Fwd: Cinterion plugin patch

[Reinhard Speyerer]

On Wed, Nov 30, 2016 at 10:16:42AM +0100, Aleksander Morgado wrote:
> On Mon, Nov 28, 2016 at 10:41 PM, Reinhard Speyerer <rspmn at arcor.de> wrote:
> > using CID 1 when this CID could be used for RAT LTE when used with
> > AT!SCACT or AT^SWWAN may generally be problematic for the following
> > reason: when the mobile is registering to LTE CID 1 is used by most
> > mobiles to handle the default bearer assigned by the network during
> > the EPS attach procedure.
> >
> > This means that whenever a value that differs from "IPV4V6","" is stored
> > there the mobile asks the network to use this value for the EPS attach
> > default bearer parameters whenever it performs the next EPS attach (e.g.
> > after poweron) instead of letting the network assign them in the Activate
> > Default Bearer request.
> >
> 
> Is this CID=1 logic related to the default EPS bearer applicable to
> all vendors? Or just Cinterion?
> 

Hi Aleksander,

using CID=1 for this purpose seems to be quite common for Qualcomm
firmwares. From the mobiles with a Qualcomm chipset available to me
only the Huawei ME909u uses a different value (CID=16).

You should be able to see which CID the mobile uses to handle the
default EPS bearer from the output of the AT+CGACT? command after the
mobile has registered to a LTE network.

Regards,
Reinhard