Hi Ed,<br>My name is Tuan :-)<br><br>Thanks for your reply, but I still confuse on username/password portion, what does it for? For connecting to operator's modem ?<br><br>I don't have any idea on how data calls are established end-to-end. Where does ppp play its role? Do you have any doc or URL regarding it ?<br>
<br>I did the following commands but nothing happend:<br><br>ATE1<br>AT+CFUN=1<br>AT+CPIN="yyyy"<br>AT+COPS<br>AT+CBST=0,0,1<br>AT+CR=1<br>ATDxxxxxxxxxx<br><br>where yyyy is my PIN and xxxxxxxxxxx is another phone number. After last command I also repeat some AT+CEER to check but it reports "no error" as:<br>
<br>AT+CEER<br>+CEER: 0,1,1,255,no error<br><br>With the first 4 ATs, I can make a voice call successfully.<br><br>Cordially,<br>Tuan<br><div class="gmail_quote">On Sun, Mar 22, 2009 at 6:23 PM, Ed Kapitein <span dir="ltr"><<a href="mailto:ed@kapitein.org">ed@kapitein.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="im">Tuan TRINH wrote:<br>
> Yes, my GSM carrier support both data/fax and I also did register it.<br>
><br>
> Thought we need to interact with modem directly to make data calls,<br>
> unfortunatety Qt has not much info on how to to this.<br>
> Ed, do you have any experience on using it?<br>
> On Fri, Mar 20, 2009 at 11:37 PM, Mike Montour <<a href="mailto:mail@mmontour.net">mail@mmontour.net</a><br>
</div><div class="im">> <mailto:<a href="mailto:mail@mmontour.net">mail@mmontour.net</a>>> wrote:<br>
><br>
> Ed Kapitein wrote:<br>
><br>
> > I am also looking for a way to make data calls, do you know of<br>
> any other<br>
> > method of making a data call with the FR?<br>
> > ( direct AT commands to the modem etc)[...]<br>
> > All pointers are welcome!<br>
><br>
> First you need to make sure that your GSM carrier supports CSD (mine<br>
> doesn't AFAIK) and that it is activated on your account.<br>
><br>
> In the past people have mentioned that the Calypso performs<br>
> similarly to<br>
> an "Enfora Enabler" modem and there is some web-accessible<br>
> documentation<br>
> for that. The "AT+CBST" (select bearer service type) command seems<br>
> to be<br>
> involved.<br>
><br>
> There's probably some overlap between the CSD commands and the<br>
> ones used<br>
> for GPRS so I would also look at<br>
> <a href="http://wiki.openmoko.org/wiki/Manually_using_GPRS" target="_blank">http://wiki.openmoko.org/wiki/Manually_using_GPRS</a><br>
><br>
><br>
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</div>Hi Tuan/TAT(?),<br>
<br>
On om2008.12 i was able to make a data call using simple AT commands.<br>
I need to login to my provider with username/password, and that will be<br>
mailed to me next week.<br>
So the data call works, i am not yet able to start ppp over it, due to<br>
the missing username/password, but i think it will work.<br>
<br>
I use gsm0710muxd, so i first request a channel with:<br>
identvar=$(date +%s)<br>
MODEM=$(dbus-send --system --print-reply --type=method_call<br>
--dest=org.pyneo.muxer /org/pyneo/Muxer<br>
org.freesmartphone.GSM.MUX.AllocChannel string:$identvar | grep string |<br>
awk -F '"' '{ print $2 }')<br>
echo "${MODEM}"<br>
<br>
And then start minicom (mikey term might work just as well)<br>
and issue the AT commands.<br>
<br>
AT+CBST=7,0,1<br>
AT+CR=1<br>
atdt <your dial-in number here><br>
<br>
You might want to experience with<br>
AT+CBST=0,0,1 to get auto baud rate<br>
<br>
There is a bug with gsm0710muxd, (#2223 ), so if you experience packet<br>
loss, you can use the /dev/ttySAC0 directly.<br>
First kill all applications using the gsm modem ( in my case qpe ) and<br>
check with lsof if /dev/ttySAC0 is not used by anything else.<br>
then make the data call.<br>
<br>
The data call is charged from your airtime account, so be carefull with<br>
the costs! i need to figure out some callback/callfrward scheme, to cut<br>
the costs....<br>
<br>
Kind regards,<br>
<font color="#888888"><br>
Ed<br>
</font><div><div></div><div class="h5"><br>
<br>
<br>
<br>
<br>
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</div></div></blockquote></div><br>