[Bluez-devel] handsfree or headset support on pc

[Bluez-devel] handsfree or headset support on pc

[andrey larin]

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hi i done a lot searching but don't find anything
about handsfree or headset profile support on pc ( moble phone uses pc
speaker and microphone (so named answer machine ) )
so you are the bluez developers
maybe you can answer me it is curently possible or not

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Re: [Bluez-devel] handsfree or headset support on pc

[robert]

I am working on a project to implement the handsfree profile on a  
pc.  It is still pretty early on, but it is getting there.  A lot of  
the code is written in java, and some of the SCO connection  
management is written in C.  Let me know if you are interested in  
something like that.

cheers,
--robert


On Sep 13, 2007, at 12:34 PM, andrey larin wrote:

> hi i done a lot searching but don't find anything
> about handsfree or headset profile support on pc ( moble phone uses pc
> speaker and microphone (so named answer machine ) )
> so you are the bluez developers
> maybe you can answer me it is curently possible or not
>

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Re: [Bluez-devel] handsfree or headset support on pc

[andrey larin]

[-- Attachment #1.1: Type: text/plain, Size: 1384 bytes --]

after all i see while serching
i think this:

currently software is able to handle this
but requred some tuning

but may be i wrong :)

so i more interested in technical details

if you could provide ... some :)

or say that i wrong and there is requerd a lot of coding

2007/9/13, robert <rbscott@cadvium.net>:
>
> I am working on a project to implement the handsfree profile on a
> pc.  It is still pretty early on, but it is getting there.  A lot of
> the code is written in java, and some of the SCO connection
> management is written in C.  Let me know if you are interested in
> something like that.
>
> cheers,
> --robert
>
>
> On Sep 13, 2007, at 12:34 PM, andrey larin wrote:
>
> > hi i done a lot searching but don't find anything
> > about handsfree or headset profile support on pc ( moble phone uses pc
> > speaker and microphone (so named answer machine ) )
> > so you are the bluez developers
> > maybe you can answer me it is curently possible or not
> >
>
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> Defy all challenges. Microsoft(R) Visual Studio 2005.
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> https://lists.sourceforge.net/lists/listinfo/bluez-devel
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Re: [Bluez-devel] handsfree or headset support on pc

[guoyun]

Hi andrey larin

>>From your description,  the headset need to open visibility to be found. Hope this is not your tiny mistake. :-)

Cheers

-Gawain.


________________________________

	From: bluez-devel-bounces@lists.sourceforge.net [mailto:bluez-devel-bounces@lists.sourceforge.net] On Behalf Of andrey larin
	Sent: Friday, September 14, 2007 4:49 AM
	To: BlueZ development
	Subject: Re: [Bluez-devel] handsfree or headset support on pc
	
	
	after all i see while serching
	i think this:
	
	currently software is able to handle this
	but requred some tuning
	
	but may be i wrong :)
	
	so i more interested in technical details 
	
	if you could provide ... some :)  
	
	or say that i wrong and there is requerd a lot of coding  
	
	
	2007/9/13, robert <rbscott@cadvium.net>: 

		I am working on a project to implement the handsfree profile on a
		pc.  It is still pretty early on, but it is getting there.  A lot of
		the code is written in java, and some of the SCO connection
		management is written in C.  Let me know if you are interested in 
		something like that.
		 
		cheers,
		--robert
		
		
		On Sep 13, 2007, at 12:34 PM, andrey larin wrote:
		
		> hi i done a lot searching but don't find anything
		> about handsfree or headset profile support on pc ( moble phone uses pc 
		> speaker and microphone (so named answer machine ) )
		> so you are the bluez developers
		> maybe you can answer me it is curently possible or not
		>
		
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		_______________________________________________
		Bluez-devel mailing list
		Bluez-devel@lists.sourceforge.net
		https://lists.sourceforge.net/lists/listinfo/bluez-devel
		



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Re: [Bluez-devel] handsfree or headset support on pc

[robert]

Hello Andrey Larin,

The Headset profile has two sides to it.  There is the Audio Gateway 
(AG) which is typically a cell phone, and then the Hands-Free unit (HF).

I think there has been a lot of development on the Audio Gateway(AG)  
side, because it is really useful to be able to play music on your  
computer and have it come out of your bluetooth headphones.

As far as I can tell(and someone please correct me if I am wrong),  
there are not as many projects dedicated to implementing the HF side,  
this is the side one of the projects i am working on is  
implementing.  Essentially there are two channels, the RFCOMM channel  
which essentially acts as the control channel, and then the SCO  
channel which is for sending audio data back and forth.  I wrote a  
program to handle RFCOMM channel and service discovery in java, and  
presently have a basic SCO manager (in c) for the SCO data and am  
working on a way to actually play it.

I hope to put the code online soon, but right now I am trying to  
learn how to use D-BUS in order to make the two parts communicate  
with one another.

Hope that helps,
--robert


On Sep 13, 2007, at 6:45 PM, guoyun wrote:

> Hi andrey larin
>
>> From your description,  the headset need to open visibility to be  
>> found. Hope this is not your tiny mistake. :-)
>
> Cheers
>
> -Gawain.
>
>
> ________________________________
>
> 	From: bluez-devel-bounces@lists.sourceforge.net [mailto:bluez- 
> devel-bounces@lists.sourceforge.net] On Behalf Of andrey larin
> 	Sent: Friday, September 14, 2007 4:49 AM
> 	To: BlueZ development
> 	Subject: Re: [Bluez-devel] handsfree or headset support on pc
> 	
> 	
> 	after all i see while serching
> 	i think this:
> 	
> 	currently software is able to handle this
> 	but requred some tuning
> 	
> 	but may be i wrong :)
> 	
> 	so i more interested in technical details
> 	
> 	if you could provide ... some :)
> 	
> 	or say that i wrong and there is requerd a lot of coding
> 	
> 	


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Re: [Bluez-devel] handsfree or headset support on pc

[andrey larin]

[-- Attachment #1.1: Type: text/plain, Size: 3136 bytes --]

ok here is what i think:
there is no problem to create and communicate rfcomm

i don't know what connection must be make to control the audio( special
rfcomm to audiogateway on phone or usual  rfcomm to ssp on phone)

must unreserched area is how to handle the audio managment ( open, support
,close, route audio from pc microphone to phone ,from phone to pc speakers)


so

when i connect on my phones spp
and make call to my cell phone
on terminal my phone says `RING`
i need to command the to make an audio connection (SCO)
and route this connections

how to do this ?


2007/9/14, robert <rbscott@cadvium.net>:
>
> Hello Andrey Larin,
>
> The Headset profile has two sides to it.  There is the Audio Gateway
> (AG) which is typically a cell phone, and then the Hands-Free unit (HF).
>
> I think there has been a lot of development on the Audio Gateway(AG)
> side, because it is really useful to be able to play music on your
> computer and have it come out of your bluetooth headphones.
>
> As far as I can tell(and someone please correct me if I am wrong),
> there are not as many projects dedicated to implementing the HF side,
> this is the side one of the projects i am working on is
> implementing.  Essentially there are two channels, the RFCOMM channel
> which essentially acts as the control channel, and then the SCO
> channel which is for sending audio data back and forth.  I wrote a
> program to handle RFCOMM channel and service discovery in java, and
> presently have a basic SCO manager (in c) for the SCO data and am
> working on a way to actually play it.
>
> I hope to put the code online soon, but right now I am trying to
> learn how to use D-BUS in order to make the two parts communicate
> with one another.
>
> Hope that helps,
> --robert
>
>
> On Sep 13, 2007, at 6:45 PM, guoyun wrote:
>
> > Hi andrey larin
> >
> >> From your description,  the headset need to open visibility to be
> >> found. Hope this is not your tiny mistake. :-)
> >
> > Cheers
> >
> > -Gawain.
> >
> >
> > ________________________________
> >
> >       From: bluez-devel-bounces@lists.sourceforge.net [mailto:bluez-
> > devel-bounces@lists.sourceforge.net] On Behalf Of andrey larin
> >       Sent: Friday, September 14, 2007 4:49 AM
> >       To: BlueZ development
> >       Subject: Re: [Bluez-devel] handsfree or headset support on pc
> >
> >
> >       after all i see while serching
> >       i think this:
> >
> >       currently software is able to handle this
> >       but requred some tuning
> >
> >       but may be i wrong :)
> >
> >       so i more interested in technical details
> >
> >       if you could provide ... some :)
> >
> >       or say that i wrong and there is requerd a lot of coding
> >
> >
>
>
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> Defy all challenges. Microsoft(R) Visual Studio 2005.
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Re: [Bluez-devel] handsfree or headset support on pc

[robert]

so here is a sample of the c part that I am writing.  (from your  
description, it seems that you and I are doing something similar).   
This is a pretty primitive code sample, and there are examples 
(probably better) in bluez-utils that do similar things.   
Furthermore, this presently only handles the speaker, not the mic.   
The second part is an easy addition.

http://www.cadvium.net/files/source/sco-manager.tar.gz

  gpl

 > make
## basically, you start it up with a file. (the bluetooth address is  
ignored but should be formatted properly).
 > sco-manager <bluetooth-address> <file-name>

This will listen for an sco connection on the first bluetooth device  
that it finds.  It will then take any data that it receives and write  
it into the file specified on the command line.  (I think it also  
generates a tonne of debugging too).

This is more useful if you specify a pipe for the file:
 > mkfifo test.sco
## Setup voice correctly
 > sudo hciconfig hci0 voice 0x0060
 > cat test.sco | aplay -f S16 &
 > sco-manager <bluetooth-address> test.sco

At this point, if you make a call, it will send the audio through out  
your speakers.  (Make sure to turn them down, if something isn't  
setup properly it makes a terrible noise).

hope this helps,
--robert








On Sep 13, 2007, at 10:17 PM, andrey larin wrote:

> ok here is what i think:
> there is no problem to create and communicate rfcomm
>
> i don't know what connection must be make to control the audio 
> ( special rfcomm to audiogateway on phone or usual  rfcomm to ssp  
> on phone)
>
> must unreserched area is how to handle the audio managment ( open,  
> support ,close, route audio from pc microphone to phone ,from phone  
> to pc speakers)
>
>
> so
>
> when i connect on my phones spp
> and make call to my cell phone
> on terminal my phone says `RING`
> i need to command the to make an audio connection (SCO)
> and route this connections
>
> how to do this ?
>
>
>

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Re: [Bluez-devel] handsfree or headset support on pc

[andrey larin]

[-- Attachment #1.1: Type: text/plain, Size: 2716 bytes --]

i try to do something similar but
last time a wrote programs was wery long ago so
i don't understud your code in proper :((
but i tried to do as you say

and nothing happens

coud you explain what your code exactly do ?


2007/9/14, robert <rbscott@cadvium.net>:
>
> so here is a sample of the c part that I am writing.  (from your
> description, it seems that you and I are doing something similar).
> This is a pretty primitive code sample, and there are examples
> (probably better) in bluez-utils that do similar things.
> Furthermore, this presently only handles the speaker, not the mic.
> The second part is an easy addition.
>
> http://www.cadvium.net/files/source/sco-manager.tar.gz
>
>   gpl
>
> > make
> ## basically, you start it up with a file. (the bluetooth address is
> ignored but should be formatted properly).
> > sco-manager <bluetooth-address> <file-name>
>
> This will listen for an sco connection on the first bluetooth device
> that it finds.  It will then take any data that it receives and write
> it into the file specified on the command line.  (I think it also
> generates a tonne of debugging too).
>
> This is more useful if you specify a pipe for the file:
> > mkfifo test.sco
> ## Setup voice correctly
> > sudo hciconfig hci0 voice 0x0060
> > cat test.sco | aplay -f S16 &
> > sco-manager <bluetooth-address> test.sco
>
> At this point, if you make a call, it will send the audio through out
> your speakers.  (Make sure to turn them down, if something isn't
> setup properly it makes a terrible noise).
>
> hope this helps,
> --robert
>
>
>
>
>
>
>
>
> On Sep 13, 2007, at 10:17 PM, andrey larin wrote:
>
> > ok here is what i think:
> > there is no problem to create and communicate rfcomm
> >
> > i don't know what connection must be make to control the audio
> > ( special rfcomm to audiogateway on phone or usual  rfcomm to ssp
> > on phone)
> >
> > must unreserched area is how to handle the audio managment ( open,
> > support ,close, route audio from pc microphone to phone ,from phone
> > to pc speakers)
> >
> >
> > so
> >
> > when i connect on my phones spp
> > and make call to my cell phone
> > on terminal my phone says `RING`
> > i need to command the to make an audio connection (SCO)
> > and route this connections
> >
> > how to do this ?
> >
> >
> >
>
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Re: [Bluez-devel] handsfree or headset support on pc

[robert]

Hello Andrey,

let me back up for a second and ask how you are trying to access the  
handsfree?

Is the phone paired with your computer?
Is the phone paired with your computer as a Handsfree device?
What kind of phone are you using?
For your RFCOMM channel, are you connecting to the channel  channel  
are you connecting to on the phone?
How are you handing the RFCOMM processing?

I left out some steps about Service Discovery and Pairing that I  
assumed you already completed.

--robert

On Sep 14, 2007, at 12:39 AM, andrey larin wrote:

> i try to do something similar but
> last time a wrote programs was wery long ago so
> i don't understud your code in proper :((
> but i tried to do as you say
>
> and nothing happens
>
> coud you explain what your code exactly do ?
>
>


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Re: [Bluez-devel] handsfree or headset support on pc

[andrey larin]

[-- Attachment #1.1: Type: text/plain, Size: 1775 bytes --]

well
what i do..
in gentoo and testing 2 phones SonyEricsson-w800 and Nokia 5200

install bluez

registered HF service using sdptool

using hcitool and sdptool
finding phone and it rfcomm channel
on phone i set that my pc is can always connect to phone
binding using rfcomm to /dev/rfcomm0
and just using minicom

i even make a stupid script in bash to connect to rfcomm on phone

when the ring comes i try at command to request audio channel

but nothing

maybe same thing foget to tell

2007/9/14, robert <rbscott@cadvium.net>:
>
> Hello Andrey,
>
> let me back up for a second and ask how you are trying to access the
> handsfree?
>
> Is the phone paired with your computer?
> Is the phone paired with your computer as a Handsfree device?
> What kind of phone are you using?
> For your RFCOMM channel, are you connecting to the channel  channel
> are you connecting to on the phone?
> How are you handing the RFCOMM processing?
>
> I left out some steps about Service Discovery and Pairing that I
> assumed you already completed.
>
> --robert
>
> On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
>
> > i try to do something similar but
> > last time a wrote programs was wery long ago so
> > i don't understud your code in proper :((
> > but i tried to do as you say
> >
> > and nothing happens
> >
> > coud you explain what your code exactly do ?
> >
> >
>
>
> -------------------------------------------------------------------------
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> Defy all challenges. Microsoft(R) Visual Studio 2005.
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Re: [Bluez-devel] handsfree or headset support on pc

[andrey larin]

[-- Attachment #1.1: Type: text/plain, Size: 2326 bytes --]

well the things i want to make samethin like phonecontrol.net in windows

for managing telephone and other there is a good tool gammu

and when the call comes or maked i want to establish audio connection

so i want to make it work after HF profile is registred and listening
service is running
as i understand the audio is channelles

the listening service is the goal



2007/9/14, andrey larin <ubergitler@gmail.com>:
>
> well
> what i do..
> in gentoo and testing 2 phones SonyEricsson-w800 and Nokia 5200
>
> install bluez
>
> registered HF service using sdptool
>
> using hcitool and sdptool
> finding phone and it rfcomm channel
> on phone i set that my pc is can always connect to phone
> binding using rfcomm to /dev/rfcomm0
> and just using minicom
>
> i even make a stupid script in bash to connect to rfcomm on phone
>
> when the ring comes i try at command to request audio channel
>
> but nothing
>
> maybe same thing foget to tell
>
> 2007/9/14, robert <rbscott@cadvium.net>:
> >
> > Hello Andrey,
> >
> > let me back up for a second and ask how you are trying to access the
> > handsfree?
> >
> > Is the phone paired with your computer?
> > Is the phone paired with your computer as a Handsfree device?
> > What kind of phone are you using?
> > For your RFCOMM channel, are you connecting to the channel  channel
> > are you connecting to on the phone?
> > How are you handing the RFCOMM processing?
> >
> > I left out some steps about Service Discovery and Pairing that I
> > assumed you already completed.
> >
> > --robert
> >
> > On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
> >
> > > i try to do something similar but
> > > last time a wrote programs was wery long ago so
> > > i don't understud your code in proper :((
> > > but i tried to do as you say
> > >
> > > and nothing happens
> > >
> > > coud you explain what your code exactly do ?
> > >
> > >
> >
> >
> > -------------------------------------------------------------------------
> >
> > This SF.net email is sponsored by: Microsoft
> > Defy all challenges. Microsoft(R) Visual Studio 2005.
> > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
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> > Bluez-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/bluez-devel
> >
>
>

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Re: [Bluez-devel] handsfree or headset support on pc

[robert]

[-- Attachment #1.1: Type: text/plain, Size: 4362 bytes --]

I am not sure if that will work, unless the phone recognizes your  
computer as a handsfree device.  Normally there is a step in the  
phone where you have to add a handsfree device, and then you have to  
go through a handshake on that channel.

Also, make sure that you are connecting to the correct channel.  If  
you run

 >sdptool browse <bluetooth address of phone>

One should look like
Service Name: Handsfree Voice Gateway
Service Description: Handsfree Voice Gateway
Service Provider: /a/mobile/system/cl.gif
Service RecHandle: 0x10007
Service Class ID List:
   "Handfree Audio Gateway" (0x111f)
   "Generic Audio" (0x1203)
Protocol Descriptor List:
   "L2CAP" (0x0100)
   "RFCOMM" (0x0003)
     Channel: 7
Language Base Attr List:
   code_ISO639: 0x656e
   encoding:    0x6a
   base_offset: 0x100
   code_ISO639: 0x6672
   encoding:    0x6a
   base_offset: 0xc800
   code_ISO639: 0x6573
   encoding:    0x6a
   base_offset: 0xc803
   code_ISO639: 0x7074
   encoding:    0x6a
   base_offset: 0xc806
Profile Descriptor List:
   "Handsfree" (0x111e)
     Version: 0x0101

You have to connect to (or bind in your case) to rfcomm channel 7 (in  
this example).  Otherwise, the phone will not recognize that you are  
trying to connect as a headset.

Second, you have to complete the handshake defined inside of the  
bluetooth headset profile.  Once again, otherwise the phone will not  
recognize you as a headset.

There are a lot of little gotchas like this that are kind of hard to  
track down.  Once I figure them all out, I hope to write an article  
on my site, alongside of the code I release.

cheers,
--robert

On Sep 14, 2007, at 10:48 AM, andrey larin wrote:

> well the things i want to make samethin like phonecontrol.net in  
> windows
>
> for managing telephone and other there is a good tool gammu
>
> and when the call comes or maked i want to establish audio connection
>
> so i want to make it work after HF profile is registred and  
> listening service is running
> as i understand the audio is channelles
>
> the listening service is the goal
>
>
>
> 2007/9/14, andrey larin <ubergitler@gmail.com>:
> well
> what i do..
> in gentoo and testing 2 phones SonyEricsson-w800 and Nokia 5200
>
> install bluez
>
> registered HF service using sdptool
>
> using hcitool and sdptool
> finding phone and it rfcomm channel
> on phone i set that my pc is can always connect to phone
> binding using rfcomm to /dev/rfcomm0
> and just using minicom
>
> i even make a stupid script in bash to connect to rfcomm on phone
>
> when the ring comes i try at command to request audio channel
>
> but nothing
>
> maybe same thing foget to tell
>
> 2007/9/14, robert < rbscott@cadvium.net>:
> Hello Andrey,
>
> let me back up for a second and ask how you are trying to access the
> handsfree?
>
> Is the phone paired with your computer?
> Is the phone paired with your computer as a Handsfree device?
> What kind of phone are you using?
> For your RFCOMM channel, are you connecting to the channel  channel
> are you connecting to on the phone?
> How are you handing the RFCOMM processing?
>
> I left out some steps about Service Discovery and Pairing that I
> assumed you already completed.
>
> --robert
>
> On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
>
> > i try to do something similar but
> > last time a wrote programs was wery long ago so
> > i don't understud your code in proper :((
> > but i tried to do as you say
> >
> > and nothing happens
> >
> > coud you explain what your code exactly do ?
> >
> >
>
>
> ---------------------------------------------------------------------- 
> ---
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> Bluez-devel mailing list
> Bluez-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
>
> ---------------------------------------------------------------------- 
> ---
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
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Re: [Bluez-devel] handsfree or headset support on pc

[andrey larin]

[-- Attachment #1.1: Type: text/plain, Size: 5235 bytes --]

here is one of the moment
did i must bind rfcomm to phone channel where the serial port is shown or to
where the audio gateway is shown ?

2007/9/14, robert <rbscott@cadvium.net>:
>
> I am not sure if that will work, unless the phone recognizes your computer
> as a handsfree device.  Normally there is a step in the phone where you have
> to add a handsfree device, and then you have to go through a handshake on
> that channel.
> Also, make sure that you are connecting to the correct channel.  If you
> run
>
> >sdptool browse <bluetooth address of phone>
>
> One should look like
> Service Name: Handsfree Voice Gateway
> Service Description: Handsfree Voice Gateway
> Service Provider: /a/mobile/system/cl.gif
> Service RecHandle: 0x10007
> Service Class ID List:
>   "Handfree Audio Gateway" (0x111f)
>   "Generic Audio" (0x1203)
> Protocol Descriptor List:
>   "L2CAP" (0x0100)
>   "RFCOMM" (0x0003)
>     Channel: 7
> Language Base Attr List:
>   code_ISO639: 0x656e
>   encoding:    0x6a
>   base_offset: 0x100
>   code_ISO639: 0x6672
>   encoding:    0x6a
>   base_offset: 0xc800
>   code_ISO639: 0x6573
>   encoding:    0x6a
>   base_offset: 0xc803
>   code_ISO639: 0x7074
>   encoding:    0x6a
>   base_offset: 0xc806
> Profile Descriptor List:
>   "Handsfree" (0x111e)
>     Version: 0x0101
>
> You have to connect to (or bind in your case) to rfcomm channel 7 (in this
> example).  Otherwise, the phone will not recognize that you are trying to
> connect as a headset.
>
> Second, you have to complete the handshake defined inside of the bluetooth
> headset profile.  Once again, otherwise the phone will not recognize you as
> a headset.
>
> There are a lot of little gotchas like this that are kind of hard to track
> down.  Once I figure them all out, I hope to write an article on my site,
> alongside of the code I release.
>
> cheers,
> --robert
>
> On Sep 14, 2007, at 10:48 AM, andrey larin wrote:
>
> well the things i want to make samethin like phonecontrol.net in windows
>
> for managing telephone and other there is a good tool gammu
>
> and when the call comes or maked i want to establish audio connection
>
> so i want to make it work after HF profile is registred and listening
> service is running
> as i understand the audio is channelles
>
> the listening service is the goal
>
>
>
> 2007/9/14, andrey larin <ubergitler@gmail.com>:
> >
> > well
> > what i do..
> > in gentoo and testing 2 phones SonyEricsson-w800 and Nokia 5200
> >
> > install bluez
> >
> > registered HF service using sdptool
> >
> > using hcitool and sdptool
> > finding phone and it rfcomm channel
> > on phone i set that my pc is can always connect to phone
> > binding using rfcomm to /dev/rfcomm0
> > and just using minicom
> >
> > i even make a stupid script in bash to connect to rfcomm on phone
> >
> > when the ring comes i try at command to request audio channel
> >
> > but nothing
> >
> > maybe same thing foget to tell
> >
> > 2007/9/14, robert < rbscott@cadvium.net>:
> > >
> > > Hello Andrey,
> > >
> > > let me back up for a second and ask how you are trying to access the
> > > handsfree?
> > >
> > > Is the phone paired with your computer?
> > > Is the phone paired with your computer as a Handsfree device?
> > > What kind of phone are you using?
> > > For your RFCOMM channel, are you connecting to the channel  channel
> > > are you connecting to on the phone?
> > > How are you handing the RFCOMM processing?
> > >
> > > I left out some steps about Service Discovery and Pairing that I
> > > assumed you already completed.
> > >
> > > --robert
> > >
> > > On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
> > >
> > > > i try to do something similar but
> > > > last time a wrote programs was wery long ago so
> > > > i don't understud your code in proper :((
> > > > but i tried to do as you say
> > > >
> > > > and nothing happens
> > > >
> > > > coud you explain what your code exactly do ?
> > > >
> > > >
> > >
> > >
> > > -------------------------------------------------------------------------
> > >
> > > This SF.net email is sponsored by: Microsoft
> > > Defy all challenges. Microsoft(R) Visual Studio 2005.
> > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > > _______________________________________________
> > > Bluez-devel mailing list
> > > Bluez-devel@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/bluez-devel
> > >
> >
> >
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
>
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/_______________________________________________
> Bluez-devel mailing list
> Bluez-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
>
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
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> Bluez-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
>

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Re: [Bluez-devel] handsfree or headset support on pc

[robert]

[-- Attachment #1.1: Type: text/plain, Size: 5930 bytes --]

Audio Gateway.

Serial Port is a generic serial port that can be used for arbitrary  
communication with the phone.  Audio Gateway is for the handset.  I  
do not believe the phone will attempt to establish an SCO connection  
with a device that is not connected over one of the Audio Gateway  
channels.

--robert

On Sep 14, 2007, at 11:31 AM, andrey larin wrote:

> here is one of the moment
> did i must bind rfcomm to phone channel where the serial port is  
> shown or to where the audio gateway is shown ?
>
> 2007/9/14, robert < rbscott@cadvium.net>:
> I am not sure if that will work, unless the phone recognizes your  
> computer as a handsfree device.  Normally there is a step in the  
> phone where you have to add a handsfree device, and then you have  
> to go through a handshake on that channel.
>
> Also, make sure that you are connecting to the correct channel.  If  
> you run
>
> >sdptool browse <bluetooth address of phone>
>
> One should look like
> Service Name: Handsfree Voice Gateway
> Service Description: Handsfree Voice Gateway
> Service Provider: /a/mobile/system/cl.gif
> Service RecHandle: 0x10007
> Service Class ID List:
>   "Handfree Audio Gateway" (0x111f)
>   "Generic Audio" (0x1203)
> Protocol Descriptor List:
>   "L2CAP" (0x0100)
>   "RFCOMM" (0x0003)
>     Channel: 7
> Language Base Attr List:
>   code_ISO639: 0x656e
>   encoding:    0x6a
>   base_offset: 0x100
>   code_ISO639: 0x6672
>   encoding:    0x6a
>   base_offset: 0xc800
>   code_ISO639: 0x6573
>   encoding:    0x6a
>   base_offset: 0xc803
>   code_ISO639: 0x7074
>   encoding:    0x6a
>   base_offset: 0xc806
> Profile Descriptor List:
>   "Handsfree" (0x111e)
>     Version: 0x0101
>
> You have to connect to (or bind in your case) to rfcomm channel 7  
> (in this example).  Otherwise, the phone will not recognize that  
> you are trying to connect as a headset.
>
> Second, you have to complete the handshake defined inside of the  
> bluetooth headset profile.  Once again, otherwise the phone will  
> not recognize you as a headset.
>
> There are a lot of little gotchas like this that are kind of hard  
> to track down.  Once I figure them all out, I hope to write an  
> article on my site, alongside of the code I release.
>
> cheers,
> --robert
>
> On Sep 14, 2007, at 10:48 AM, andrey larin wrote:
>
>> well the things i want to make samethin like phonecontrol.net in  
>> windows
>>
>> for managing telephone and other there is a good tool gammu
>>
>> and when the call comes or maked i want to establish audio connection
>>
>> so i want to make it work after HF profile is registred and  
>> listening service is running
>> as i understand the audio is channelles
>>
>> the listening service is the goal
>>
>>
>>
>> 2007/9/14, andrey larin < ubergitler@gmail.com>:
>> well
>> what i do..
>> in gentoo and testing 2 phones SonyEricsson-w800 and Nokia 5200
>>
>> install bluez
>>
>> registered HF service using sdptool
>>
>> using hcitool and sdptool
>> finding phone and it rfcomm channel
>> on phone i set that my pc is can always connect to phone
>> binding using rfcomm to /dev/rfcomm0
>> and just using minicom
>>
>> i even make a stupid script in bash to connect to rfcomm on phone
>>
>> when the ring comes i try at command to request audio channel
>>
>> but nothing
>>
>> maybe same thing foget to tell
>>
>> 2007/9/14, robert < rbscott@cadvium.net>:
>> Hello Andrey,
>>
>> let me back up for a second and ask how you are trying to access the
>> handsfree?
>>
>> Is the phone paired with your computer?
>> Is the phone paired with your computer as a Handsfree device?
>> What kind of phone are you using?
>> For your RFCOMM channel, are you connecting to the channel  channel
>> are you connecting to on the phone?
>> How are you handing the RFCOMM processing?
>>
>> I left out some steps about Service Discovery and Pairing that I
>> assumed you already completed.
>>
>> --robert
>>
>> On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
>>
>> > i try to do something similar but
>> > last time a wrote programs was wery long ago so
>> > i don't understud your code in proper :((
>> > but i tried to do as you say
>> >
>> > and nothing happens
>> >
>> > coud you explain what your code exactly do ?
>> >
>> >
>>
>>
>> --------------------------------------------------------------------- 
>> ----
>> This SF.net email is sponsored by: Microsoft
>> Defy all challenges. Microsoft(R) Visual Studio 2005.
>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
>> _______________________________________________
>> Bluez-devel mailing list
>> Bluez-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>>
>>
>> --------------------------------------------------------------------- 
>> ----
>> This SF.net email is sponsored by: Microsoft
>> Defy all challenges. Microsoft(R) Visual Studio 2005.
>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ 
>> _______________________________________________
>> Bluez-devel mailing list
>> Bluez-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
>
> ---------------------------------------------------------------------- 
> ---
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> Bluez-devel mailing list
> Bluez-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
>
> ---------------------------------------------------------------------- 
> ---
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ 
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