[Bluez-users] trying to connect to a M2500 Plantronics headset

[Daniela Taubert <daniela.taubert@physik.uni-muenchen.de>]

Hi all,

I'm trying to get my bluetooth headset working with btsco but can't establish 
a connection. Switched to kernel 2.6.11.11 today...

I have KBluetoothD running which seems to give me some useful information; I 
also tried without but didn't get different results so I guess it doesn't 
disturb anything...

That's what I did:

1) start sdpd, hcid, rfcomm via init script
2) plug in dongle
	=> KBluetoothD recognizes dongle
3) headset in pairing mode
	=> no reaction
4) hcitool scan
	=> headset found, KBluetoothD doesn't show connection
5) modprobe snd_bt_sco
6) btsco <heaset_addr>
	=> KBluetoothD finds the headset but shows zero connection strength
	=> command times out with 

	Error: Failed to connect to SDP server: Connection timed out
	Assuming channel 2
	
	Can't connect RFCOMM channel: Resource temporarily unavailable

	(passing the channel number (I tried 1,2,3) doesn't change the situation)

7) hcidump (headset in pairing mode) while trying the btsco command:

	< HCI Command: Read Voice Setting (0x03|0x0025) plen 0
	> HCI Event: Command Complete (0x0e) plen 6
	Read Voice Setting (0x03|0x0025) ncmd 1
	status 0x00 voice setting 0x0060
	< HCI Command: Create Connection (0x01|0x0005) plen 13
	bdaddr 00:03:89:91:37:87 ptype 0xcc18 rswitch 0x01 clkoffset 0x0000
	Packet type: DM1 DM3 DM5 DH1 DH3 DH5
	> HCI Event: Command Status (0x0f) plen 4
	Create Connection (0x01|0x0005) status 0x00 ncmd 1
	> HCI Event: Link Key Request (0x17) plen 6
	bdaddr 00:03:89:91:37:87
	< HCI Command: Link Key Request Negative Reply (0x01|0x000c) plen 6
	bdaddr 00:03:89:91:37:87
	> HCI Event: Command Complete (0x0e) plen 10
	Link Key Request Negative Reply (0x01|0x000c) ncmd 1
	status 0x00 bdaddr 00:03:89:91:37:87
	> HCI Event: PIN Code Request (0x16) plen 6
	bdaddr 00:03:89:91:37:87
	< HCI Command: PIN Code Request Negative Reply (0x01|0x000e) plen 6
	bdaddr 00:03:89:91:37:87
	> HCI Event: Command Complete (0x0e) plen 10
	PIN Code Request Negative Reply (0x01|0x000e) ncmd 1
	status 0x00 bdaddr 00:03:89:91:37:87


At some point during my tests KBluetoothD told me "Host rejected because 
remote device is only a personal device" but I couldn't reproduce that 
message.

I guess there's a problem with the PIN... from what I read there should be a 
window asking me for PIN but I don't get anything like that.

Could anybody point me in the right direction please? I must be doing 
something wrong...

thanks in advance,
Daniela


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