Unregister from network

[Andre Valentin]

Hi!

We are regularly testing some function of mobile networks. This includes
-network registration
-PDP setup
-data function

Currently we have the problem that we cannot unregister the device from network. Is this possible?

If you give me a hint, I can implement a command in qmicli.

Even this sequence does not help:
>OK
>AT+CFUN=4
>OK

wait..

>AT+CFUN=1
>OK


Background:
Since activation of LTE in Germany, the providers somehow cache the PDP context.
If I setup a PDP context and shut it down after the test, the connection is still keept running.
I can see that the we do net get a new radius request if I initiate a new PDP context.
The PDP Context ID also does not change.

This kind of caching is not done in EDGE, so our tests use EDGE. But that is not a solution anymore.

Kind regards,

André

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