 1.1 (0x1) HCI Rev: 0x0 LMP Ver: 1.1 (0x1) LMP Subver: 0x757
Manufacturer: Silicon Wave (11)

office:/home/achilles # hciconfig hci0 revision
hci0: Type: USB

       BD Address: 00:0A:94:11:4F:8E ACL MTU: 120:20  SCO MTU: 64:0
       Unsupported manufacturer

office:/home/achilles # hcitool info 00:0a:94:8e:3b:b8 Requesting information ...
BD Address: 00:0a:94:8e:3b:b8
Device Name: BT Headset-F
LMP Version: 1.1 (0x1) LMP Subversion: 0x434
Manufacturer: Cambridge Silicon Radio (10)
Features: 0xfc 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
<encryption> <slot offset> <timing accuracy> <role switch> <hold mode> <sniff mode> <park state> <RSSI> <channel
quality>
<SCO link> <HV2 packets> <HV3 packets> <u-law log>
<A-law log>
<CVSD> <paging scheme> <power control> <transparent SCO>

office:/home/achilles # hcidump -X
HCIDump - HCI packet analyzer ver 1.11
device: hci0 snap_len: 1028 filter: 0xffffffff

(from another shell : )
achilles@office:~> aplay -B 100000 -D plughw:Headset /opt/kde3/share/sounds/KDE_Startup_new.wav
Playing WAVE '/opt/kde3/share/sounds/KDE_Startup_new.wav' : Signed 16 bit Little Endian, Rate 22050 Hz, Stereo

hangs .... but info from btsco -V :

speaker volume: 0 mic volume: 0
i/o needed: connecting sco...
connected SCO channel
Done setting sco fd
recieved AT+VGS=15
Sending up speaker change 15
recieved AT+VGS=15
Sending up speaker change 15
recieved AT+VGS=15
Sending up speaker change 15
recieved AT+VGS=15
Sending up speaker change 15
recieved AT+VGS=15
Sending up speaker change 15
recieved AT+VGS=15
Sending up speaker change 15
speaker volume: 15 mic volume: 1
driver is not in use
disconnected SCO channel

lot of output to hcidump :

   0000: 84 ff a6 ff dd ff b4 ff 90 ff 99 ff 76 ff 89 ff   ...........v...
   0010: 7b ff 53 ff 64 ff 44 ff 4b ff 6b ff 66 ff 8c ff   {.S.d.D.K.k.f...
   0020: 7c ff 7c ff 94 ff 6d ff 80 ff 81 ff 81 ff a6 ff   |.|...m.........

   0000: 6a ff 4d ff 66 ff 7f ff 9a ff 7e ff 81 ff a7 ff   j.M.f.....~.....
   0010: b7 ff b3 ff 97 ff 92 ff 98 ff aa ff 9c ff 7a ff   .............z.
   0020: 9a ff 9e ff 84 ff 85 ff 84 ff 88 ff 8d ff 8c ff   ...............

   0000: 81 ff 84 ff 8e ff 95 ff 9b ff 8c ff 90 ff 96 ff   ...............
   0010: 98 ff 9b ff 97 ff ad ff ac ff b5 ff d1 ff bc ff   ...............
   0020: af ff 9a ff 70 ff 91 ff 92 ff 6d ff a7 ff 93 ff   ...p.....m.....

   0000: 75 ff 8a ff 49 ff 55 ff 59 ff 44 ff 7a ff 81 ff   u...I.U.Y.D.z...
   0010: 7a ff 76 ff 8d ff ad ff 86 ff 7a ff 86 ff 8b ff   z.v.......z.....
   0020: 9e ff 98 ff a1 ff d0 ff e0 ff be ff 97 ff 93 ff   ...............

   0000: 9c ff 9d ff 82 ff 73 ff a2 ff 8b ff 6d ff 8e ff   .....s.....m...
   0010: 7c ff 7d ff 73 ff 74 ff b0 ff 9b ff 8c ff b5 ff   |.}.s.t.........
   0020: ad ff ae ff ae ff 9a ff af ff c1 ff bf ff b8 ff   ...............

and a lot more (pages)

finaly when i push a button on my headset (with disconnected SCO channel) output from btsco :
recieved AT+CKPD=200

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