Toggling +CFUN=0/1 upon receiving an unsolicited message

[Dan Williams]

On Thu, 2013-09-19 at 00:19 -0700, Ben Chan wrote:
> > I don't see any issues with this, though does the use-cases you're
> > thinking about touch stuff on the modem, or only the SIM?  If it's only
> > the SIM, can we do CFUN=4 instead to avoid a complete power cycle of the
> > modem?  Or is CFUN=0 really required?  The problem with '0' is that it's
> > interpreted wildly differently on devices and may actually be a complete
> > reboot of the device.  With CDMA that's expected since it might update
> > NV items, PRL, ERI, etc, but that shouldn't be the case if the SIM OTA
> > is just updating SIM stuff.
> >
> 
> The behavior is modem specific, so the changes are scoped to a particular
> modem plugin. I haven't tried CFUN=4, but will check with the modem vendor.
> The modem may actually need to go offline and then online for the SIM
> refresh to take effect.

Sure, just wondering out loud.  If a full reset is required for that
device, then that's what MM should do.

Dan