> It seems the SCO link (the actual audio stream) is up but there's no > audio flowing. > > That's what I am saying. I presume the headset needs a RING AT command, then > listen for the accept button to be pressed on the headset then initiate the > audio connection. But as i said, play() doesn't work with python like my > stackoverflow example shows. This is from a manual http://i.imgur.com/4mzT81w.jpg What does that tell you? > Which hardware are you testing this on? You mentioned you're using a > raspberry pi, which I believe doesn't have a built-in bluetooth chip. > Are you using some conventional USB dongle? > > An expensive belkin bluetooth 4.0+ adapter. Rasperry Pi > > > I ask this because the hardware could be set up for SCO over PCM (as > opposed to SCO over HCI) which would lead to the described behavior. > > Otherwise, assuming it's SCO over HCI, the hcidump above would be > pretty bad. I haven't seen this before but it's definitely possible > that the headset doesn't send any audio unless it receives some, which > is not happening in this case. > > You should be able to confirm this by sending some audio to the > headset with paplay during the recording, and checking if parecord > works during this time. hcidump would be interesting here too. > > This is what I did > > hcidump > ausgabehci.txt & > Without sudo? I did it again with sudo and starting the headset, the recording sequence and I got this: HCI sniffer - Bluetooth packet analyzer ver 2.4 device: hci0 snap_len: 1028 filter: 0xffffffff > HCI Event: Connect Request (0x04) plen 10 bdaddr 00:1A:7D:11:C0:66 class 0x240404 type ACL < HCI Command: Accept Connection Request (0x01|0x0009) plen 7 bdaddr 00:1A:7D:11:C0:66 role 0x00 Role: Master > HCI Event: Command Status (0x0f) plen 4 Accept Connection Request (0x01|0x0009) status 0x00 ncmd 1 > HCI Event: Role Change (0x12) plen 8 status 0x00 bdaddr 00:1A:7D:11:C0:66 role 0x00 Role: Master > HCI Event: Connect Complete (0x03) plen 11 status 0x00 handle 11 bdaddr 00:1A:7D:11:C0:66 type ACL encrypt 0x00 < HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2 handle 11 > HCI Event: Command Status (0x0f) plen 4 Read Remote Supported Features (0x01|0x001b) status 0x00 ncmd 1 > HCI Event: Max Slots Change (0x1b) plen 3 handle 11 slots 5 > HCI Event: Read Remote Supported Features (0x0b) plen 11 status 0x00 handle 11 Features: 0xff 0xfe 0x0f 0xc6 0x8b 0xef 0x59 0x83 < HCI Command: Read Remote Extended Features (0x01|0x001c) plen 3 handle 11 page 1 > HCI Event: Command Status (0x0f) plen 4 Read Remote Extended Features (0x01|0x001c) status 0x00 ncmd 1 > HCI Event: Read Remote Extended Features (0x23) plen 13 status 0x00 handle 11 page 1 max 1 Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 < HCI Command: Remote Name Request (0x01|0x0019) plen 10 bdaddr 00:1A:7D:11:C0:66 mode 2 clkoffset 0x0000 > ACL data: handle 11 flags 0x02 dlen 12 L2CAP(s): Connect req: psm 1 scid 0x0040 > HCI Event: Command Status (0x0f) plen 4 Remote Name Request (0x01|0x0019) status 0x00 ncmd 1 < ACL data: handle 11 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 1 status 0 Connection pending - No futher information available < ACL data: handle 11 flags 0x00 dlen 10 L2CAP(s): Info req: type 2 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 16 L2CAP(s): Info rsp: type 2 result 0 Extended feature mask 0x0000 < ACL data: handle 11 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 0 status 0 Connection successful < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 0 > ACL data: handle 11 flags 0x02 dlen 16 L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4 MTU 48 < ACL data: handle 11 flags 0x00 dlen 18 L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 4 MTU 48 > ACL data: handle 11 flags 0x02 dlen 14 L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0 Success > ACL data: handle 11 flags 0x02 dlen 24 L2CAP(d): cid 0x0040 len 20 [psm 1] SDP SSA Req: tid 0x1 len 0xf pat uuid-32 0x111f (Handsfree AG) max 38 aid(s) 0x0004 (ProtocolDescList) cont 00 > HCI Event: Remote Name Req Complete (0x07) plen 255 status 0x00 bdaddr 00:1A:7D:11:C0:66 name 'Iqua Slim' > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 < ACL data: handle 11 flags 0x00 dlen 33 L2CAP(d): cid 0x0040 len 29 [psm 1] SDP SSA Rsp: tid 0x1 len 0x18 count 21 record #0 aid 0x0004 (ProtocolDescList) < < uuid-16 0x0100 (L2CAP) > < uuid-16 0x0003 (RFCOMM) uint 0xd > > cont 00 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 12 L2CAP(s): Disconn req: dcid 0x0040 scid 0x0040 < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(s): Disconn rsp: dcid 0x0040 scid 0x0040 > HCI Event: Link Key Request (0x17) plen 6 bdaddr 00:1A:7D:11:C0:66 < HCI Command: Link Key Request Reply (0x01|0x000b) plen 22 bdaddr 00:1A:7D:11:C0:66 key 4118887B24F8519BEBF20B626C48413E > HCI Event: Command Complete (0x0e) plen 10 Link Key Request Reply (0x01|0x000b) ncmd 1 status 0x00 bdaddr 00:1A:7D:11:C0:66 > HCI Event: Encrypt Change (0x08) plen 4 status 0x00 handle 11 encrypt 0x01 > ACL data: handle 11 flags 0x02 dlen 12 L2CAP(s): Connect req: psm 3 scid 0x0041 < ACL data: handle 11 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0041 result 0 status 0 Connection successful < ACL data: handle 11 flags 0x00 dlen 16 L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 4 MTU 1013 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 16 L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4 MTU 895 < ACL data: handle 11 flags 0x00 dlen 18 L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 4 MTU 895 > ACL data: handle 11 flags 0x02 dlen 18 L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 4 MTU 1013 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 8 L2CAP(d): cid 0x0040 len 4 [psm 3] RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c < ACL data: handle 11 flags 0x00 dlen 8 L2CAP(d): cid 0x0041 len 4 [psm 3] RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7 > ACL data: handle 11 flags 0x02 dlen 18 L2CAP(d): cid 0x0040 len 14 [psm 3] RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8 dlci 26 frame_type 0 credit_flow 15 pri 0 ack_timer 0 frame_size 126 max_retrans 0 credits 0 < ACL data: handle 11 flags 0x00 dlen 18 L2CAP(d): cid 0x0041 len 14 [psm 3] RFCOMM(s): PN RSP: cr 0 dlci 0 pf 0 ilen 10 fcs 0xaa mcc_len 8 dlci 26 frame_type 0 credit_flow 14 pri 0 ack_timer 0 frame_size 126 max_retrans 0 credits 7 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 8 L2CAP(d): cid 0x0040 len 4 [psm 3] RFCOMM(s): SABM: cr 1 dlci 26 pf 1 ilen 0 fcs 0xe7 < HCI Command: Authentication Requested (0x01|0x0011) plen 2 handle 11 > HCI Event: Command Status (0x0f) plen 4 Authentication Requested (0x01|0x0011) status 0x00 ncmd 1 > HCI Event: Link Key Request (0x17) plen 6 bdaddr 00:1A:7D:11:C0:66 < HCI Command: Link Key Request Reply (0x01|0x000b) plen 22 bdaddr 00:1A:7D:11:C0:66 key 4118887B24F8519BEBF20B626C48413E > HCI Event: Command Complete (0x0e) plen 10 Link Key Request Reply (0x01|0x000b) ncmd 1 status 0x00 bdaddr 00:1A:7D:11:C0:66 > HCI Event: Auth Complete (0x06) plen 3 status 0x00 handle 11 < HCI Command: Set Connection Encryption (0x01|0x0013) plen 3 handle 11 encrypt 0x01 > HCI Event: Command Status (0x0f) plen 4 Set Connection Encryption (0x01|0x0013) status 0x00 ncmd 1 > HCI Event: Encryption Key Refresh Complete (0x30) plen 3 status 0x00 handle 11 > HCI Event: Encrypt Change (0x08) plen 4 status 0x00 handle 11 encrypt 0x01 < ACL data: handle 11 flags 0x00 dlen 8 L2CAP(d): cid 0x0041 len 4 [psm 3] RFCOMM(s): UA: cr 1 dlci 26 pf 1 ilen 0 fcs 0x2c < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(d): cid 0x0041 len 8 [psm 3] RFCOMM(s): MSC CMD: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2 dlci 26 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 0 b3 0 len 6 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 12 L2CAP(d): cid 0x0040 len 8 [psm 3] RFCOMM(s): MSC CMD: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2 dlci 26 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 1 b2 0 b3 0 len 6 < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(d): cid 0x0041 len 8 [psm 3] RFCOMM(s): MSC RSP: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2 dlci 26 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 1 b2 0 b3 0 len 6 > ACL data: handle 11 flags 0x02 dlen 12 L2CAP(d): cid 0x0040 len 8 [psm 3] RFCOMM(s): MSC RSP: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2 dlci 26 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 1 b2 0 b3 0 len 6 < ACL data: handle 11 flags 0x00 dlen 9 L2CAP(d): cid 0x0041 len 5 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 1 ilen 0 fcs 0x22 credits 33 > ACL data: handle 11 flags 0x02 dlen 9 L2CAP(d): cid 0x0040 len 5 [psm 3] RFCOMM(d): UIH: cr 1 dlci 26 pf 1 ilen 0 fcs 0xf8 credits 15 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 19 L2CAP(d): cid 0x0040 len 15 [psm 3] RFCOMM(d): UIH: cr 1 dlci 26 pf 0 ilen 11 fcs 0xe4 < ACL data: handle 11 flags 0x00 dlen 22 L2CAP(d): cid 0x0041 len 18 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 14 fcs 0x3e < ACL data: handle 11 flags 0x00 dlen 14 L2CAP(d): cid 0x0041 len 10 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 6 fcs 0x3e > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 19 L2CAP(d): cid 0x0040 len 15 [psm 3] RFCOMM(d): UIH: cr 1 dlci 26 pf 1 ilen 10 fcs 0xf8 credits 2 < ACL data: handle 11 flags 0x00 dlen 134 L2CAP(d): cid 0x0041 len 130 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 126 fcs 0x3e < ACL data: handle 11 flags 0x00 dlen 14 L2CAP(d): cid 0x0041 len 10 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 6 fcs 0x3e < ACL data: handle 11 flags 0x00 dlen 14 L2CAP(d): cid 0x0041 len 10 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 6 fcs 0x3e > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 18 L2CAP(d): cid 0x0040 len 14 [psm 3] RFCOMM(d): UIH: cr 1 dlci 26 pf 1 ilen 9 fcs 0xf8 credits 3 < ACL data: handle 11 flags 0x00 dlen 32 L2CAP(d): cid 0x0041 len 28 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 24 fcs 0x3e < ACL data: handle 11 flags 0x00 dlen 14 L2CAP(d): cid 0x0041 len 10 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 6 fcs 0x3e > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 28 L2CAP(d): cid 0x0040 len 24 [psm 3] RFCOMM(d): UIH: cr 1 dlci 26 pf 1 ilen 19 fcs 0xf8 credits 2 < ACL data: handle 11 flags 0x00 dlen 14 L2CAP(d): cid 0x0041 len 10 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 6 fcs 0x3e > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 19 L2CAP(d): cid 0x0040 len 15 [psm 3] RFCOMM(d): UIH: cr 1 dlci 26 pf 1 ilen 10 fcs 0xf8 credits 1 < ACL data: handle 11 flags 0x00 dlen 14 L2CAP(d): cid 0x0041 len 10 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 6 fcs 0x3e > ACL data: handle 11 flags 0x02 dlen 12 L2CAP(s): Connect req: psm 1 scid 0x0042 < ACL data: handle 11 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0041 scid 0x0042 result 0 status 0 Connection successful < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(s): Config req: dcid 0x0042 flags 0x00 clen 0 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 16 L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 4 MTU 48 < ACL data: handle 11 flags 0x00 dlen 18 L2CAP(s): Config rsp: scid 0x0042 flags 0x00 result 0 clen 4 MTU 48 > ACL data: handle 11 flags 0x02 dlen 14 L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 0 Success > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 19 L2CAP(d): cid 0x0040 len 15 [psm 3] RFCOMM(d): UIH: cr 1 dlci 26 pf 1 ilen 10 fcs 0xf8 credits 1 > ACL data: handle 11 flags 0x02 dlen 24 L2CAP(d): cid 0x0041 len 20 [psm 1] SDP SSA Req: tid 0x1 len 0xf pat uuid-32 0x111f (Handsfree AG) max 38 aid(s) 0x0009 (BTProfileDescList) cont 00 < ACL data: handle 11 flags 0x00 dlen 14 L2CAP(d): cid 0x0041 len 10 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 6 fcs 0x3e < ACL data: handle 11 flags 0x00 dlen 29 L2CAP(d): cid 0x0042 len 25 [psm 1] SDP SSA Rsp: tid 0x1 len 0x14 count 17 record #0 aid 0x0009 (BTProfileDescList) < < uuid-16 0x111e (Handsfree) uint 0x105 > > cont 00 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 12 L2CAP(s): Disconn req: dcid 0x0041 scid 0x0042 < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(s): Disconn rsp: dcid 0x0041 scid 0x0042 > ACL data: handle 11 flags 0x02 dlen 30 L2CAP(d): cid 0x0040 len 26 [psm 3] RFCOMM(d): UIH: cr 1 dlci 26 pf 1 ilen 21 fcs 0xf8 credits 1 < ACL data: handle 11 flags 0x00 dlen 17 L2CAP(d): cid 0x0041 len 13 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 9 fcs 0x3e > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(s): Connect req: psm 25 scid 0x0041 > ACL data: handle 11 flags 0x02 dlen 16 L2CAP(s): Connect rsp: dcid 0x0043 scid 0x0041 result 1 status 2 Connection pending - Authorization pending > ACL data: handle 11 flags 0x02 dlen 16 L2CAP(s): Connect rsp: dcid 0x0043 scid 0x0041 result 0 status 0 Connection successful < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(s): Config req: dcid 0x0043 flags 0x00 clen 0 > ACL data: handle 11 flags 0x02 dlen 16 L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 4 MTU 895 < ACL data: handle 11 flags 0x00 dlen 18 L2CAP(s): Config rsp: scid 0x0043 flags 0x00 result 0 clen 4 MTU 895 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 14 L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 0 Success < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(s): Connect req: psm 23 scid 0x0042 < ACL data: handle 11 flags 0x00 dlen 6 L2CAP(d): cid 0x0043 len 2 [psm 25] AVDTP(s): Discover cmd: transaction 0 nsp 0x00 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 16 L2CAP(s): Connect rsp: dcid 0x0044 scid 0x0042 result 1 status 2 Connection pending - Authorization pending > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 1 > ACL data: handle 11 flags 0x02 dlen 8 L2CAP(d): cid 0x0041 len 4 [psm 25] AVDTP(s): Discover rsp: transaction 0 nsp 0x00 ACP SEID 1 - Audio Sink < ACL data: handle 11 flags 0x00 dlen 7 L2CAP(d): cid 0x0043 len 3 [psm 25] AVDTP(s): Capabilities cmd: transaction 1 nsp 0x00 ACP SEID 1 > ACL data: handle 11 flags 0x02 dlen 20 L2CAP(d): cid 0x0041 len 16 [psm 25] AVDTP(s): Capabilities rsp: transaction 1 nsp 0x00 Media Transport Media Codec - SBC 16kHz 32kHz 44.1kHz 48kHz Mono DualChannel Stereo JointStereo 4 8 12 16 Blocks 4 8 Subbands SNR Loudness Bitpool Range 2-53 Content Protection 02 00 > ACL data: handle 11 flags 0x02 dlen 16 L2CAP(s): Connect rsp: dcid 0x0044 scid 0x0042 result 0 status 0 Connection successful < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(s): Config req: dcid 0x0044 flags 0x00 clen 0 > ACL data: handle 11 flags 0x02 dlen 16 L2CAP(s): Config req: dcid 0x0042 flags 0x00 clen 4 MTU 895 < ACL data: handle 11 flags 0x00 dlen 18 L2CAP(s): Config rsp: scid 0x0044 flags 0x00 result 0 clen 4 MTU 895 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 14 L2CAP(s): Config rsp: scid 0x0042 flags 0x00 result 0 clen 0 Success < HCI Command: Write Scan Enable (0x03|0x001a) plen 1 enable 0 > HCI Event: Command Complete (0x0e) plen 4 Write Scan Enable (0x03|0x001a) ncmd 1 status 0x00 < HCI Command: Read Scan Enable (0x03|0x0019) plen 0 > HCI Event: Command Complete (0x0e) plen 5 Read Scan Enable (0x03|0x0019) ncmd 1 status 0x00 enable 0 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 1 < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(s): Disconn req: dcid 0x0043 scid 0x0041 < ACL data: handle 11 flags 0x00 dlen 12 L2CAP(s): Disconn req: dcid 0x0044 scid 0x0042 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 11 packets 2 > ACL data: handle 11 flags 0x02 dlen 12 L2CAP(s): Disconn rsp: dcid 0x0043 scid 0x0041 > ACL data: handle 11 flags 0x02 dlen 12 L2CAP(s): Disconn rsp: dcid 0x0044 scid 0x0042 < HCI Command: Write Class of Device (0x03|0x0024) plen 3 class 0x4a0100 > HCI Event: Command Complete (0x0e) plen 4 Write Class of Device (0x03|0x0024) ncmd 1 status 0x00 < HCI Command: Write Extended Inquiry Response (0x03|0x0052) plen 241 fec 0x00 Unknown type 0x45 with 8 bytes data Unknown type 0x2d with 2 bytes data > HCI Event: Command Complete (0x0e) plen 4 Write Extended Inquiry Response (0x03|0x0052) ncmd 1 status 0x00 < HCI Command: Write Class of Device (0x03|0x0024) plen 3 class 0x4e0100 > HCI Event: Command Complete (0x0e) plen 4 Write Class of Device (0x03|0x0024) ncmd 1 status 0x00 < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17 handle 11 voice setting 0x0060 ptype 0x003f > HCI Event: Command Status (0x0f) plen 4 Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1 > HCI Event: Synchronous Connect Complete (0x2c) plen 17 status 0x00 handle 6 bdaddr 00:1A:7D:11:C0:66 type eSCO Air mode: CVSD < ACL data: handle 11 flags 0x00 dlen 18 L2CAP(d): cid 0x0041 len 14 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 10 fcs 0x3e < ACL data: handle 11 flags 0x00 dlen 19 L2CAP(d): cid 0x0041 len 15 [psm 3] RFCOMM(d): UIH: cr 0 dlci 26 pf 0 ilen 11 fcs 0x3e < SCO data: handle 6 flags 0x00 dlen 48 < SCO data: handle 6 flags 0x00 dlen 48 < HCI Command: Write Scan Enable (0x03|0x001a) plen 1 enable 3 > HCI Event: Command Complete (0x0e) plen 4 Write Scan Enable (0x03|0x001a) ncmd 1 status 0x00 < HCI Command: Read Scan Enable (0x03|0x0019) plen 0 > HCI Event: Command Complete (0x0e) plen 5 Read Scan Enable (0x03|0x0019) ncmd 1 status 0x00 enable 3 > HCI Event: Mode Change (0x14) plen 6 status 0x00 handle 11 mode 0x02 interval 160 Mode: Sniff
