[RFT] CDMA SMS support in QMI modems

[Ben Chan]

Yeah, I've Gobi2k and Gobi3k to test with, but need to check if SMS is
enabled in the subscription.

Thanks,
Ben

On Mon, Aug 26, 2013 at 1:54 PM, Dan Williams <dcbw at redhat.com> wrote:
> On Mon, 2013-08-26 at 20:43 +0200, Aleksander Morgado wrote:
>> >>
>> >> The 'aleksander/cdma-sms' branch in the git repository implements
>> >> CDMA/3GPP2 SMS support in QMI based modems.
>> >>
>> >> The generic SMS interface was extended to include two 3GPP2 specific
>> >> properties:
>> >>  * TeleserviceId
>> >>  * ServiceCategory
>> >>
>> >> Receiving and listing stored SMS messages should work for SMS of any
>> >> category; but only for the limited set of fields that I have currently
>> >> implemented support for.
>> >>
>> >> Sending SMS messages is currently limited to the WMT TeleserviceId,
>> >> which is anyway what you would normally use when sending point-to-point
>> >> SMS messages.
>> >>
>> >> Testing should be pretty straightforward; just grab a CDMA QMI-based
>> >> modem which implements the 'WMS' service, and:
>> >
>> > Should the code just default to WMT for simplicity?  Anyone who needs
>> > something special or to send specific messages can clearly send other
>> > message types by setting teleservice-id.
>> >
>>
>> Right now having a 'teleservice-id' is the way we decide what kind of
>> SMS we create; if there is such parameter we build a 3GPP2 SMS;
>> otherwise a 3GPP SMS. Of course, this is only meaningful in 3GPP2+3GPP
>> capable modems; but in those it's probably just ok to create a 3GPP one.
>> So yeah, defaulting to WMT teleservice by default is something we could do.
>
> I think we have to get Ben to test this.  The only Verizon subscription
> I have is an LTE-capable SIM, and any non-LTE modules don't care about
> SIM cards (and thus the module wouldn't register with the network for
> me) and any LTE modules would probably just use 3GPP mode or somehow
> emulate it.  I could try locking my device into EVDO-only mode and see,
> but that's not a very good test since the firmware might just handle the
> teleservice ID automatically since it's LTE capable...
>
> If Ben has an Gobi2K or Gobi3K devices lying around, that would work
> (like an original Chromebook CR-48 or something).
>
> Dan
>
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