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Welcome, Guest. Please login or register. Sat May 25, 2024 10:49
SMSTools3 Community » Help and support Bottom

[answered] ask for balance: CUSD...

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Author Post
Member
Registered:
Jun 2009
Location: Germany
Operating system name and version: Windows Server 2003 + Cygwin
Version of smsd: 3.1.10
Smsd installed from: sources
Name and model of a modem / phone: Huawei E160
Interface: the modem has USB / but the connection uses a COM-port

I tried to read the output from *100#, but i only get errors:



Is there any solution???

Greets from Germany,
Felix


« Last edit by felix000 on Sun Jun 20, 2010 00:10, 169 months ago. »
Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
In this topic the first syntax was working in Germany. Have you tried if *100# works with handset?

Member
Registered:
Jun 2009
Location: Germany
Topic owner
*100# works in a mobile phone with the same SIM-Card, but with the USB-Stick i can't try...

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
Try atd*100# in terminal.

I do not know why the CUSD does not work with your device. Do you have a manual of AT commands for it?

Member
Registered:
Jun 2009
Location: Germany
Topic owner
According to this topic in huawei forum http://forum.huawei.com/jive4/thread.jspa?threadID=326991 i have to encode "*100#" in PDU-format.

Do you know any online-converter?

------------
atd*100#
NO CARRIER


« Last edit by felix000 on Sun Jun 20, 2010 12:17, 169 months ago. »
Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
felix000 wrote
According to this topic in huawei forum http://forum.huawei.com/jive4/thread.jspa?threadID=326991 i have to encode "*100#" in PDU-format.

Thank's for letting us know that.

felix000 wrote
Do you know any online-converter?

Yes I do :).

This PDU Converter does the job. Some other online-converters do not handle "padding characters" correctly.

Also the smsd has options for encoding and decoding:
-Dx decode GSM 7bit Packed string x
-Ex encode string x to GSM 7bit Packed format


Those options can be used even when the smsd is running as a daemon. After the job is done, another daemon is not started. This is designed to use in the regular_run* scripts.

Member
Registered:
Jun 2009
Location: Germany
Topic owner
How can i now read the balance???

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
Search for posts with "regular_run saldo" or "balance" in this forum. Some answers are available containing an explanation of how regular_run can be used.

Check this topic too: Sample config and script for regular_run and balance of prepaid SIM using USSD. First create your USSD command using a tool. Then try it in terminal mode to see what kind of an answer you do get. If the answer is PDU encoded, you can try the modem setting ussd_convert = 2.

Member
Registered:
Jun 2009
Location: Germany
Topic owner
With these settings i get an answer:


but the answer is unreadable:



Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
It's a hexadecimal dump...

Here is a support for it: in the file smsd.c, locate the following and insert lines shown bold and red:

                       else if (is_ussd && DEVICE.ussd_convert == 2)
                       {
                               if (strstr(answer, "+CUSD:"))
                               {
                                       char *p1, *p2;

                                       if ((p1 = strchr(answer, '"')))
                                       {
                                               p1++;
                                               if ((p2 = strchr(p1, '"')))
                                               {
                                                       snprintf(buffer, sizeof(buffer), "%.*s", (int)(p2 - p1), p1);
                                                       if ((p = strdup(buffer)))
                                                       {
                                                               decode_7bit_packed(p, buffer, sizeof(buffer));
                                                               free(p);
                                                               cut_ctrl(buffer);
                                                               if (strlen(answer) < sizeof(answer) - strlen(buffer) - 4)
                                                                       sprintf(strchr(answer, 0), " // %s", buffer);
                                                       }
                                               }
                                       }
                               }
                       }
                       // 3.1.11: HEX dump:
                       else if (is_ussd && DEVICE.ussd_convert == 4)
                       {
                               if (strstr(answer, "+CUSD:"))
                               {
                                       char *p1, *p2;

                                       if ((p1 = strchr(answer, '"')))
                                       {
                                               p1++;
                                               if ((p2 = strchr(p1, '"')))
                                               {
                                                       snprintf(buffer, sizeof(buffer), "%.*s", (int)(p2 - p1), p1);
                                                       if ((p = strdup(buffer)))
                                                       {
                                                               int c;
                                                               int idx;

                                                               *buffer = 0;
                                                               for (idx = 0; strlen(p +idx) > 1; idx += 2)
                                                               {
                                                                       sscanf(&p[idx], "%2X", &c);
                                                                       sprintf(strchr(buffer, 0), "%c", (char)c);
                                                               }

                                                               free(p);
                                                               cut_ctrl(buffer);
                                                               if (strlen(answer) < sizeof(answer) - strlen(buffer) - 4)
                                                                       sprintf(strchr(answer, 0), " // %s", buffer);
                                                       }
                                               }
                                       }
                               }
                       }


                       if (is_ussd && DEVICE.eventhandler_ussd[0])


Save and recompile and change ussd_convert = 4 in the smsd.conf.

Let me know how this works, I have not tested this code...


« Last edit by keke on Sun Jun 20, 2010 18:17, 169 months ago. »
Member
Registered:
Jun 2009
Location: Germany
Topic owner
wow, thanks fr this special support!!!

There is a compile-error:
smsd.c: In function `cmd_to_modem':
smsd.c:5182: error: `str' undeclared (first use in this function)

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
:oops:

And because BBCode is switched on, there was another problem with a variable name "i" inside brackets...

I have edited the posting, copy the block again and try...

Member
Registered:
Jun 2009
Location: Germany
Topic owner
Great, it works!!!

2010-06-20 17:48:06,5, surfstick: CMD: AT+CUSD=1,"AA180C3602",15: OK +CUSD: 0,"20416B7475656C6C657320477574686162656E3A2031332E3734204555522E",0 // Aktuelles Guthaben: 13.74 EUR.

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
I made on small change to the code, the value for the setting ussd_convert is now 4 with ASCII hexdump. This is because of future enhancements.

The next version will have this feature, as you surely noticed from the comment in the code. If you change that value to "4" in your code and setup, your setup will be compatible with the next version, without any confusion.

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