I'm running Ubuntu Hardy, so I have a nice bleeding edge installation of kernel and bluez tools. I am trying to get a Jabra headset to work but it's just not happening for me. I plug in the dongle and get the little bluetooth applet showing in my taskbar. My headset also beeps when this happens. lsusb reports: Bus 001 Device 009: ID 0a5c:2121 Broadcom Corp. lsbusb -v reports: Bus 001 Device 009: ID 0a5c:2121 Broadcom Corp. Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 224 Wireless bDeviceSubClass 1 Radio Frequency bDeviceProtocol 1 Bluetooth bMaxPacketSize0 64 idVendor 0x0a5c Broadcom Corp. idProduct 0x2121 bcdDevice 1.00 iManufacturer 1 Broadcom Corp iProduct 2 BCM92045B3 ROM iSerial 0 bNumConfigurations 1 ... I believe it's all paired up nicely: $ hcitool con Connections: > ACL 00:1A:45:1B:19:89 handle 11 state 1 lm SLAVE AUTH ENCRYPT SECURE I follow the steps in http://wiki.bluez.org/wiki/HOWTO/AudioDevices but when I try to play something with: $ sox /mnt/mp3/bad_mouth.wav -t wav -c 1 - | aplay -D plug:bluetooth sox wav: Length in output .wav header will be wrong since can't seek to fix it Playing WAVE 'stdin' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono I hear nothing and the dmesg/console log shows: Feb 23 20:05:48 pc kernel: [20205.288394] Bluetooth: L2CAP ver 2.9 Feb 23 20:05:48 pc kernel: [20205.288405] Bluetooth: L2CAP socket layer initialized Feb 23 20:05:48 pc kernel: [20205.297727] Bluetooth: RFCOMM socket layer initialized Feb 23 20:05:48 pc kernel: [20205.297748] Bluetooth: RFCOMM TTY layer initialized Feb 23 20:05:48 pc kernel: [20205.297750] Bluetooth: RFCOMM ver 1.8 Feb 23 20:06:37 pc kernel: [20254.100422] Bluetooth: SCO (Voice Link) ver 0.5 Feb 23 20:06:37 pc kernel: [20254.100431] Bluetooth: SCO socket layer initialized Feb 23 20:06:37 pc kernel: [20254.788127] hci_scodata_packet: hci0 SCO packet for unknown connection handle 1 Feb 23 20:06:37 pc kernel: [20254.798114] hci_scodata_packet: hci0 SCO packet for unknown connection handle 1 Feb 23 20:06:37 pc kernel: [20254.798118] hci_scodata_packet: hci0 SCO packet for unknown connection handle 1 Feb 23 20:06:37 pc kernel: [20254.798121] hci_scodata_packet: hci0 SCO packet for unknown connection handle 1 Feb 23 20:06:37 pc kernel: [20254.808103] hci_scodata_packet: hci0 SCO packet for unknown connection handle 1 Feb 23 20:06:37 pc kernel: [20254.808107] hci_scodata_packet: hci0 SCO packet for unknown connection handle 1 Feb 23 20:06:37 pc kernel: [20254.808110] hci_scodata_packet: hci0 SCO packet for unknown connection handle 1 Feb 23 20:06:37 pc kernel: [20254.818100] hci_scodata_packet: hci0 SCO packet for unknown connection handle 1 [ and on and on and on ] Anyone got any advise? Thanx, b.