Re: Intel 7260 bluetooth malfunction when it is connected to EHCI bus

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On 10/31/2013 05:49 PM, Marcel Holtmann wrote:
Hi Hui,

The problem is:
On the machine which has Intel 7260 BT module, i use it to connect a bluetooth headset,
it can successfully scan and connect to the headset, when i play sound to the bt headset,
the problem comes, if the bt module is connected to the XHCI, it can work very well.

u@u-Lenovo-B4400:~$ lsusb -t
1-7:1.0: No such file or directory
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/14p, 480M
    |__ Port 6: Dev 8, If 0, Class=HID, Driver=usbhid, 1.5M
    |__ Port 7: Dev 2, If 0, Class=vend., Driver=, 12M
    |__ Port 11: Dev 3, If 0, Class='bInterfaceClass 0xe0 not yet handled', Driver=btusb, 12M
    |__ Port 11: Dev 3, If 1, Class='bInterfaceClass 0xe0 not yet handled', Driver=btusb, 12M

But if the bt module is connected to the EHCI, it always fails to play sound.

u@u-Lenovo-B4400:~$ lsusb -t
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/14p, 480M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/8p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/6p, 480M
        |__ Port 5: Dev 3, If 0, Class='bInterfaceClass 0xe0 not yet handled', Driver=btusb, 12M
        |__ Port 5: Dev 3, If 1, Class='bInterfaceClass 0xe0 not yet handled', Driver=btusb, 12M
        |__ Port 6: Dev 4, If 0, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 480M
        |__ Port 6: Dev 4, If 1, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 480M
can you paste /sys/kernel/debug/usb/devices here.

If the uvcvideo driver is also using ISOC URBs, we might have just exhausted the bandwidth of the USB bus here or these two devices just do not play nice with each other.

Try to unload the uvcvideo driver and try it again.
Thanks for your reply, follow your instruction, i totally disabled the camera from the BIOS, then the usb tree like this,
u@u-Lenovo-B4400:~$ lsusb -t
1-1.3:1.0: No such file or directory
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/14p, 480M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/8p, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/6p, 480M
        |__ Port 2: Dev 3, If 0, Class=HID, Driver=usbhid, 1.5M
        |__ Port 3: Dev 4, If 0, Class=vend., Driver=, 12M
        |__ Port 5: Dev 5, If 0, Class='bInterfaceClass 0xe0 not yet handled', Driver=btusb, 12M
        |__ Port 5: Dev 5, If 1, Class='bInterfaceClass 0xe0 not yet handled', Driver=btusb, 12M
u@u-Lenovo-B4400:~$ uname -a
Linux u-Lenovo-B4400 3.12.0-031200rc6-generic #201310191635 SMP Sat Oct 19 20:36:43 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

I re-did the test, the result is same as before, after the headset is connected and i play audio, no sound is heard from the headset.
And hciconfig output shows still no SCO packets received by BT driver.
u@u-Lenovo-B4400:~$ hciconfig
hci0:    Type: BR/EDR  Bus: USB
    BD Address: 00:15:00:CC:2D:D2  ACL MTU: 1021:5  SCO MTU: 96:5
    UP RUNNING PSCAN
    RX bytes:5853 acl:61 sco:0 events:298 errors:0
    TX bytes:19212 acl:68 sco:1 commands:179 errors:0
this is strange. The only reason I can think of is that you do not have the firmware installed and or it is not loaded correctly. Does dmesg give any indication that something failed here.
I can confirm the firmware file is the /lib/firmware/intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq, and it is in the filesystem. And from the dmesg, the firmware was successfully loaded.

[    8.600217] Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq
[    8.653635] kvm: disabled by bios
[    8.672981] psmouse serio1: synaptics: Touchpad model: 1, fw: 8.1, id: 0x1e2b1, caps: 0xd00123/0x840300/0x126c00
[    8.707034] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input13
[    8.717725] Registered led device: phy0-led
[    8.722730] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
[    8.752626] Bluetooth: hci0: Intel Bluetooth firmware patch completed and activated

Since this is a 3.12 kernel it should have native support for Intel specific setup routing. Any chance you can run btmon -w <file> before plugging the device into the bus. Maybe something goes wrong with the setup routine on EHCI.
Do you mean the hcidump file i just sent in my previous email.
I do not get this. I specifically asked to run “btmon -w <file>” before plugging in the device. I want to see the early setup process here. What would I do with a hcidump trace.
Hi Marcel,

The attachment is the logfile generated by "btmon -w <file>". And the logfile was generated by below steps,

1) boot up the system into the ubuntu desktop
2) open a terminal and run "sudo btmon -w ~/lenovo-m4400s-btmon.log"
3) open bluetooth applet and click adding a new device, the bluetooth begin to scan devices
4) power up the bt headset
5) laptop bt module find the headset and connect it successfully
6) open the sound applet, choose bt headset as output device, play sound, but no sound can be heard from bt headset
7) Ctrl+C to terminate the "btmon -w <file>"

In case you can't receive the attachment, i decode the logfile and paste the content here.

Thanks,
Hui.

=================================================================================================
Bluetooth monitor ver 5.9
= New Index (BR/EDR,USB,hci0) [hci0] 0.218046
> HCI Event (0x04) plen 10 [hci0] 2.886816
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Class: 0x240404
          Major class: Audio/Video (headset, speaker, stereo, video, vcr)
          Minor class: 0x01
          Rendering (Printing, Speaker)
          Audio (Speaker, Microphone, Headset)
        Link type: ACL (0x01)
< HCI Command (0x01|0x0009) plen 7 [hci0] 2.887014
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Role: Master (0x00)
> HCI Event (0x0f) plen 4 [hci0] 2.887807
      Accept Connection Request (0x01|0x0009) ncmd 1
        Status: Success (0x00)
> HCI Event (0x12) plen 8 [hci0] 3.028749
        Status: Success (0x00)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Role: Master (0x00)
> HCI Event (0x03) plen 11 [hci0] 3.034733
        Status: Success (0x00)
        Handle: 256
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Link type: ACL (0x01)
        Encryption: Disabled (0x00)
< HCI Command (0x01|0x001b) plen 2 [hci0] 3.034808
        Handle: 256
> HCI Event (0x0f) plen 4 [hci0] 3.035730
      Read Remote Supported Features (0x01|0x001b) ncmd 1
        Status: Success (0x00)
> HCI Event (0x1b) plen 3 [hci0] 3.041745
        Handle: 256
        Max slots: 5
> HCI Event (0x0b) plen 11 [hci0] 3.043740
        Status: Success (0x00)
        Handle: 256
        Features: 0xbf 0xfe 0x8f 0xfe 0x9b 0xff 0x79 0x87
          3 slot packets
          5 slot packets
          Encryption
          Slot offset
          Timing accuracy
          Role switch
          Sniff mode
          Power control requests
          Channel quality driven data rate (CQDDR)
          SCO link
          HV2 packets
          HV3 packets
          u-law log synchronous data
          A-law log synchronous data
          CVSD synchronous data
          Paging parameter negotiation
          Power control
          Transparent synchronous data
          Broadcast Encryption
          Enhanced Data Rate ACL 2 Mbps mode
          Enhanced Data Rate ACL 3 Mbps mode
          Enhanced inquiry scan
          Interlaced inquiry scan
          Interlaced page scan
          RSSI with inquiry results
          Extended SCO link (EV3 packets)
          EV4 packets
          EV5 packets
          AFH capable slave
          AFH classification slave
          3-slot Enhanced Data Rate ACL packets
          5-slot Enhanced Data Rate ACL packets
          Sniff subrating
          Pause encryption
          AFH capable master
          AFH classification master
          Enhanced Data Rate eSCO 2 Mbps mode
          Enhanced Data Rate eSCO 3 Mbps mode
          3-slot Enhanced Data Rate eSCO packets
          Extended Inquiry Response
          Secure Simple Pairing
          Encapsulated PDU
          Erroneous Data Reporting
          Non-flushable Packet Boundary Flag
          Link Supervision Timeout Changed Event
          Inquiry TX Power Level
          Enhanced Power Control
          Extended features
< HCI Command (0x01|0x001c) plen 3 [hci0] 3.043755
        Handle: 256
        Page: 1
> ACL Data RX flags 0x02 dlen 12 [hci0] 3.045734
      L2CAP: Connection Request (0x02) ident 2 len 4
        PSM: 1 (0x0001)
        Source CID: 65
> HCI Event (0x0f) plen 4 [hci0] 3.045738
      Read Remote Extended Features (0x01|0x001c) ncmd 1
        Status: Success (0x00)
< ACL Data TX flags 0x00 dlen 16 [hci0] 3.045762
      L2CAP: Connection Response (0x03) ident 2 len 8
        Destination CID: 64
        Source CID: 65
        Result: Connection pending (0x0001)
        Status: No further information available (0x0000)
< ACL Data TX flags 0x00 dlen 10 [hci0] 3.045767
      L2CAP: Information Request (0x0a) ident 1 len 2
        Type: Extended features supported (0x0002)
> HCI Event (0x23) plen 13 [hci0] 3.049734
        Status: Success (0x00)
        Handle: 256
        Page: 1/0
        Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00
          Secure Simple Pairing (Host Support)
< HCI Command (0x01|0x0019) plen 10 [hci0] 3.049745
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Page scan repetition mode: R2 (0x02)
        Page scan mode: Mandatory (0x00)
        Clock offset: 0x0000
> HCI Event (0x0f) plen 4 [hci0] 3.050721
      Remote Name Request (0x01|0x0019) ncmd 1
        Status: Success (0x00)
> HCI Event (0x13) plen 5 [hci0] 3.051735
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 3.056726
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 16 [hci0] 3.056969
      L2CAP: Information Response (0x0b) ident 1 len 8
        Type: Extended features supported (0x0002)
        Result: Success (0x0000)
        Features: 0x00000200
          Unicast Connectionless Data Reception
< ACL Data TX flags 0x00 dlen 10 [hci0] 3.056995
      L2CAP: Command Reject (0x01) ident 1 len 2
        Reason: Command not understood (0x0000)
> HCI Event (0x13) plen 5 [hci0] 3.061726
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x07) plen 255 [hci0] 3.070718
        Status: Success (0x00)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Name: HM1700
< ACL Data TX flags 0x00 dlen 16 [hci0] 7.047684
      L2CAP: Connection Response (0x03) ident 2 len 8
        Destination CID: 64
        Source CID: 65
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX flags 0x00 dlen 12 [hci0] 7.047708
      L2CAP: Configure Request (0x04) ident 2 len 4
        Destination CID: 65
        Flags: 0x0000
> HCI Event (0x13) plen 5 [hci0] 7.051758
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 16 [hci0] 7.052502
      L2CAP: Configure Request (0x04) ident 3 len 8
        Destination CID: 64
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01)
          MTU: 64
< ACL Data TX flags 0x00 dlen 18 [hci0] 7.052550
      L2CAP: Configure Response (0x05) ident 3 len 10
        Source CID: 65
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01)
          MTU: 64
> HCI Event (0x13) plen 5 [hci0] 7.052733
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 14 [hci0] 7.053751
      L2CAP: Configure Response (0x05) ident 2 len 6
        Source CID: 64
        Flags: 0x0000
        Result: Success (0x0000)
> HCI Event (0x13) plen 5 [hci0] 7.056754
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 31 [hci0] 7.057249
      Channel: 64 len 27 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 0 len 22
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              Handsfree Audio Gateway (0x111f)
        Max record count: 48
        Attribute list: [len 14]
          Sequence (6) with 12 bytes [8 extra bits] len 14
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0001
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0004
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0009
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0311
        Continuation state: 0
< ACL Data TX flags 0x00 dlen 68 [hci0] 7.057567
      Channel: 65 len 64 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 0 len 59
        Attribute bytes: 48
        Continuation state: 8
        5b 10 73 52 30 00 00 00 [.sR0...
> ACL Data RX flags 0x02 dlen 39 [hci0] 7.063746
      Channel: 64 len 35 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 1 len 30
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              Handsfree Audio Gateway (0x111f)
        Max record count: 48
        Attribute list: [len 14]
          Sequence (6) with 12 bytes [8 extra bits] len 14
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0001
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0004
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0009
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0311
        Continuation state: 8
        5b 10 73 52 30 00 00 00 [.sR0...
< ACL Data TX flags 0x00 dlen 15 [hci0] 7.063938
      Channel: 65 len 11 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 1 len 6
        Attribute bytes: 3
        Continuation state: 0
        Combined attribute bytes: 51
          Attribute list: [len 47] {position 0}
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Handsfree Audio Gateway (0x111f)
              UUID (3) with 2 bytes [0 extra bits] len 3
                Generic Audio (0x1203)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 3 bytes [8 extra bits] len 5
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
              Sequence (6) with 5 bytes [8 extra bits] len 7
                UUID (3) with 2 bytes [0 extra bits] len 3
                  RFCOMM (0x0003)
                Unsigned Integer (1) with 1 byte [0 extra bits] len 2
                  0x0d
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [8 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  Handsfree (0x111e)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0105
            Attribute: Unknown (0x0311) [len 2]
              0x0000
> HCI Event (0x13) plen 5 [hci0] 7.064747
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 7.067749
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 12 [hci0] 7.068619
      L2CAP: Disconnection Request (0x06) ident 4 len 4
        Destination CID: 64
        Source CID: 65
< ACL Data TX flags 0x00 dlen 12 [hci0] 7.068674
      L2CAP: Disconnection Response (0x07) ident 4 len 4
        Destination CID: 64
        Source CID: 65
> HCI Event (0x13) plen 5 [hci0] 7.072746
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x17) plen 6 [hci0] 7.074742
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
< HCI Command (0x01|0x000c) plen 6 [hci0] 7.074922
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x0e) plen 10 [hci0] 7.075743
      Link Key Request Negative Reply (0x01|0x000c) ncmd 1
        Status: Success (0x00)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x32) plen 9 [hci0] 7.080726
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        IO capability: NoInputNoOutput (0x03)
        OOB data: Authentication data not present (0x00)
        Authentication: General Bonding - MITM required (0x05)
> HCI Event (0x31) plen 6 [hci0] 7.081716
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
< HCI Command (0x01|0x002b) plen 9 [hci0] 7.081876
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        IO capability: DisplayYesNo (0x01)
        OOB data: Authentication data not present (0x00)
        Authentication: General Bonding - MITM required (0x05)
> HCI Event (0x0e) plen 10 [hci0] 7.082712
      IO Capability Request Reply (0x01|0x002b) ncmd 1
        Status: Success (0x00)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x33) plen 10 [hci0] 7.339625
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Passkey: 575136
< HCI Command (0x01|0x002d) plen 6 [hci0] 7.339848
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x0e) plen 10 [hci0] 7.340647
      User Confirmation Request Neg Reply (0x01|0x002d) ncmd 1
        Status: Success (0x00)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x36) plen 7 [hci0] 7.742431
        Status: Authentication Failure (0x05)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x05) plen 4 [hci0] 7.897336
        Status: Success (0x00)
        Handle: 256
        Reason: Remote User Terminated Connection (0x13)
< HCI Command (0x01|0x0001) plen 5 [hci0] 16.279595
        Access code: 0x9e8b33 (General Inquiry)
        Length: 10.24s (0x08)
        Num responses: 0
> HCI Event (0x0f) plen 4 [hci0] 16.281119
      Inquiry (0x01|0x0001) ncmd 2
        Status: Success (0x00)
> HCI Event (0x2f) plen 255 [hci0] 17.025785
        Num responses: 1
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Page scan repetition mode: R1 (0x01)
        Page period mode: P0 (0x00)
        Class: 0x240404
          Major class: Audio/Video (headset, speaker, stereo, video, vcr)
          Minor class: 0x01
          Rendering (Printing, Speaker)
          Audio (Speaker, Microphone, Headset)
        Clock offset: 0x51f1
        RSSI: -44 dBm (0xd4)
        Name (complete): HM1700
        16-bit Service UUIDs (complete): 5 entries
          Headset (0x1108)
          Handsfree (0x111e)
          Audio Sink (0x110b)
          A/V Remote Control (0x110e)
          Serial Port (0x1101)
< HCI Command (0x01|0x0002) plen 0 [hci0] 25.122354
> HCI Event (0x0e) plen 4 [hci0] 25.124712
      Inquiry Cancel (0x01|0x0002) ncmd 2
        Status: Success (0x00)
< HCI Command (0x01|0x0005) plen 13 [hci0] 25.127063
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Packet type: 0xcc18
        Page scan repetition mode: R2 (0x02)
        Page scan mode: Mandatory (0x00)
        Clock offset: 0x0000
        Role switch: Allow slave (0x01)
> HCI Event (0x0f) plen 4 [hci0] 25.127693
      Create Connection (0x01|0x0005) ncmd 1
        Status: Success (0x00)
> HCI Event (0x03) plen 11 [hci0] 25.988303
        Status: Success (0x00)
        Handle: 256
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Link type: ACL (0x01)
        Encryption: Disabled (0x00)
< HCI Command (0x01|0x001b) plen 2 [hci0] 25.988535
        Handle: 256
> HCI Event (0x0f) plen 4 [hci0] 25.990330
      Read Remote Supported Features (0x01|0x001b) ncmd 1
        Status: Success (0x00)
> HCI Event (0x1b) plen 3 [hci0] 25.993260
        Handle: 256
        Max slots: 5
> HCI Event (0x0b) plen 11 [hci0] 25.996270
        Status: Success (0x00)
        Handle: 256
        Features: 0xbf 0xfe 0x8f 0xfe 0x9b 0xff 0x79 0x87
          3 slot packets
          5 slot packets
          Encryption
          Slot offset
          Timing accuracy
          Role switch
          Sniff mode
          Power control requests
          Channel quality driven data rate (CQDDR)
          SCO link
          HV2 packets
          HV3 packets
          u-law log synchronous data
          A-law log synchronous data
          CVSD synchronous data
          Paging parameter negotiation
          Power control
          Transparent synchronous data
          Broadcast Encryption
          Enhanced Data Rate ACL 2 Mbps mode
          Enhanced Data Rate ACL 3 Mbps mode
          Enhanced inquiry scan
          Interlaced inquiry scan
          Interlaced page scan
          RSSI with inquiry results
          Extended SCO link (EV3 packets)
          EV4 packets
          EV5 packets
          AFH capable slave
          AFH classification slave
          3-slot Enhanced Data Rate ACL packets
          5-slot Enhanced Data Rate ACL packets
          Sniff subrating
          Pause encryption
          AFH capable master
          AFH classification master
          Enhanced Data Rate eSCO 2 Mbps mode
          Enhanced Data Rate eSCO 3 Mbps mode
          3-slot Enhanced Data Rate eSCO packets
          Extended Inquiry Response
          Secure Simple Pairing
          Encapsulated PDU
          Erroneous Data Reporting
          Non-flushable Packet Boundary Flag
          Link Supervision Timeout Changed Event
          Inquiry TX Power Level
          Enhanced Power Control
          Extended features
< HCI Command (0x01|0x001c) plen 3 [hci0] 25.996285
        Handle: 256
        Page: 1
> HCI Event (0x0f) plen 4 [hci0] 25.997267
      Read Remote Extended Features (0x01|0x001c) ncmd 1
        Status: Success (0x00)
> HCI Event (0x23) plen 13 [hci0] 26.005271
        Status: Success (0x00)
        Handle: 256
        Page: 1/0
        Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00
          Secure Simple Pairing (Host Support)
< HCI Command (0x01|0x0019) plen 10 [hci0] 26.005292
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Page scan repetition mode: R2 (0x02)
        Page scan mode: Mandatory (0x00)
        Clock offset: 0x0000
> HCI Event (0x0f) plen 4 [hci0] 26.006256
      Remote Name Request (0x01|0x0019) ncmd 1
        Status: Success (0x00)
> HCI Event (0x07) plen 255 [hci0] 26.025242
        Status: Success (0x00)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Name: HM1700
< HCI Command (0x01|0x0011) plen 2 [hci0] 26.025266
        Handle: 256
> HCI Event (0x0f) plen 4 [hci0] 26.026243
      Authentication Requested (0x01|0x0011) ncmd 1
        Status: Success (0x00)
> HCI Event (0x17) plen 6 [hci0] 26.027313
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
< HCI Command (0x01|0x000c) plen 6 [hci0] 26.033110
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x0e) plen 10 [hci0] 26.034256
      Link Key Request Negative Reply (0x01|0x000c) ncmd 1
        Status: Success (0x00)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x31) plen 6 [hci0] 26.035237
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
< HCI Command (0x01|0x002b) plen 9 [hci0] 26.035287
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        IO capability: DisplayYesNo (0x01)
        OOB data: Authentication data not present (0x00)
        Authentication: Dedicated Bonding - MITM required (0x03)
> HCI Event (0x0e) plen 10 [hci0] 26.036270
      IO Capability Request Reply (0x01|0x002b) ncmd 1
        Status: Success (0x00)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x32) plen 9 [hci0] 26.040267
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        IO capability: NoInputNoOutput (0x03)
        OOB data: Authentication data not present (0x00)
        Authentication: Dedicated Bonding - MITM not required (0x02)
> HCI Event (0x33) plen 10 [hci0] 26.280169
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Passkey: 270951
< HCI Command (0x01|0x002c) plen 6 [hci0] 26.285610
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x0e) plen 10 [hci0] 26.287160
      User Confirmation Request Reply (0x01|0x002c) ncmd 1
        Status: Success (0x00)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x36) plen 7 [hci0] 26.766879
        Status: Success (0x00)
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
> HCI Event (0x18) plen 23 [hci0] 26.782938
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Link key: de2eb68b175d2935833022b04c121ce2
        Key type: Unauthenticated Combination key (0x04)
> HCI Event (0x06) plen 3 [hci0] 26.783870
        Status: Success (0x00)
        Handle: 256
< HCI Command (0x01|0x0013) plen 3 [hci0] 26.783942
        Handle: 256
        Encryption: Enabled (0x01)
> HCI Event (0x0f) plen 4 [hci0] 26.784940
      Set Connection Encryption (0x01|0x0013) ncmd 1
        Status: Success (0x00)
> HCI Event (0x08) plen 4 [hci0] 26.826850
        Status: Success (0x00)
        Handle: 256
        Encryption: Enabled with E0 (0x01)
< ACL Data TX flags 0x00 dlen 10 [hci0] 26.826893
      L2CAP: Information Request (0x0a) ident 1 len 2
        Type: Extended features supported (0x0002)
> HCI Event (0x13) plen 5 [hci0] 26.830847
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 16 [hci0] 26.831344
      L2CAP: Information Response (0x0b) ident 1 len 8
        Type: Extended features supported (0x0002)
        Result: Success (0x0000)
        Features: 0x00000200
          Unicast Connectionless Data Reception
< ACL Data TX flags 0x00 dlen 10 [hci0] 26.831381
      L2CAP: Command Reject (0x01) ident 1 len 2
        Reason: Command not understood (0x0000)
> HCI Event (0x13) plen 5 [hci0] 26.835845
        Num handles: 1
        Handle: 256
        Count: 1
< ACL Data TX flags 0x00 dlen 12 [hci0] 30.831706
      L2CAP: Connection Request (0x02) ident 2 len 4
        PSM: 1 (0x0001)
        Source CID: 64
> HCI Event (0x13) plen 5 [hci0] 30.835877
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 16 [hci0] 30.836841
      L2CAP: Connection Response (0x03) ident 2 len 8
        Destination CID: 67
        Source CID: 64
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX flags 0x00 dlen 12 [hci0] 30.836891
      L2CAP: Configure Request (0x04) ident 3 len 4
        Destination CID: 67
        Flags: 0x0000
> ACL Data RX flags 0x02 dlen 16 [hci0] 30.838159
      L2CAP: Configure Request (0x04) ident 2 len 8
        Destination CID: 64
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01)
          MTU: 64
< ACL Data TX flags 0x00 dlen 18 [hci0] 30.838224
      L2CAP: Configure Response (0x05) ident 2 len 10
        Source CID: 67
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01)
          MTU: 64
> HCI Event (0x13) plen 5 [hci0] 30.840918
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 14 [hci0] 30.841845
      L2CAP: Configure Response (0x05) ident 3 len 6
        Source CID: 64
        Flags: 0x0000
        Result: Success (0x0000)
< ACL Data TX flags 0x00 dlen 24 [hci0] 30.842014
      Channel: 67 len 20 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 0 len 15
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              L2CAP (0x0100)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 0
> HCI Event (0x13) plen 5 [hci0] 30.842845
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 30.845847
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 68 [hci0] 30.846904
      Channel: 64 len 64 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 0 len 59
        Attribute bytes: 54
        Continuation state: 2
        00 36 .6
< ACL Data TX flags 0x00 dlen 26 [hci0] 30.847135
      Channel: 67 len 22 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 1 len 17
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              L2CAP (0x0100)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 2
        00 36 .6
> HCI Event (0x13) plen 5 [hci0] 30.850887
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 68 [hci0] 30.851837
      Channel: 64 len 64 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 1 len 59
        Attribute bytes: 54
        Continuation state: 2
        00 6c .l
< ACL Data TX flags 0x00 dlen 26 [hci0] 30.851969
      Channel: 67 len 22 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 2 len 17
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              L2CAP (0x0100)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 2
        00 6c .l
> HCI Event (0x13) plen 5 [hci0] 30.855867
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 68 [hci0] 30.856899
      Channel: 64 len 64 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 2 len 59
        Attribute bytes: 54
        Continuation state: 2
        00 a2 ..
< ACL Data TX flags 0x00 dlen 26 [hci0] 30.857114
      Channel: 67 len 22 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 3 len 17
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              L2CAP (0x0100)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 2
        00 a2 ..
> HCI Event (0x13) plen 5 [hci0] 30.860833
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 68 [hci0] 30.861829
      Channel: 64 len 64 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 3 len 59
        Attribute bytes: 54
        Continuation state: 2
        00 d8 ..
< ACL Data TX flags 0x00 dlen 26 [hci0] 30.862014
      Channel: 67 len 22 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 4 len 17
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              L2CAP (0x0100)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 2
        00 d8 ..
> HCI Event (0x13) plen 5 [hci0] 30.865838
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 62 [hci0] 30.866859
      Channel: 64 len 58 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 4 len 53
        Attribute bytes: 50
        Continuation state: 0
        Combined attribute bytes: 266
          Attribute list: [len 82] {position 0}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010001
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Headset (0x1108)
              UUID (3) with 2 bytes [0 extra bits] len 3
                Headset HS (0x1131)
              UUID (3) with 2 bytes [0 extra bits] len 3
                Generic Audio (0x1203)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 3 bytes [8 extra bits] len 5
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
              Sequence (6) with 5 bytes [8 extra bits] len 7
                UUID (3) with 2 bytes [0 extra bits] len 3
                  RFCOMM (0x0003)
                Unsigned Integer (1) with 1 byte [0 extra bits] len 2
                  0x01
            Attribute: Browse Group List (0x0005) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Public Browse Root (0x1002)
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [8 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  Headset (0x1108)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0102
            Attribute: Unknown (0x0100) [len 2]
              HSP service [len 12]
            Attribute: Unknown (0x0302) [len 2]
              true
          Attribute list: [len 80] {position 1}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010002
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Handsfree (0x111e)
              UUID (3) with 2 bytes [0 extra bits] len 3
                Generic Audio (0x1203)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 3 bytes [8 extra bits] len 5
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
              Sequence (6) with 5 bytes [8 extra bits] len 7
                UUID (3) with 2 bytes [0 extra bits] len 3
                  RFCOMM (0x0003)
                Unsigned Integer (1) with 1 byte [0 extra bits] len 2
                  0x02
            Attribute: Browse Group List (0x0005) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Public Browse Root (0x1002)
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [8 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  Handsfree (0x111e)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0105
            Attribute: Unknown (0x0100) [len 2]
              HFP service [len 12]
            Attribute: Unknown (0x0311) [len 2]
              0x001b
          Attribute list: [len 92] {position 2}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010003
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Audio Sink (0x110b)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 6 bytes [8 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0019
              Sequence (6) with 6 bytes [8 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  AVDTP (0x0019)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0102
            Attribute: Browse Group List (0x0005) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Public Browse Root (0x1002)
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [8 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  Advanced Audio Distribution (0x110d)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0102
            Attribute: Unknown (0x0100) [len 2]
              Advanced audio service [len 23]
            Attribute: Unknown (0x0311) [len 2]
              0x0001
< ACL Data TX flags 0x00 dlen 24 [hci0] 30.987030
      Channel: 67 len 20 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 5 len 15
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              PnP Information (0x1200)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 0
> HCI Event (0x13) plen 5 [hci0] 30.990839
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 67 [hci0] 30.991834
      Channel: 64 len 63 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 5 len 58
        Attribute bytes: 53
        Continuation state: 2
        00 35 .5
< ACL Data TX flags 0x00 dlen 26 [hci0] 30.992052
      Channel: 67 len 22 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 6 len 17
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              PnP Information (0x1200)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 2
        00 35 .5
> HCI Event (0x13) plen 5 [hci0] 30.995811
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 29 [hci0] 30.996518
      Channel: 64 len 25 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 6 len 20
        Attribute bytes: 17
        Continuation state: 0
        Combined attribute bytes: 70
          Attribute list: [len 65] {position 0}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010000
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                PnP Information (0x1200)
            Attribute: Browse Group List (0x0005) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Public Browse Root (0x1002)
            Attribute: Unknown (0x0200) [len 2]
              0x0103
            Attribute: Unknown (0x0201) [len 2]
              0x000f
            Attribute: Unknown (0x0202) [len 2]
              0x0000
            Attribute: Unknown (0x0203) [len 2]
              0x0000
            Attribute: Unknown (0x0204) [len 2]
              true
            Attribute: Unknown (0x0205) [len 2]
              0x0001
            Attribute: Unknown (0x8001) [len 2]
              0x0001
< ACL Data TX flags 0x00 dlen 24 [hci0] 31.099275
      Channel: 67 len 20 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 7 len 15
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              Handsfree (0x111e)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 0
> HCI Event (0x13) plen 5 [hci0] 31.101722
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 67 [hci0] 31.102965
      Channel: 64 len 63 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 7 len 58
        Attribute bytes: 53
        Continuation state: 2
        00 35 .5
< ACL Data TX flags 0x00 dlen 26 [hci0] 31.103181
      Channel: 67 len 22 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 8 len 17
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              Handsfree (0x111e)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 2
        00 35 .5
> HCI Event (0x13) plen 5 [hci0] 31.106718
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 44 [hci0] 31.107962
      Channel: 64 len 40 [PSM 1 mode 0] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 8 len 35
        Attribute bytes: 32
        Continuation state: 0
        Combined attribute bytes: 85
          Attribute list: [len 80] {position 0}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010002
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Handsfree (0x111e)
              UUID (3) with 2 bytes [0 extra bits] len 3
                Generic Audio (0x1203)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 3 bytes [8 extra bits] len 5
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
              Sequence (6) with 5 bytes [8 extra bits] len 7
                UUID (3) with 2 bytes [0 extra bits] len 3
                  RFCOMM (0x0003)
                Unsigned Integer (1) with 1 byte [0 extra bits] len 2
                  0x02
            Attribute: Browse Group List (0x0005) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Public Browse Root (0x1002)
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [8 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  Handsfree (0x111e)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0105
            Attribute: Unknown (0x0100) [len 2]
              HFP service [len 12]
            Attribute: Unknown (0x0311) [len 2]
              0x001b
< ACL Data TX flags 0x00 dlen 12 [hci0] 31.108484
      L2CAP: Connection Request (0x02) ident 4 len 4
        PSM: 3 (0x0003)
        Source CID: 65
> HCI Event (0x13) plen 5 [hci0] 31.111705
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 16 [hci0] 31.112953
      L2CAP: Connection Response (0x03) ident 4 len 8
        Destination CID: 68
        Source CID: 65
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX flags 0x00 dlen 16 [hci0] 31.112979
      L2CAP: Configure Request (0x04) ident 5 len 8
        Destination CID: 68
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01)
          MTU: 1013
> ACL Data RX flags 0x02 dlen 16 [hci0] 31.116703
      L2CAP: Configure Request (0x04) ident 3 len 8
        Destination CID: 65
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01)
          MTU: 1024
> HCI Event (0x13) plen 5 [hci0] 31.116714
        Num handles: 1
        Handle: 256
        Count: 1
< ACL Data TX flags 0x00 dlen 18 [hci0] 31.116742
      L2CAP: Configure Response (0x05) ident 3 len 10
        Source CID: 68
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01)
          MTU: 1024
> ACL Data RX flags 0x02 dlen 14 [hci0] 31.117950
      L2CAP: Configure Response (0x05) ident 5 len 6
        Source CID: 65
        Flags: 0x0000
        Result: Success (0x0000)
< ACL Data TX flags 0x00 dlen 8 [hci0] 31.118046
      Channel: 68 len 4 [PSM 3 mode 0] {chan 1}
        03 3f 01 1c .?..
> HCI Event (0x13) plen 5 [hci0] 31.120702
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 31.121697
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 8 [hci0] 31.122697
      Channel: 65 len 4 [PSM 3 mode 0] {chan 1}
        03 73 01 d7 .s..
< ACL Data TX flags 0x00 dlen 18 [hci0] 31.122799
      Channel: 68 len 14 [PSM 3 mode 0] {chan 1}
        03 ef 15 83 11 04 f0 07 00 f0 03 00 07 70 .............p
> HCI Event (0x13) plen 5 [hci0] 31.126699
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 18 [hci0] 31.127694
      Channel: 65 len 14 [PSM 3 mode 0] {chan 1}
        01 ef 15 81 11 04 e0 07 00 ff 00 00 07 aa ..............
< ACL Data TX flags 0x00 dlen 8 [hci0] 31.127795
      Channel: 68 len 4 [PSM 3 mode 0] {chan 1}
        13 3f 01 96 .?..
> HCI Event (0x13) plen 5 [hci0] 31.131699
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 8 [hci0] 31.132691
      Channel: 65 len 4 [PSM 3 mode 0] {chan 1}
        13 73 01 5d .s.]
< ACL Data TX flags 0x00 dlen 12 [hci0] 31.132733
      Channel: 68 len 8 [PSM 3 mode 0] {chan 1}
        03 ef 09 e3 05 13 8d 70 .......p
> ACL Data RX flags 0x02 dlen 12 [hci0] 31.134208
      L2CAP: Connection Request (0x02) ident 4 len 4
        PSM: 1 (0x0001)
        Source CID: 69
< ACL Data TX flags 0x00 dlen 16 [hci0] 31.134238
      L2CAP: Connection Response (0x03) ident 4 len 8
        Destination CID: 66
        Source CID: 69
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX flags 0x00 dlen 12 [hci0] 31.134242
      L2CAP: Configure Request (0x04) ident 6 len 4
        Destination CID: 69
        Flags: 0x0000
> HCI Event (0x13) plen 5 [hci0] 31.136698
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 12 [hci0] 31.137952
      Channel: 65 len 8 [PSM 3 mode 0] {chan 1}
        01 ef 09 e1 05 13 8d aa ........
> HCI Event (0x13) plen 5 [hci0] 31.138724
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 12 [hci0] 31.139098
      Channel: 65 len 8 [PSM 3 mode 0] {chan 1}
        01 ef 09 e3 05 13 8d aa ........
< ACL Data TX flags 0x00 dlen 12 [hci0] 31.139163
      Channel: 68 len 8 [PSM 3 mode 0] {chan 1}
        03 ef 09 e1 05 13 8d 70 .......p
< ACL Data TX flags 0x00 dlen 9 [hci0] 31.139170
      Channel: 68 len 5 [PSM 3 mode 0] {chan 1}
        13 ff 01 21 79 ...!y
> HCI Event (0x13) plen 5 [hci0] 31.139726
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 16 [hci0] 31.140473
      L2CAP: Configure Request (0x04) ident 5 len 8
        Destination CID: 66
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01)
          MTU: 64
< ACL Data TX flags 0x00 dlen 18 [hci0] 31.140505
      L2CAP: Configure Response (0x05) ident 5 len 10
        Source CID: 69
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01)
          MTU: 64
> ACL Data RX flags 0x02 dlen 14 [hci0] 31.141754
      L2CAP: Configure Response (0x05) ident 6 len 6
        Source CID: 66
        Flags: 0x0000
        Result: Success (0x0000)
> HCI Event (0x13) plen 5 [hci0] 31.143762
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 20 [hci0] 31.144187
      Channel: 65 len 16 [PSM 3 mode 0] {chan 1}
        11 ff 17 09 41 54 2b 42 52 53 46 3d 32 37 0d a3 ....AT+BRSF=27..
< ACL Data TX flags 0x00 dlen 22 [hci0] 31.144324
      Channel: 68 len 18 [PSM 3 mode 0] {chan 1}
        13 ef 1d 0d 0a 2b 42 52 53 46 3a 20 33 35 32 0d  .....+BRSF: 352.
        0a 65 .e
< ACL Data TX flags 0x00 dlen 14 [hci0] 31.144332
      Channel: 68 len 10 [PSM 3 mode 0] {chan 1}
        13 ef 0d 0d 0a 4f 4b 0d 0a 65 .....OK..e
> HCI Event (0x13) plen 5 [hci0] 31.144605
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 31.145757
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 28 [hci0] 31.146503
      Channel: 66 len 24 [PSM 1 mode 0] {chan 2}
      SDP: Service Search Attribute Request (0x06) tid 0 len 19
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              Handsfree Audio Gateway (0x111f)
        Max record count: 48
        Attribute list: [len 11]
          Sequence (6) with 9 bytes [8 extra bits] len 11
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0001
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0009
            Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
              0x0311
        Continuation state: 0
< ACL Data TX flags 0x00 dlen 46 [hci0] 31.146720
      Channel: 69 len 42 [PSM 1 mode 0] {chan 2}
      SDP: Service Search Attribute Response (0x07) tid 0 len 37
        Attribute bytes: 34
          Attribute list: [len 30] {position 0}
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Handsfree Audio Gateway (0x111f)
              UUID (3) with 2 bytes [0 extra bits] len 3
                Generic Audio (0x1203)
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [8 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  Handsfree (0x111e)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0105
            Attribute: Unknown (0x0311) [len 2]
              0x0000
        Continuation state: 0
> HCI Event (0x13) plen 5 [hci0] 31.148755
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 31.149755
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 19 [hci0] 31.150250
      Channel: 65 len 15 [PSM 3 mode 0] {chan 1}
        11 ff 15 02 41 54 2b 43 49 4e 44 3d 3f 0d a3 ....AT+CIND=?..
< ACL Data TX flags 0x00 dlen 141 [hci0] 31.150438
      Channel: 68 len 137 [PSM 3 mode 0] {chan 1}
        13 ef 08 01 0d 0a 2b 43 49 4e 44 3a 20 28 22 62 ......+CIND: ("b
        61 74 74 63 68 67 22 2c 28 30 2d 35 29 29 2c 28 attchg",(0-5)),(
        22 73 69 67 6e 61 6c 22 2c 28 30 2d 35 29 29 2c "signal",(0-5)),
        28 22 73 65 72 76 69 63 65 22 2c 28 30 2c 31 29 ("service",(0,1)
        29 2c 28 22 63 61 6c 6c 22 2c 28 30 2c 31 29 29 ),("call",(0,1))
        2c 28 22 63 61 6c 6c 73 65 74 75 70 22 2c 28 30 ,("callsetup",(0
        2d 33 29 29 2c 28 22 63 61 6c 6c 68 65 6c 64 22 -3)),("callheld"
        2c 28 30 2d 32 29 29 2c 28 22 72 6f 61 6d 22 2c ,(0-2)),("roam",
        28 30 2c 31 29 29 0d 0a 65 (0,1))..e
< ACL Data TX flags 0x00 dlen 14 [hci0] 31.150448
      Channel: 68 len 10 [PSM 3 mode 0] {chan 1}
        13 ef 0d 0d 0a 4f 4b 0d 0a 65 .....OK..e
> HCI Event (0x13) plen 5 [hci0] 31.150729
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 12 [hci0] 31.151699
      L2CAP: Disconnection Request (0x06) ident 6 len 4
        Destination CID: 66
        Source CID: 69
< ACL Data TX flags 0x00 dlen 12 [hci0] 31.151732
      L2CAP: Disconnection Response (0x07) ident 6 len 4
        Destination CID: 66
        Source CID: 69
> HCI Event (0x13) plen 5 [hci0] 31.155700
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 31.156717
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 18 [hci0] 31.157715
      Channel: 65 len 14 [PSM 3 mode 0] {chan 1}
        11 ff 13 02 41 54 2b 43 49 4e 44 3f 0d a3 ....AT+CIND?..
< ACL Data TX flags 0x00 dlen 32 [hci0] 31.157811
      Channel: 68 len 28 [PSM 3 mode 0] {chan 1}
        13 ef 31 0d 0a 2b 43 49 4e 44 3a 20 35 2c 35 2c  ..1..+CIND: 5,5,
        31 2c 30 2c 30 2c 30 2c 30 0d 0a 65 1,0,0,0,0..e
< ACL Data TX flags 0x00 dlen 14 [hci0] 31.157820
      Channel: 68 len 10 [PSM 3 mode 0] {chan 1}
        13 ef 0d 0d 0a 4f 4b 0d 0a 65 .....OK..e
> HCI Event (0x13) plen 5 [hci0] 31.158716
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 31.162700
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 31.166681
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 25 [hci0] 31.167709
      Channel: 65 len 21 [PSM 3 mode 0] {chan 1}
        11 ff 21 02 41 54 2b 43 4d 45 52 3d 33 2c 30 2c ..!.AT+CMER=3,0,
        30 2c 31 0d a3 0,1..
< ACL Data TX flags 0x00 dlen 14 [hci0] 31.167854
      Channel: 68 len 10 [PSM 3 mode 0] {chan 1}
        13 ef 0d 0d 0a 4f 4b 0d 0a 65 .....OK..e
> HCI Event (0x13) plen 5 [hci0] 31.171687
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 19 [hci0] 31.197692
      Channel: 65 len 15 [PSM 3 mode 0] {chan 1}
        11 ff 15 01 41 54 2b 43 43 57 41 3d 31 0d a3 ....AT+CCWA=1..
< ACL Data TX flags 0x00 dlen 14 [hci0] 31.197863
      Channel: 68 len 10 [PSM 3 mode 0] {chan 1}
        13 ef 0d 0d 0a 4f 4b 0d 0a 65 .....OK..e
> HCI Event (0x13) plen 5 [hci0] 31.201671
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 31 [hci0] 31.203939
      Channel: 65 len 27 [PSM 3 mode 0] {chan 1}
        11 ff 2d 01 41 54 2b 42 49 41 3d 30 2c 30 2c 31 ..-.AT+BIA=0,0,1
        2c 31 2c 31 2c 31 2c 30 2c 0d a3 ,1,1,1,0,..
< ACL Data TX flags 0x00 dlen 17 [hci0] 31.204263
      Channel: 68 len 13 [PSM 3 mode 0] {chan 1}
        13 ef 13 0d 0a 45 52 52 4f 52 0d 0a 65 .....ERROR..e
> HCI Event (0x13) plen 5 [hci0] 31.208729
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 20 [hci0] 31.208907
      Channel: 65 len 16 [PSM 3 mode 0] {chan 1}
        11 ff 17 01 41 54 2b 43 42 43 3d 31 30 30 0d a3 ....AT+CBC=100..
< ACL Data TX flags 0x00 dlen 17 [hci0] 31.209194
      Channel: 68 len 13 [PSM 3 mode 0] {chan 1}
        13 ef 13 0d 0a 45 52 52 4f 52 0d 0a 65 .....ERROR..e
> HCI Event (0x13) plen 5 [hci0] 31.213727
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 19 [hci0] 31.213935
      Channel: 65 len 15 [PSM 3 mode 0] {chan 1}
        11 ff 15 01 41 54 2b 56 47 53 3d 31 35 0d a3 ....AT+VGS=15..
< ACL Data TX flags 0x00 dlen 14 [hci0] 31.214182
      Channel: 68 len 10 [PSM 3 mode 0] {chan 1}
        13 ef 0d 0d 0a 4f 4b 0d 0a 65 .....OK..e
> HCI Event (0x13) plen 5 [hci0] 31.218699
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 21 [hci0] 31.218903
      Channel: 65 len 17 [PSM 3 mode 0] {chan 1}
        11 ff 19 01 41 54 2b 43 4f 50 53 3d 33 2c 30 0d ....AT+COPS=3,0.
        a3 .
< ACL Data TX flags 0x00 dlen 14 [hci0] 31.219151
      Channel: 68 len 10 [PSM 3 mode 0] {chan 1}
        13 ef 0d 0d 0a 4f 4b 0d 0a 65 .....OK..e
> HCI Event (0x13) plen 5 [hci0] 31.223655
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 19 [hci0] 31.223901
      Channel: 65 len 15 [PSM 3 mode 0] {chan 1}
        11 ff 15 01 41 54 2b 43 4d 45 45 3d 31 0d a3 ....AT+CMEE=1..
< ACL Data TX flags 0x00 dlen 14 [hci0] 31.224044
      Channel: 68 len 10 [PSM 3 mode 0] {chan 1}
        13 ef 0d 0d 0a 4f 4b 0d 0a 65 .....OK..e
> HCI Event (0x13) plen 5 [hci0] 31.229657
        Num handles: 1
        Handle: 256
        Count: 1
< ACL Data TX flags 0x00 dlen 12 [hci0] 32.913824
      L2CAP: Disconnection Request (0x06) ident 7 len 4
        Destination CID: 67
        Source CID: 64
< ACL Data TX flags 0x00 dlen 12 [hci0] 32.913967
      L2CAP: Connection Request (0x02) ident 8 len 4
        PSM: 25 (0x0019)
        Source CID: 66
> HCI Event (0x13) plen 5 [hci0] 32.917809
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 12 [hci0] 32.918175
      L2CAP: Disconnection Response (0x07) ident 7 len 4
        Destination CID: 67
        Source CID: 64
> HCI Event (0x13) plen 5 [hci0] 32.918799
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 16 [hci0] 32.919548
      L2CAP: Connection Response (0x03) ident 8 len 8
        Destination CID: 70
        Source CID: 66
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX flags 0x00 dlen 12 [hci0] 32.919590
      L2CAP: Configure Request (0x04) ident 9 len 4
        Destination CID: 70
        Flags: 0x0000
> ACL Data RX flags 0x02 dlen 16 [hci0] 32.920800
      L2CAP: Configure Request (0x04) ident 7 len 8
        Destination CID: 66
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01)
          MTU: 672
< ACL Data TX flags 0x00 dlen 18 [hci0] 32.920846
      L2CAP: Configure Response (0x05) ident 7 len 10
        Source CID: 70
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01)
          MTU: 672
> HCI Event (0x13) plen 5 [hci0] 32.923795
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 14 [hci0] 32.924545
      L2CAP: Configure Response (0x05) ident 9 len 6
        Source CID: 66
        Flags: 0x0000
        Result: Success (0x0000)
< ACL Data TX flags 0x00 dlen 6 [hci0] 32.924675
      Channel: 70 len 2 [PSM 25 mode 0] {chan 2}
        00 01 ..
> HCI Event (0x13) plen 5 [hci0] 32.924798
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 32.928796
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 8 [hci0] 32.929291
      Channel: 66 len 4 [PSM 25 mode 0] {chan 2}
        02 01 04 08 ....
< ACL Data TX flags 0x00 dlen 7 [hci0] 32.929397
      Channel: 70 len 3 [PSM 25 mode 0] {chan 2}
        10 02 04 ...
> HCI Event (0x13) plen 5 [hci0] 32.933791
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 16 [hci0] 32.934578
      Channel: 66 len 12 [PSM 25 mode 0] {chan 2}
        12 02 01 00 07 06 00 00 ff ff 02 59 ...........Y
< ACL Data TX flags 0x00 dlen 18 [hci0] 32.934704
      Channel: 70 len 14 [PSM 25 mode 0] {chan 2}
        20 03 04 04 01 00 07 06 00 00 21 15 02 35 .........!..5
> HCI Event (0x13) plen 5 [hci0] 32.938861
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 6 [hci0] 32.939354
      Channel: 66 len 2 [PSM 25 mode 0] {chan 2}
        22 03 ".
< ACL Data TX flags 0x00 dlen 7 [hci0] 32.939468
      Channel: 70 len 3 [PSM 25 mode 0] {chan 2}
        30 06 04 0..
> HCI Event (0x13) plen 5 [hci0] 32.943806
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 6 [hci0] 32.944301
      Channel: 66 len 2 [PSM 25 mode 0] {chan 2}
        32 06 2.
< ACL Data TX flags 0x00 dlen 12 [hci0] 32.944424
      L2CAP: Connection Request (0x02) ident 10 len 4
        PSM: 25 (0x0019)
        Source CID: 64
> HCI Event (0x13) plen 5 [hci0] 32.948804
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 16 [hci0] 32.949551
      L2CAP: Connection Response (0x03) ident 10 len 8
        Destination CID: 71
        Source CID: 64
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX flags 0x00 dlen 12 [hci0] 32.949582
      L2CAP: Configure Request (0x04) ident 11 len 4
        Destination CID: 71
        Flags: 0x0000
> ACL Data RX flags 0x02 dlen 20 [hci0] 32.950571
      L2CAP: Configure Request (0x04) ident 8 len 12
        Destination CID: 64
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01)
          MTU: 1008
        Option: Flush Timeout (0x02)
          Flush timeout: 200
< ACL Data TX flags 0x00 dlen 18 [hci0] 32.950597
      L2CAP: Configure Response (0x05) ident 8 len 10
        Source CID: 71
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01)
          MTU: 1008
> HCI Event (0x13) plen 5 [hci0] 32.953824
        Num handles: 1
        Handle: 256
        Count: 1
> ACL Data RX flags 0x02 dlen 14 [hci0] 32.954566
      L2CAP: Configure Response (0x05) ident 11 len 6
        Source CID: 64
        Flags: 0x0000
        Result: Success (0x0000)
> HCI Event (0x13) plen 5 [hci0] 32.954798
        Num handles: 1
        Handle: 256
        Count: 1
< HCI Command (0x01|0x0028) plen 17 [hci0] 32.964171
        Handle: 256
        Transmit bandwidth: 8000
        Receive bandwidth: 8000
        Max latency: 65535
        Setting: 0x0060
        Retransmission effort: Don't care (0xff)
        Packet type: 0x003f
> HCI Event (0x0f) plen 4 [hci0] 32.965775
      Setup Synchronous Connection (0x01|0x0028) ncmd 1
        Status: Success (0x00)
> HCI Event (0x1b) plen 3 [hci0] 32.969774
        Handle: 256
        Max slots: 1
> HCI Event (0x2c) plen 17 [hci0] 32.986795
        Status: Success (0x00)
        Handle: 257
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Link type: eSCO (0x02)
        Transmission interval: 0x0c
        Retransmission window: 0x02
        RX packet length: 60
        TX packet length: 60
        Air mode: CVSD (0x02)
< ACL Data TX flags 0x00 dlen 19 [hci0] 32.987649
      Channel: 68 len 15 [PSM 3 mode 0] {chan 1}
        13 ef 17 0d 0a 2b 56 47 53 3d 31 35 0d 0a 65 .....+VGS=15..e
< ACL Data TX flags 0x00 dlen 19 [hci0] 32.987662
      Channel: 68 len 15 [PSM 3 mode 0] {chan 1}
        13 ef 17 0d 0a 2b 56 47 4d 3d 31 35 0d 0a 65 .....+VGM=15..e
> HCI Event (0x1b) plen 3 [hci0] 32.991768
        Handle: 256
        Max slots: 5
> HCI Event (0x13) plen 5 [hci0] 32.992762
        Num handles: 1
        Handle: 256
        Count: 1
< SCO Data TX flags 0x00 dlen 48 [hci0] 32.993934
> HCI Event (0x13) plen 5 [hci0] 32.995762
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x14) plen 6 [hci0] 37.801432
        Status: Success (0x00)
        Handle: 256
        Mode: Sniff (0x02)
        Interval: 247.500 msec (0x018c)
< HCI Command (0x01|0x0006) plen 3 [hci0] 38.011637
        Handle: 257
        Reason: Remote User Terminated Connection (0x13)
> HCI Event (0x0f) plen 4 [hci0] 38.012251
      Disconnect (0x01|0x0006) ncmd 1
        Status: Success (0x00)
> HCI Event (0x05) plen 4 [hci0] 38.051233
        Status: Success (0x00)
        Handle: 257
        Reason: Connection Terminated By Local Host (0x16)
> HCI Event (0x14) plen 6 [hci0] 38.057234
        Status: Success (0x00)
        Handle: 256
        Mode: Active (0x00)
        Interval: 0.000 msec (0x0000)
> HCI Event (0x14) plen 6 [hci0] 42.803863
        Status: Success (0x00)
        Handle: 256
        Mode: Sniff (0x02)
        Interval: 500.000 msec (0x0320)
< HCI Command (0x02|0x0004) plen 2 [hci0] 42.927906
        Handle: 256
> HCI Event (0x0f) plen 4 [hci0] 42.928836
      Exit Sniff Mode (0x02|0x0004) ncmd 1
        Status: Success (0x00)
> HCI Event (0x14) plen 6 [hci0] 43.264703
        Status: Success (0x00)
        Handle: 256
        Mode: Active (0x00)
        Interval: 0.000 msec (0x0000)
< HCI Command (0x01|0x0028) plen 17 [hci0] 43.264779
        Handle: 256
        Transmit bandwidth: 8000
        Receive bandwidth: 8000
        Max latency: 65535
        Setting: 0x0060
        Retransmission effort: Don't care (0xff)
        Packet type: 0x003f
> HCI Event (0x0f) plen 4 [hci0] 43.265703
      Setup Synchronous Connection (0x01|0x0028) ncmd 1
        Status: Success (0x00)
> HCI Event (0x1b) plen 3 [hci0] 43.271679
        Handle: 256
        Max slots: 1
> HCI Event (0x2c) plen 17 [hci0] 43.290665
        Status: Success (0x00)
        Handle: 257
        Address: 78:F7:BE:08:5E:DF (OUI 78-F7-BE)
        Link type: eSCO (0x02)
        Transmission interval: 0x0c
        Retransmission window: 0x02
        RX packet length: 60
        TX packet length: 60
        Air mode: CVSD (0x02)
< ACL Data TX flags 0x00 dlen 19 [hci0] 43.291490
      Channel: 68 len 15 [PSM 3 mode 0] {chan 1}
        13 ef 17 0d 0a 2b 56 47 53 3d 31 35 0d 0a 65 .....+VGS=15..e
< ACL Data TX flags 0x00 dlen 19 [hci0] 43.291512
      Channel: 68 len 15 [PSM 3 mode 0] {chan 1}
        13 ef 17 0d 0a 2b 56 47 4d 3d 31 35 0d 0a 65 .....+VGM=15..e
< SCO Data TX flags 0x00 dlen 48 [hci0] 43.295627
< SCO Data TX flags 0x00 dlen 48 [hci0] 43.295850
> HCI Event (0x1b) plen 3 [hci0] 43.296621
        Handle: 256
        Max slots: 5
> HCI Event (0x13) plen 5 [hci0] 43.297623
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x13) plen 5 [hci0] 43.298627
        Num handles: 1
        Handle: 256
        Count: 1
> HCI Event (0x14) plen 6 [hci0] 47.786446
        Status: Success (0x00)
        Handle: 256
        Mode: Sniff (0x02)
        Interval: 247.500 msec (0x018c)
< HCI Command (0x01|0x0006) plen 3 [hci0] 49.907615
        Handle: 257
        Reason: Remote User Terminated Connection (0x13)
> HCI Event (0x0f) plen 4 [hci0] 49.908340
      Disconnect (0x01|0x0006) ncmd 1
        Status: Success (0x00)
> HCI Event (0x05) plen 4 [hci0] 50.015272
        Status: Success (0x00)
        Handle: 257
        Reason: Connection Terminated By Local Host (0x16)
> HCI Event (0x14) plen 6 [hci0] 50.021320
        Status: Success (0x00)
        Handle: 256
        Mode: Active (0x00)
        Interval: 0.000 msec (0x0000)
> HCI Event (0x14) plen 6 [hci0] 54.795921
        Status: Success (0x00)
        Handle: 256
        Mode: Sniff (0x02)
        Interval: 500.000 msec (0x0320)

Regards

Marcel




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