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[Bug 1449990] Re: National Data Roaming

 

Thanks for your hint - my National Roaming changed often and at eplus my
network was still dead - it was really frustrating to go 30s into air
mode on/off procedure for 4 times in 15 min of walking here, every day.
Now I checked the roaming option - it seems the last update had changed
it to off. Now all works for me again! I didn't thought that it would be
so simple in this case.

Offtopic: I wanted to email you but there is no public email only your
gpg without email inside: I'm one of the main authors of the German
touch wiki so I know and like UT but in your list of systems you should
know that Sailfish OS is a great LINUX (ssh...) handy system too and on
some official devices there is an emulator for Android apps too. More on
this not on this report here, please. I have an email address on my
profile if needed.

Greetings, Benno-007

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https://bugs.launchpad.net/bugs/1449990

Title:
  National Data Roaming

Status in Canonical System Image:
  Confirmed
Status in ofono package in Ubuntu:
  Confirmed

Bug description:
  Situation:
  German mobile network operator "o2-de" (MCC 262, MNC 07) has merged with another operator, "e-Plus" (MCC 262, MNC 03). Both operators have decided to allow national roaming between their networks for all customers and for all services (phone calls, SMS, data). The "other" network appears to the customer with the name of their original, provider, but an  added plus sign, e.g. if you're an "o2-de" customer the e-Plus network will appear as "o2-de+" to you.

  
  Expected behavior:
  The bq Aquaris E4.5 roams into the other network if necessary and all services are available. Ideally the device would not even go into "real" roaming mode because national roaming is different from international roaming.

  
  Actual behavior:
  The bq Aquaris E4.5 roams into the other network and mobile data is deactivated because the phone does not differentiate between national and international roaming. The "mobile data roaming" switch has to be explicitely enabled, which can cause problems for the user since the phone supports two SIM cards.

  
  Complications:
  - Both operators are changing their networks during live operation, other phones have problems too.

  - There is a long list of MVNOs and every one of them has to adapt to
  the changes too. For example I have a SIM card by o2-de MVNO
  "netzclub" in my bq phone and the network list now also shows the
  expected "netzclub+" entry, roaming to it works. On the other hand I
  have a SIM card by e-Plus MVNO "MEDIONmobile" in my Android Nexus 5
  and there the network list does not show the expected "MEDIONmobile+"
  entry, but just an entry for "o2-de", and I cannot roam to "o2-de"
  even if I force it.

  
  Notes:
  II think there should be a similar situation in Sweden, where operators Tele2 and Telenor created a shared 4G network, and there are probably other countries with comparable setups.

  
  Debugging data:
  - I added the output of /usr/share/ofono/scripts/list-operators on the bq phone.

  - I added two outputs of /usr/share/ofono/scripts/list-modems on the
  bq phone, once while connected to my original "netzclub" MVNO network
  and once while roaming in the "netzclub+" network. All personal data
  has been removed, but I am willing to share it in private.

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References