Sucessfully paired and used Broadcom BT-Dongle an BTH-100 Headset

Hi,
at least got it.
By applying this patch http://bluetooth-alsa.sourceforge.net/sco-mtu.patch to Kernelsourcews 2.6.12, I was able to change

hciconfig hci0 revision
hci0:   Type: USB
        BD Address: 00:0B:0D:4A:53:0F ACL MTU: 1017:8 SCO MTU: 64:0 Firmware 8285.65 / 33

into:

hciconfig hci0 revision
hci0:   Type: USB
        BD Address: 00:0B:0D:4A:53:0F ACL MTU: 1017:8 SCO MTU: 64:8 Firmware 8285.65 / 33

and also to hear sound by using xmms. (But I had to btsco -v 00:00:00:00:00 about three times, before a connection was established.)

Hope this helps somebody.