Hi Denis,
On 04.03.20 20:49, Denis Kenzior wrote:
In my case automatic provisioning always fails:
- the database has multiple entries for basically every operator/country
mbpi is just not a very good database. It provides lots of duplicates
and doesn't distinguish by spn last I checked. Ubuntu Touch folks used
the android apndb and others used custom ones. As far as I'm aware,
ofono + mbpi was never used in production. If I'm wrong, I'd love to
hear about it.
I have discouraged the use of mbpi for these reasons. Not stopping you
from using it, just pointing out what has been done historically.
As I understand it, ofono is designed to automatically pick the correct
service provider parameters (primarily APN) for the installed SIM -
unlike a simple solution like pppd. When arriving to the connman/ofono
community I found it very difficult getting my widget online when ofono
refuses to use the ready-to-use mbpi database and authoritative response
is "mbpi is bad, don't used it".
I don't see how am I going to solve this. The end user cannot configure
the device (there's no user interaction whatsoever). I could not find
the mythical Android database at the time (I do now - it's at
https://android.googlesource.com/device/sample/+/master/etc/apns-full-conf.xml).
It contains many duplicates, because the virtual MNO-s share MCC and
MNC-s with the physical ones. That's how the mobile networks are built
in the real world. So I was very confused about how to proceed.
Sure, after much, much frustration I arrived to the workaround of
manually provisioning APNs (which I stole from mbpi!) for each factory
installed SIM through Christophe Ronco's file-provision plugin. This
plugin is a life-saver, but it certainly falls short of automatic
provisioning. That's the same level of sophistication as pppd. And as
extra punishment I have to write a network supervisor which orders
connman to actually use the service of a new SIM whenever it is replaced
- even if it's from the same MNO. But that's a different rant altogether.
So, for perspective - saying "mbpi is just not a very good database"
helps me none at all when I need to get my widget to go online :) Please
handle the duplication, as this is how the mobile networks are built.
--
Kind regards,
Tarmo
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