[ILUG] GPRS access via bluetooth on o2

[Timothy Murphy]

On Monday 05 July 2004 11:05, Keith Davey wrote:

> In case anyone is interested, I managed to connect via gprs on o2 over
> bluetooth from Fedora Core 2.

Your method is more or less exactly what I do.
Just a couple of comments.

(1) I think you have to contact O2 to get GPRS set up.
This doesn't cost anything.

> However, here is my /etc/ppp/peers/gprs2 script:
>
> /dev/rfcomm0 57600
> connect '/usr/sbin/chat -v -f /etc/ppp/chat-gprs2'
> noauth
> defaultroute
> debug

(2) For comparison, here is mine.
I cannot remember why I added all these lines -
they are probably completely unnecessary,

rfcomm0 115200 crtscts
connect '/usr/sbin/chat -v -f /etc/ppp/O2.chat'
debug
modem
lock
receive-all
nodetach
noipdefault
defaultroute
user gprs
password gprs
usepeerdns
nobsdcomp
nodeflate
logfile "/home/tim/ppp.log"
noauth

> And here is the /etc/ppp/chat-gprs2:
>
> TIMEOUT         5
> ECHO            ON
> ABORT           '\nBUSY\r'
> ABORT           '\nERROR\r'
> ABORT           '\nNO ANSWER\r'
> ABORT           '\nNO DIALTONE\r'
> ABORT           '\nRINGING\r\n\r\nRINGING\r'
> ''              \rAT
> TIMEOUT         30
> OK              ATE1
> OK              AT+cgdcont=1,"IP","open.internet"
> OK              ATD*99***1#
>
> These settings work for O2 anyway.

(3) Mine reads

TIMEOUT         5
ABORT           '\nBUSY\r'
ABORT           '\nERROR\r'
ABORT           '\nNO ANSWER\r'
ABORT           '\nNO CARRIER\r'
ABORT           '\nNO DIALTONE\r'
ABORT           '\nRINGING\r\n\r\nRINGING\r'
''              \rAT
TIMEOUT         30
OK              ATH
OK              ATE0
OK              ATV1
OK              'AT+CGDCONT=1,"IP","open.internet","",0,0'
OK              'ATD*99#\r\n'
CONNECT-ATD*99#\r\n-CONNECT             ""

Again, I doubt if the differences matter.
For some reason, half the time I try to connect I get "CONNECT"
and the other half I get "OK";
that's why I try twice (if necessary).

I say (as root) "pppd debug call O2".
This gives a large amount of debug info in /var/log/messages and elsewhere.

> GPRS is billed per meg, so you can stay connected all day, just don't do
> any big downloads.

(4) I'm not sure if this is good advice.
I left mine connected for a couple of hours one day,
and I received a lot of packets, I don't know why.

(5) There is a program GPRS_Easy_Connect (from Hungary)
- you can find it if you google for "GPRS Easy Connect" -
which has settings for all the telecoms round the world,
The program is meant to connect you automatically,
but I prefer your method.

(6) The connection is really slow.
I wonder if it is any faster than just using the phone to dial in?

(7) You probably should have mentioned the Bluez site
<http://sourceforge.net/projects/bluez>
as there is a lot of info there.

Also there are quite a lot of preliminary steps
to get Bluetooth running on the computer
(eg "chkconfig bluetooth on" or "service bluetooth start",
as well as a few settings in modprobe.conf .)


-- 
Timothy Murphy  
e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland