Telit CE910D OMA-DM issues and cert testing using ModemManager

[Rowan Hamilton]

On Thu, Sep 21, 2017 at 7:09 AM Daniele Palmas <dnlplm at gmail.com> wrote:

> Hi Rowan,
>
> 2017-09-20 16:36 GMT+02:00 Rowan Hamilton <scramble at gmail.com>:
> >
> > Please see the attached logs. In the file entitled:
> > ModemManager_waiting_on_prl_update_from_carrier.txt you can see that a
> #905
> > comes in but we never get a #909. I'm thinking that its not relaying
> these
> > #9xx messages to the module. If this is not possible would it be
> possible to
> > put something in ModemManager to abort the data session and relay the
> > previously sent commands to the module?
> >
>
> Since the modem is not receiving any other notification (especially
> related to errors) I suspect here a firmware issue .
>
> There are some custom AT commands for modem-initiating a session (see
> document OMA-DM Client User Guide that you should have received), but,
> before trying to implement a complicated logic, I suggest you to check
> with Telit customer support if the firmware is behaving properly: they
> will probably request you to collect modem traces for this.
>
> By the way, from your logs, if I'm not wrong, it seems that data
> connection setup attempts by NetworkManager are not succeeding.
>
> Regards,
> Daniele
>
> >
> > Some Telit #9xx commands:
> > Hands Free Activation (Includes device configuration, PRL, and FUMO)
> > #904 - Notification - HFA Started
> > #914 - Notification – Done, HFA Success
> >
> > Stand Alone Device Configuration Network Initiated
> > #906 - Notification – DC DM session started
> > #918 - Notification – DC Done, success
> >
> > Stand Alone PRL Network Initiated
> > #905 - Notification – PRL DM session started
> > #909 - Notification – Done, PRL success
> >
> > Stand FUMO Network Initiated
> > #907 - Notification – FUMO DM session started
> > #916 - Notification – Done, No firmware update
> > #919 - Notification – Done, Firmware downloaded successfully
>

A data session does work via network manager could be the old version of
ModemManager. I will compile a new version this morning and see. I have a
support email in with Telit.

>
>
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