Public bug reported:
short description: I was in Switserland recently using Maguro with a sim from
my dutch provider. I was expecting to be able to establish a data connection
through a local swiss provider when I enabled(toggled) both Cellular data and
Data roaming. However, this did not work. No internet connection was created.
(To make sure, I checked that on an Android phone, using the same sim, this did
work)
As I am lazy :) and this has been discussed on the Ubuntu-phone mailing
list, I will copy the final part of that thread below for full details:
I live in holland and have a dutch carrier sim. I was in Switserland
last week of januari (fully updated the phone before I left so I would
have been on something like r150, if thats important).
Yes, in general build numbers are helpful whenever discussing such issues.
/Can you clarify what you mean by "But when selected, no data
connection
is created"? Did you mean that when both "cellular data" and "data
roaming" are selected,/
Yes, thats what I did exactly. The local carrier that always appeared
automatically behind the 'carrier' label on the Cellular tab of system
settings was 'Swisscom'.And If i remember correctly, the name of my
Dutch provider appeared behind it in parantheses.
(I am back home now so I am not able to replicate this behavior atm)
OK
/or are you referring to selecting a carrier/
No. That did not work. Refreshing the list of available carriers manualy
resulted in a continiously spinning wheel and not much else, if I am not
mistaken.
Also good to know. We've been looking at the various devices and maguro seems
to be a bit broken with regards to operator scanning.
/One question, do you know whether or not your SIM card is from a
primary operator ( eg. Orange, T-Mobile US, Telefonica, ... ) or a MVNO
( eg. Straightalk in the US )?/
I am not quite sure: My dutch carrier is Telfort. It is a subbrand of
KPN Mobile, which is a primary operator. Seeing as Telfort is just a
brand owned by KPN, you might expect it to also be recognized as a
primary operator, but that probably depends on how they implemented the
Telfort network within KPN. I don't know enough about that.
I guess in hindsight, it's not that critical when roaming. One last question,
if you run the script:
/usr/share/ofono/scripts/list-modems
Can you check the MobileCountryCode and MobileNetworkCode listed under
the NetworkRegistration interface? Do the value s
MCC = 204
MNC = 12
/Lastly, ofono logs messages to the standard syslog ( /var/log/syslog ).
The command "grep ofonod /var/log/syslog" is a quick way to extract
these messages, which can be very useful when diagnosing telephony
problems./
Grep ofonod gets a lot of info. I am afraid I am not a good enough judge
on which bits are relevant so I will gladly leave that up to you and
others :) . I have extracted the entire syslog for the relevant period
and posted it for you guys to have a go at it if you feel like. Here is
the link:
http://paste.ubuntu.com/6957213/
The log will show that I tried to set up a cellular data connection many
times. As said, this failed every time.
Hopefully someone can confirm (or deny) this.
Cheers,
Mat
** Affects: ofono (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1281848
Title:
Cellular dataroaming fails on Ubuntu phone(Maguro)
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