FW: MM v1.4.6/Telit HE910-D SMS question

[Dan Williams]

On Wed, 2015-09-02 at 17:03 +0200, Aleksander Morgado wrote:
> On Wed, Sep 2, 2015 at 4:53 PM, Highland, Glenn <Glenn.Highland at digi.com> wrote:
> >
> > Aleksander suggested that I propose the change below to the mailing list.
> >
> > Essentially we're encountering a problem with SMS notifications not being received
> > by the application from ModemManager v1.4.6 (and v1.4.10 for that matter).  This
> > is using a Telit HE910-D that has two USB endpoints (in our case ttyACM0 and
> > ttyACM3).
> >
> > The Telit HE910-D needs to be configured with the AT+CNMI=2,1,2,1,0 command on
> > both the primary and secondary ports as confirmed by Telit Support.  Currently
> > that command is performed only on the primary port, which is reserved for PPP
> > I/O after connection to the provider network.  The secondary port's New
> > Message Indication configuration remains at 0,0,0,0 which (in summary) causes
> > the modem to discard inbound messages without storing them.  Hence ModemManager
> > does not get notified of a newly-received SMS.
> >
> > Does an update to mm-broadband-modem.c seem reasonable to everyone?
> 
> The specific suggestion I'm doing is to run the CNMI settings command
> in both the primary and the secondary ports for all AT-based modems,
> not just in the primary port - but don't fail the operation if setting
> it in the secondary port fails (e.g. for the case where secondary port
> is a very limited or not-fully-functional AT interpreter).

That sounds like the right approach to me...

Dan