Hi
You can also add AT+CFUN=1 into the (reset-string) of the modem. So when
kannel reaches the maximum retries it issues the reset string.
You might also want to add to your modem init string CMEE=1 or 2 to have
your modem be more verbose in error.
Finally you can try to add some wait times between commands (sendline-sleep).
It might be that the modem can not follow the pace and hungs.
Finally you should add sim-buffering in order to make kannel read and
delete messages in modem; either in equipment or sim
Regard
Alvaro
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On Mon, May 18, 2015 at 2:10 AM, Florian Schlums <nag...@ggaweb.ch> wrote:
> Hello
> Same issue here. We are running an Ubuntu 14.04 on a pcengines apu board
> with HP un2400 mini pci-e card on it.
> Some times a week without problems, sometimes five times a day.
> Our device only sends SMS. If it receices an SMS it sends it to a default
> mail address.
>
> The error appears often from one to the other SMS:
> 2015-05-15 13:47:29 [914] [6] DEBUG: AT2[/dev/ttyUSB1]:
> TP-Validity-Period: 24.0 hours
> 2015-05-15 13:47:29 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: --> AT+CMGS=71^M
> 2015-05-15 13:47:29 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: <-- >
> 2015-05-15 13:47:29 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: send command
> status: 1
> 2015-05-15 13:47:29 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: --> 0011000A....
> 2015-05-15 13:47:29 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: --> ^Z
> 2015-05-15 13:47:29 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: <-- >
> 2015-05-15 13:47:30 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: <-- +CMGS: 219
> 2015-05-15 13:47:30 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: <-- OK
> 2015-05-15 13:47:30 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: send command
> status: 0
> 2015-05-15 16:12:32 [914] [6] DEBUG: AT2[/dev/ttyUSB1]:
> TP-Validity-Period: 24.0 hours
> 2015-05-15 16:12:32 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: --> AT+CMGS=71^M
> 2015-05-15 16:12:32 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: <-- >
> 2015-05-15 16:12:32 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: send command
> status: 1
> 2015-05-15 16:12:32 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: --> 0011000A....
> 2015-05-15 16:12:32 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: --> ^Z
> 2015-05-15 16:12:32 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: <-- >
> 2015-05-15 16:12:32 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: <-- +CMS ERROR: 500
> 2015-05-15 16:12:32 [914] [6] ERROR: AT2[/dev/ttyUSB1]: CMS ERROR: +CMS
> ERROR: 500
> 2015-05-15 16:12:32 [914] [6] ERROR: AT2[/dev/ttyUSB1]: CMS ERROR: Unknown
> error. -> maybe Sim storage is full? I'll have a look at it. (500)
> 2015-05-15 16:12:32 [914] [6] DEBUG: AT2[/dev/ttyUSB1]: send command
> status: 1
>
> And when it appears I have to clean it by hand. Otherwise it won't send
> any SMS anymore.
> First we stopped and restarted kannel. Clear did not helped.
> Then we just rebooted our smsgateway and were surprised as it didn't
> helped either.
> Then somebody first plugged out the power cord. The server starts
> automatically after power on and then it works again.
>
> There must be a way to reset the HP un2400 module without a hardcore reset
> of the whole device.
> I've found a simple way to reset the module by:
> echo -ne "AT+CFUN=1,1\r" > /dev/ttyUSB1
> and within a script I tried:
> CMS=`tail -n10 /var/log/kannel/smsc.log | grep 'ERROR'`
> if [ "x$CMS" != "x" ]
> then
> /etc/init.d/kannel stop
> echo -ne "AT+CFUN=1,1\r" > /dev/ttyUSB1 # reset and activate
> device : https://www.anywi.com/3g/wiki/AtCommandCfun
> /etc/init.d/kannel start
> fi
>
> But that did not solved the problem every time.
> So I made a half hardcore reset. :o)
> CMS=`tail -n10 /var/log/kannel/smsc.log | grep 'ERROR'`
> if [ "x$CMS" != "x" ]
> then
> /etc/init.d/kannel stop
> echo -ne "AT+CFUN=1,1\r" > /dev/ttyUSB1 # reset and activate
> device : https://www.anywi.com/3g/wiki/AtCommandCfun
> reboot
> fi
>
> Regards
> Florian
>
>
