maximi89@Maximiliano:~$ sudo hcidump                                                                               
HCI sniffer - Bluetooth packet analyzer ver 1.42                                                                   
device: hci0 snap_len: 1028 filter: 0xffffffff                                                                     
> HCI Event: Connect Request (0x04) plen 10
< HCI Command: Accept Connection Request (0x01|0x0009) plen 7
> HCI Event: Command Status (0x0f) plen 4                    
> HCI Event: Role Change (0x12) plen 8                       
> HCI Event: Connect Complete (0x03) plen 11                 
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2
> HCI Event: Max Slots Change (0x1b) plen 3                       
> HCI Event: Command Status (0x0f) plen 4                         
< HCI Command: Remote Name Request (0x01|0x0019) plen 10          
> HCI Event: Connection Packet Type Changed (0x1d) plen 5         
> HCI Event: Command Status (0x0f) plen 4                         
> HCI Event: Read Remote Supported Features (0x0b) plen 11        
> ACL data: handle 1 flags 0x02 dlen 12                           
    L2CAP(s): Connect req: psm 1 scid 0x0040                      
< ACL data: handle 1 flags 0x02 dlen 16                           
    L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 1 status 0
      Connection pending - No futher information available          
< ACL data: handle 1 flags 0x02 dlen 10                             
    L2CAP(s): Info req: type 2                                      
> HCI Event: Remote Name Req Complete (0x07) plen 255               
> HCI Event: Number of Completed Packets (0x13) plen 5              
> HCI Event: Number of Completed Packets (0x13) plen 5              
> ACL data: handle 1 flags 0x02 dlen 16                             
    L2CAP(s): Info rsp: type 2 result 0                             
      Extended feature mask 0x0000                                  
< ACL data: handle 1 flags 0x02 dlen 16                             
    L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 0 status 0
      Connection successful                                         
> HCI Event: Number of Completed Packets (0x13) plen 5              
> ACL data: handle 1 flags 0x02 dlen 16                             
    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4             
      MTU 1024                                                      
< ACL data: handle 1 flags 0x02 dlen 18                             
    L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 4    
      MTU 1024                                                      
< ACL data: handle 1 flags 0x02 dlen 12                             
    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 0             
> HCI Event: Number of Completed Packets (0x13) plen 5              
> HCI Event: Number of Completed Packets (0x13) plen 5              
> ACL data: handle 1 flags 0x02 dlen 14                             
    L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
      Success
> ACL data: handle 1 flags 0x02 dlen 34
    L2CAP(d): cid 0x0040 len 30 [psm 1]
        SDP SSA Req: tid 0x1 len 0x19
          pat uuid-16 0x1105 (OBEXObjPush)
          max 128
          aid(s) 0x0000 (SrvRecHndl) 0x0001 (SrvClassIDList) 0x0002 (SrvRecState) 0x0006 (LangBaseAttrIDList) 0x0009 (BTProfileDescList)
          cont 00
< ACL data: handle 1 flags 0x02 dlen 14
    L2CAP(d): cid 0x0040 len 10 [psm 1]
        SDP SSA Rsp: tid 0x1 len 0x5
          count 2
          cont 00
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 1 flags 0x02 dlen 12
    L2CAP(s): Disconn req: dcid 0x0040 scid 0x0040
< ACL data: handle 1 flags 0x02 dlen 12
    L2CAP(s): Disconn rsp: dcid 0x0040 scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Disconn Complete (0x05) plen 4