[Bluez-users] Problem with dund and LG 325 phone.

[Bluez-users] Problem with dund and LG 325 phone.

[Eric Vaandering]

I have an LG PM-325 which I am trying to get DUN working with. It works under
Windows, but I want to use linux.

I think the two devices are paired since I can do l2ping and get responses,
but I still seem to be a few steps away from being able to do DUN.

When I type this, I expect to get a success message back, right? Instead I get 
nothing:

[root@a122077 root]# dund -c 08:00:37:13:A1:C7 -n
dund[5586]: Bluetooth DUN daemon
dund[5586]: Searching for LAP on 08:00:37:13:A1:C7
[root@a122077 root]#

I don't have to do anything with rfcomm before this, right? I also don't need 
to run pand, right, since my device only supports DUN.

When I try to do a pppd call command, I get this in syslog:
May 26 14:43:02 a122077 kernel: PPP generic driver version 2.4.2
May 26 14:43:02 a122077 pppd[5708]: pppd 2.4.3 started by root, uid 0
May 26 14:43:03 a122077 hcid[3602]: link_key_request (sba=00:10:60:AA:5C:CE, 
dba=08:00:37:13:A1:C7)
May 26 14:43:03 a122077 pppd[5708]: Failed to open /dev/rfcomm0: Connection 
refused
May 26 14:43:03 a122077 pppd[5708]: Exit.

which isn't surprising.


Thanks for any help you can give,

Eric




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Re: [Bluez-users] Problem with dund and LG 325 phone.

[Marcel Holtmann]

Hi Eric,

> I have an LG PM-325 which I am trying to get DUN working with. It works under
> Windows, but I want to use linux.
> 
> I think the two devices are paired since I can do l2ping and get responses,
> but I still seem to be a few steps away from being able to do DUN.
> 
> When I type this, I expect to get a success message back, right? Instead I get 
> nothing:
> 
> [root@a122077 root]# dund -c 08:00:37:13:A1:C7 -n
> dund[5586]: Bluetooth DUN daemon
> dund[5586]: Searching for LAP on 08:00:37:13:A1:C7
> [root@a122077 root]#
> 
> I don't have to do anything with rfcomm before this, right? I also don't need 
> to run pand, right, since my device only supports DUN.
> 
> When I try to do a pppd call command, I get this in syslog:
> May 26 14:43:02 a122077 kernel: PPP generic driver version 2.4.2
> May 26 14:43:02 a122077 pppd[5708]: pppd 2.4.3 started by root, uid 0
> May 26 14:43:03 a122077 hcid[3602]: link_key_request (sba=00:10:60:AA:5C:CE, 
> dba=08:00:37:13:A1:C7)
> May 26 14:43:03 a122077 pppd[5708]: Failed to open /dev/rfcomm0: Connection 
> refused
> May 26 14:43:03 a122077 pppd[5708]: Exit.
> 
> which isn't surprising.

using dund for Dialup-Networking is the wrong way. The dund is for LAN
access using PPP. And yes, I know that the name is confusing.

What you need is to find the RFCOMM channel number for Dialup-Networking
with the help of

	sdptool search --bdaddr <bdaddr> dun

and then you bind a RFCOMM TTY port to that channel with

	rfcomm bind 0 <bdaddr> <channel>

After that you can use any dialer (for example wvdial) to setup your
dialup connection through /dev/rfcomm0.

Regards

Marcel




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Re: [Bluez-users] Problem with dund and LG 325 phone.

[Eric Vaandering]

Marcel, thanks that helped and at one point I got the phone dialing, but not 
anymore. I'm still getting "Connection refused" errors. The computer and phone 
are definitely paired since I can use kbthandsfree.

If I issue these commands:

   748  echo 1 > /proc/sys/net/ipv4/ip_forward
   749  rfcomm bind 0 08:00:37:13:A1:C7 4
   750  pppd /dev/rfcomm0 debug nocrtscts novj novjccomp defaultroute connect 
'chat -v -f /root/sprint-chat'

May 26 20:38:12 localhost pppd[4987]: pppd 2.4.3 started by root, uid 0
May 26 20:38:13 localhost hcid[3622]: link_key_request (sba=00:10:60:AA:5C:CE, 
dba=08:00:37:13:A1:C7)
May 26 20:38:13 localhost pppd[4987]: Failed to open /dev/rfcomm0: Connection 
refused
May 26 20:38:13 localhost pppd[4987]: Exit.

This is what hcidump shows (sorry for the length, but I don't know what's 
important)

# hcidump
HCIDump - HCI packet analyzer ver 1.12
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Create Connection (0x01|0x0005) plen 13
 > HCI Event: Command Status (0x0f) plen 4
 > HCI Event: Link Key Request (0x17) plen 6
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
 > HCI Event: Command Complete (0x0e) plen 10
 > HCI Event: Connect Complete (0x03) plen 11
< ACL data: handle 0x0029 flags 0x02 dlen 12
     L2CAP(s): Connect req: psm 3 scid 0x0040
< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
 > HCI Event: Command Complete (0x0e) plen 6
 > HCI Event: Number of Completed Packets (0x13) plen 5
 > HCI Event: Max Slots Change (0x1b) plen 3
 > ACL data: handle 0x0029 flags 0x02 dlen 16
     L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 0 status 0
< ACL data: handle 0x0029 flags 0x02 dlen 16
     L2CAP(s): Config req: dcid 0x0040 flags 0x0000 clen 4
     MTU 1024
 > ACL data: handle 0x0029 flags 0x02 dlen 16
     L2CAP(s): Config req: dcid 0x0040 flags 0x0000 clen 4
     MTU 675
< ACL data: handle 0x0029 flags 0x02 dlen 14
     L2CAP(s): Config rsp: scid 0x0040 flags 0x0000 result 0 clen 0
 > HCI Event: Number of Completed Packets (0x13) plen 5
 > HCI Event: Number of Completed Packets (0x13) plen 5
 > ACL data: handle 0x0029 flags 0x02 dlen 14
     L2CAP(s): Config rsp: scid 0x0040 flags 0x0000 result 0 clen 0
< ACL data: handle 0x0029 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
 > HCI Event: Number of Completed Packets (0x13) plen 5
 > ACL data: handle 0x0029 flags 0x02 dlen 8
     L2CAP(d): cid 0x0040 len 4 [psm 3]
       RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7
< ACL data: handle 0x0029 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 8 frame_type 0 credit_flow 15 pri 7 ack_timer 0
       frame_size 670 max_retrans 0 credits 7
 > HCI Event: Number of Completed Packets (0x13) plen 5
 > ACL data: handle 0x0029 flags 0x02 dlen 8
     L2CAP(d): cid 0x0040 len 4 [psm 3]
       RFCOMM(s): DM: cr 1 dlci 8 pf 0 ilen 0 fcs 0xf6
< ACL data: handle 0x0029 flags 0x02 dlen 8
     L2CAP(d): cid 0x0040 len 4 [psm 3]
       RFCOMM(s): DISC: cr 1 dlci 0 pf 1 ilen 0 fcs 0xfd
< ACL data: handle 0x0029 flags 0x02 dlen 12
     L2CAP(s): Disconn req: dcid 0x0040 scid 0x0040
 > HCI Event: Number of Completed Packets (0x13) plen 5
 > HCI Event: Number of Completed Packets (0x13) plen 5
 > ACL data: handle 0x0029 flags 0x02 dlen 8
     L2CAP(d): cid 0x0040 len 4 [psm 3]
       RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7
 > ACL data: handle 0x0029 flags 0x02 dlen 12
     L2CAP(s): Disconn rsp: dcid 0x0040 scid 0x0040
 > HCI Event: Disconn Complete (0x05) plen 4
< HCI Command: Inquiry (0x01|0x0001) plen 5
 > HCI Event: Command Status (0x0f) plen 4
 > HCI Event: Inquiry Result (0x02) plen 15
 > HCI Event: Inquiry Complete (0x01) plen 1

after this, even cat or echo to rfcomm0 gives me a connection refused error.

Thanks for any help,

Eric



Marcel Holtmann wrote:
> Hi Eric,
> 
> 
>>I have an LG PM-325 which I am trying to get DUN working with. It works under
>>Windows, but I want to use linux.
>>
>>I think the two devices are paired since I can do l2ping and get responses,
>>but I still seem to be a few steps away from being able to do DUN.
>>
>>When I type this, I expect to get a success message back, right? Instead I get 
>>nothing:
>>
>>[root@a122077 root]# dund -c 08:00:37:13:A1:C7 -n
>>dund[5586]: Bluetooth DUN daemon
>>dund[5586]: Searching for LAP on 08:00:37:13:A1:C7
>>[root@a122077 root]#
>>
>>I don't have to do anything with rfcomm before this, right? I also don't need 
>>to run pand, right, since my device only supports DUN.
>>
>>When I try to do a pppd call command, I get this in syslog:
>>May 26 14:43:02 a122077 kernel: PPP generic driver version 2.4.2
>>May 26 14:43:02 a122077 pppd[5708]: pppd 2.4.3 started by root, uid 0
>>May 26 14:43:03 a122077 hcid[3602]: link_key_request (sba=00:10:60:AA:5C:CE, 
>>dba=08:00:37:13:A1:C7)
>>May 26 14:43:03 a122077 pppd[5708]: Failed to open /dev/rfcomm0: Connection 
>>refused
>>May 26 14:43:03 a122077 pppd[5708]: Exit.
>>
>>which isn't surprising.
> 
> 
> using dund for Dialup-Networking is the wrong way. The dund is for LAN
> access using PPP. And yes, I know that the name is confusing.
> 
> What you need is to find the RFCOMM channel number for Dialup-Networking
> with the help of
> 
> 	sdptool search --bdaddr <bdaddr> dun
> 
> and then you bind a RFCOMM TTY port to that channel with
> 
> 	rfcomm bind 0 <bdaddr> <channel>
> 
> After that you can use any dialer (for example wvdial) to setup your
> dialup connection through /dev/rfcomm0.
> 
> Regards
> 
> Marcel


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Re: [Bluez-users] Problem with dund and LG 325 phone.

[Marcel Holtmann]

Hi Eric,

> thanks that helped and at one point I got the phone dialing, but not 
> anymore. I'm still getting "Connection refused" errors. The computer and phone 
> are definitely paired since I can use kbthandsfree.
> 
> If I issue these commands:
> 
>    748  echo 1 > /proc/sys/net/ipv4/ip_forward
>    749  rfcomm bind 0 08:00:37:13:A1:C7 4
>    750  pppd /dev/rfcomm0 debug nocrtscts novj novjccomp defaultroute connect 
> 'chat -v -f /root/sprint-chat'
> 
> May 26 20:38:12 localhost pppd[4987]: pppd 2.4.3 started by root, uid 0
> May 26 20:38:13 localhost hcid[3622]: link_key_request (sba=00:10:60:AA:5C:CE, 
> dba=08:00:37:13:A1:C7)
> May 26 20:38:13 localhost pppd[4987]: Failed to open /dev/rfcomm0: Connection 
> refused
> May 26 20:38:13 localhost pppd[4987]: Exit.
> 
> This is what hcidump shows (sorry for the length, but I don't know what's 
> important)

try to reset/reboot your phone and check the RFCOMM channel number again
with sdptool. It looks like that this channel is no longer accepting new
connections.

Regards

Marcel




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Re: [Bluez-users] Problem with dund and LG 325 phone.

[Eric Vaandering]

Yes, that was it. I'm now happily connected with pppd on channel *5*. I 
thought those would be fixed in stone for the phone model.

John, as to how to pair the phone and the PC.

First, under "Setting -> Setup/Others" choose to update your software. 
I'm on v18. Apparently v17 and v18 have updates for BT.

Then on Settings -> Bluetooth turn visibility on and also change your BT 
name if you want.

Then under Bluetooth from the *Main* menu, enable BT and do "Add New." 
and also click "enable" for the computer, which will enable DUN. I think 
you can either choose to search and pair or just wait for pairing. Then 
some trial and error, I can't give you an exact formula, but you will 
have to type in the same pin on the phone and the PC (I use KDE's 
bluetooth pin helper and KDE's BT browsing). The phone will tell you if 
the pairing is sucessful.

Also, according to 
http://www.sprintusers.com/forum/archive/index.php/t-57061.html you may 
have to do several iterations of enabling and disabling a device to get 
the pairing to work.

The nice thing is once you have it paired, you can just leave it paired.

Good luck, e-mail me privately if you want more help.

Eric



Marcel Holtmann wrote:

>Hi Eric,
>
>  
>
>>thanks that helped and at one point I got the phone dialing, but not 
>>anymore. I'm still getting "Connection refused" errors. The computer and phone 
>>are definitely paired since I can use kbthandsfree.
>>
>>If I issue these commands:
>>
>>   748  echo 1 > /proc/sys/net/ipv4/ip_forward
>>   749  rfcomm bind 0 08:00:37:13:A1:C7 4
>>   750  pppd /dev/rfcomm0 debug nocrtscts novj novjccomp defaultroute connect 
>>'chat -v -f /root/sprint-chat'
>>
>>May 26 20:38:12 localhost pppd[4987]: pppd 2.4.3 started by root, uid 0
>>May 26 20:38:13 localhost hcid[3622]: link_key_request (sba=00:10:60:AA:5C:CE, 
>>dba=08:00:37:13:A1:C7)
>>May 26 20:38:13 localhost pppd[4987]: Failed to open /dev/rfcomm0: Connection 
>>refused
>>May 26 20:38:13 localhost pppd[4987]: Exit.
>>
>>This is what hcidump shows (sorry for the length, but I don't know what's 
>>important)
>>    
>>
>
>try to reset/reboot your phone and check the RFCOMM channel number again
>with sdptool. It looks like that this channel is no longer accepting new
>connections.
>
>Regards
>
>Marcel
>
>
>
>
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Re: [Bluez-users] Problem with dund and LG 325 phone.

[John H.]

I thought I would reply to the list, as your
experience has helped me, and mine might help others. 
What is the package name of the KDE bluetooth stuff
you mention?  I don't see "enable dun" from
menu/bluetooth, but from there I can search, and it
finds laptop-0.  I try to pair, and it says pairing
failed.  

For what it's worth, I DO use my handset all the time
with a headset.

thanks again


--- Eric Vaandering <ewv@fnal.gov> wrote:

> Yes, that was it. I'm now happily connected with
> pppd on channel *5*. I 
> thought those would be fixed in stone for the phone
> model.
> 
> John, as to how to pair the phone and the PC.
> 
> First, under "Setting -> Setup/Others" choose to
> update your software. 
> I'm on v18. Apparently v17 and v18 have updates for
> BT.
> 
> Then on Settings -> Bluetooth turn visibility on and
> also change your BT 
> name if you want.
> 
> Then under Bluetooth from the *Main* menu, enable BT
> and do "Add New." 
> and also click "enable" for the computer, which will
> enable DUN. I think 
> you can either choose to search and pair or just
> wait for pairing. Then 
> some trial and error, I can't give you an exact
> formula, but you will 
> have to type in the same pin on the phone and the PC
> (I use KDE's 
> bluetooth pin helper and KDE's BT browsing). The
> phone will tell you if 
> the pairing is sucessful.
> 
> Also, according to 
>
http://www.sprintusers.com/forum/archive/index.php/t-57061.html
> you may 
> have to do several iterations of enabling and
> disabling a device to get 
> the pairing to work.
> 
> The nice thing is once you have it paired, you can
> just leave it paired.
> 
> Good luck, e-mail me privately if you want more
> help.
> 
> Eric
> 
> 
> 
> Marcel Holtmann wrote:
> 
> >Hi Eric,
> >
> >  
> >
> >>thanks that helped and at one point I got the
> phone dialing, but not 
> >>anymore. I'm still getting "Connection refused"
> errors. The computer and phone 
> >>are definitely paired since I can use
> kbthandsfree.
> >>
> >>If I issue these commands:
> >>
> >>   748  echo 1 > /proc/sys/net/ipv4/ip_forward
> >>   749  rfcomm bind 0 08:00:37:13:A1:C7 4
> >>   750  pppd /dev/rfcomm0 debug nocrtscts novj
> novjccomp defaultroute connect 
> >>'chat -v -f /root/sprint-chat'
> >>
> >>May 26 20:38:12 localhost pppd[4987]: pppd 2.4.3
> started by root, uid 0
> >>May 26 20:38:13 localhost hcid[3622]:
> link_key_request (sba=00:10:60:AA:5C:CE, 
> >>dba=08:00:37:13:A1:C7)
> >>May 26 20:38:13 localhost pppd[4987]: Failed to
> open /dev/rfcomm0: Connection 
> >>refused
> >>May 26 20:38:13 localhost pppd[4987]: Exit.
> >>
> >>This is what hcidump shows (sorry for the length,
> but I don't know what's 
> >>important)
> >>    
> >>
> >
> >try to reset/reboot your phone and check the RFCOMM
> channel number again
> >with sdptool. It looks like that this channel is no
> longer accepting new
> >connections.
> >
> >Regards
> >
> >Marcel
> >
> >
> >
> >
>
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> >Bluez-users@lists.sourceforge.net
>
>https://lists.sourceforge.net/lists/listinfo/bluez-users
> >  
> >
> 
> 
> 
>
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[Bluez-users] download link for bluez-pin is broken

[John H.]

bluez-pin-0.25.tar.gz

that download link on download page is broken.

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Re: [Bluez-users] download link for bluez-pin is broken

[Marcel Holtmann]

Hi John,

> bluez-pin-0.25.tar.gz
> 
> that download link on download page is broken.

no it is not.

Regards

Marcel




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Re: [Bluez-users] download link for bluez-pin is broken

[John H.]

sorry, apparently the html or somethingis different
for it than other links cuz it freaks out on privoxy. 

--- Marcel Holtmann <marcel@holtmann.org> wrote:

> Hi John,
> 
> > bluez-pin-0.25.tar.gz
> > 
> > that download link on download page is broken.
> 
> no it is not.
> 
> Regards
> 
> Marcel
> 
> 
> 
> 
>
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[Bluez-users] hcid error on pair attempt

[John H.]

When I try to pair my phone, despite changing pin in
/etc/bluetooth/pin to 0000 and typing that in the
phone when I try to pair, it says pairing failed, and
/var/log/messages says


Jun 10 00:56:33 home hcid[15309]: pin_code_request
(sba=00:02:72:81:AB:C4, dba=08:00:37:12:C4:B1)
Jun 10 00:56:33 home hcid[15309]: link_key_notify
(sba=00:02:72:81:AB:C4, dba=08:00:37:12:C4:B1)


?

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Re: [Bluez-users] Problem with dund and LG 325 phone-fixed

[John H.]

Ok, through using konqurer and kdebluetooth and
telling it to do action/send file over bluetooth, it
paired my phone and adapter:)

however, I now get the connection refused error.  I am
wanting to use btcid(bluetooth caller ID), but it
gives the same error eric got, so I tried changing the
channel to channel 5 in /etc/bluetooth/rfcomm.conf,
still the same.  what should I do? this is the output
of sdptool --browse

 sdptool browse
Inquiring ...
Browsing 08:00:37:12:C4:B1 ...
Service Name: WBTEXT
Service RecHandle: 0x10000
Service Class ID List:
  "Error: This is UUID-128"
(0xdb1d8f12-95f3-402c-9b97-bc504c9a55c4)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 1
Language Base Attr List:
  code_ISO639: 0x656e
  encoding:    0x6a
  base_offset: 0x100
Profile Descriptor List:
  "Error: This is UUID-128"
(0x1cdb1d8f-1295-f340-2c9b-97bc504c9a55)
    Version: 0x0100

Service Name: LG LX325 Headset AG Service
Service RecHandle: 0x10001
Service Class ID List:
  "Headset Audio Gateway" (0x1112)
  "Generic Audio" (0x1203)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 2
Profile Descriptor List:
  "Headset" (0x1108)
    Version: 0x0100

Service Name: LG LX325 Hands-Free AG Service
Service RecHandle: 0x10002
Service Class ID List:
  "Handfree Audio Gateway" (0x111f)
  "Generic Audio" (0x1203)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 3
Profile Descriptor List:
  "Handsfree" (0x111e)
    Version: 0x0100



		
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Re: [Bluez-users] Problem with dund and LG 325 phone.

[John H.]

--- Marcel Holtmann <marcel@holtmann.org> wrote:

> Hi Eric,
> 
> > I have an LG PM-325 which I am trying to get DUN
> working with. It works under
> > Windows, but I want to use linux.
> > 
> > I think the two devices are paired since I can do
> l2ping and get responses,
> > but I still seem to be a few steps away from being
> able to do DUN.
> > 
> > When I type this, I expect to get a success
> message back, right? Instead I get 
> > nothing:
> > 
> > [root@a122077 root]# dund -c 08:00:37:13:A1:C7 -n
> > dund[5586]: Bluetooth DUN daemon
> > dund[5586]: Searching for LAP on 08:00:37:13:A1:C7
> > [root@a122077 root]#
> > 
> > I don't have to do anything with rfcomm before
> this, right? I also don't need 
> > to run pand, right, since my device only supports
> DUN.
> > 
> > When I try to do a pppd call command, I get this
> in syslog:
> > May 26 14:43:02 a122077 kernel: PPP generic driver
> version 2.4.2
> > May 26 14:43:02 a122077 pppd[5708]: pppd 2.4.3
> started by root, uid 0
> > May 26 14:43:03 a122077 hcid[3602]:
> link_key_request (sba=00:10:60:AA:5C:CE, 
> > dba=08:00:37:13:A1:C7)
> > May 26 14:43:03 a122077 pppd[5708]: Failed to open
> /dev/rfcomm0: Connection 
> > refused
> > May 26 14:43:03 a122077 pppd[5708]: Exit.
> > 
> > which isn't surprising.
> 
> using dund for Dialup-Networking is the wrong way.
> The dund is for LAN
> access using PPP. And yes, I know that the name is
> confusing.
> 
> What you need is to find the RFCOMM channel number
> for Dialup-Networking
> with the help of
> 
> 	sdptool search --bdaddr <bdaddr> dun
> 
> and then you bind a RFCOMM TTY port to that channel
> with
> 
> 	rfcomm bind 0 <bdaddr> <channel>
> 
> After that you can use any dialer (for example
> wvdial) to setup your
> dialup connection through /dev/rfcomm0.
> 
> Regards
> 
> Marcel
> 

This is the result of me doing that.  I wanted to also
use btcid, if I bind to channel 4 or 5, should I be
able to use btcid on /dev/rfcomm0 when I am not using
dialup?  Otherwise, to use dialup, do I tell
rfcomm.conf to bind to port 4 or 5?  I had been
getting connection refused errors.

sdptool search --bdaddr 08:00:37:12:C4:B1 dun
Searching for dun on 08:00:37:12:C4:B1 ...
Service Name: Dialup Networking
Service RecHandle: 0x10003
Service Class ID List:
  "Dialup Networking" (0x1103)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 4
Profile Descriptor List:
  "Dialup Networking" (0x1103)
    Version: 0x0100

Service Name: LG LX325 DUP Service
Service RecHandle: 0x10004
Service Class ID List:
  "Dialup Networking" (0x1103)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 5
Profile Descriptor List:
  "Dialup Networking" (0x1103)
    Version: 0x0100






		
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