Roaming

Dan Williams dcbw at redhat.com
Fri Feb 10 18:38:24 UTC 2017


On Fri, 2017-02-10 at 19:06 +0100, Aleksander Morgado wrote:
> > 
> > Is it correctly understood, that using
> > qmi_message_nas_get_serving_system_output_get_roaming_indicator, I
> > will know
> > if the modems is currently roaming? I'm looking for the
> > informations which I
> > can get using AT+CREG. I'm not sure if the "roaming indicator" is
> > in fact a
> > roaming indicator, or if it the current roaming status?
> > 
> 
> For 3GPP modems (GSM, UMTS, LTE), we get the roaming indicator flag
> via:
> qmi_message_nas_get_serving_system_output_get_roaming_indicator
> 
> For 3GPP2 modems (CDMA, EVDO), we get per-technology roaming flags
> via:
> qmi_message_nas_get_serving_system_output_get_roaming_indicator_list
> 
> But NOTE! This flag will be set whenever the serving system network
> is
> different to the home network. And this means that virtual operators
> (those without a network of their own) will always end up showing
> with
> this roaming flag set, even if they are in a network "allowed" to
> connect to. In other words, this roaming flag doesn't take into
> account the possible networks configured in the SPDI list. See this
> ModemManager bugreport for more context on this issue:
> https://bugs.freedesktop.org/show_bug.cgi?id=85010

Hmm, what was the outstanding issue on that branch?

Dan


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