Hi Denis,
On 23/08/12 19:37, Denis Kenzior wrote:
Hi Christopher,
Also, one other thing I'm concerned about is the CFUN=4 usage when we
try to set the modem offline. Your comments indicate that the Telit
modem resets the SIM when we issue CFUN=4. Going from Online True ->
False we don't actually want to reset the SIM. Does CFUN take an extra
parameter to turn SIM reset off by any chance?
Telit documentation says that +CFUN supports a second parameter which
should turn reset off.
AT+CFUN=? also returns +CFUN: (0,1,2,4,5),(0)
AT reference manual: "reset flag 0 - do not reset the ME before setting
it to <fun> functionality level"
But the modem keeps returning +CME ERROR: 4 when I try it (no matter
which CFUN level).
That is funny. Maybe the modem does not support a true 'offline' or
'airplane' mode. In which case the driver might need to be modified
somewhat.
This is something we will need to solve in the future. If not fixed,
I'm guessing that going Online then Offline will reset the SIM and
cause all kinds of funny behavior.
The modem behaves very strange sometimes. I kept getting timeouts when
setting AT+CFUN=4. I once tried it manually and it took 26 seconds until
I got an OK.
Currently it works fine again.
Is there a newer firmware available by any chance?
I'm currently using firmware version 08.01.107. Apparently there is a
08.01.108 version. I contacted the Telit support and they said they are
testing this version, so I don't know if it is available now. I hope we
are getting an official Telit support with the possibility for updates
soon - will know more on Tuesday.
Regards,
Christopher
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