[Bluez-users] bluetooth USB device Class for Audio Handoff.

[Bluez-users] bluetooth USB device Class for Audio Handoff.

[mv2147]

Hi everyone,

    I am developing a SIP based application for RTP audio handoff
between bluetooth headsets while a call session is in progress.
I am using Dlink DBT-120 adapters and Jabra-250v headsets.
Unfortunately, the correct class of the Dlink DBT-120 is not being
recognized. Though it is able to discover the headset, it is not able
to connect the headset.
I am able to change the class with....

hciconfig hci0 class 0x3e0100, but this does not help.

Can someone help me out with the firmware upgrade or
bluetooth setup?
Please see below for details...
root@lirr sipua]# btsco 00:07:A4:26:8D:3F
Error: Failed to connect to SDP server: Function not implemented  !!!
Assuming channel 2

[root@lirr kernel]# hciconfig -a
hci0:   Type: USB
        BD Address: 00:13:46:4C:0B:8B ACL MTU: 192:8 SCO MTU: 64:8
        UP RUNNING PSCAN ISCAN
        RX bytes:1570 acl:0 sco:0 events:59 errors:0
        TX bytes:347 acl:0 sco:0 commands:40 errors:0
        Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: RSWITCH HOLD SNIFF PARK
        Link mode: SLAVE ACCEPT
        Name: 'lirr.cs.columbia.edu-0'
        Class: 0x000000 --------------------------???!!!!!!
        Service Classes: Unspecified --------------????!!!!
        Device Class: Miscellaneous,--------------????!!!!
        HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP Subver:
0x20d
        Manufacturer: Cambridge Silicon Radio (10)





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[Bluez-users] bluez - a general plea for help :)

[Ian Miller]

Hi folks,

I posted a query here a while back, but then decided I didn't know 
enough of what I was doing to continue, so went back to re-read 
the HOWTOs. Having done that, however, I still find that I'm 
none the wiser!

So, could you guys give me a few hints to get me started on the
right track..? 

Basically, I have a Palm Vx with a TDK Systems Blue5 attachment, and a 
USB dongle connected to my linux box (running Fedora Core 4). What I 
would like to do is set up a BT connection to transfer data back and 
forth using pilot-link. My problem is, I don't know what the major
high level steps towards achieving this goal are - e.g. what should
actually happen when a pair is achieved? How is the data transfered -
is it through the /dev/rfcomm0 device, as though this were a serial
device?

My current status is that I can see the Palm from the linux machine
and vice versa - but I'm unable to get them to pair - however, from
this point on, I've been going round in circles, primarily because 
I don't really know what *should* happen when they *do* pair!

Any advice greatly appreciated!

Yours in confusion,

Ian
 




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