Hi all, I apologize in advance for the long email.
We are attempting to use Connman/Ofono to setup a data connection with a Telit HE910-G modem. The modem is on a Telit development kit which plugs into our embedded hardware via the USB port. Using version 1.17 of ofono, we were able to pickup and power/enable the modem. Using version 1.24 of ofono, the first problem we had was that ofono would generate a /telit_0 interface, but any attempt to enable the mode would fail with a dbus timeout. Eventually we tracked this down to the +GMM command ofono uses to get the model_variant string. We saw that ofono expects "HE910-G" from the modem, but the modem was only responding with the model and not the variant "HE910". Hard coding the model_varaint string to "HE910-G" solved the problem and we were able to enable/power the modem through ofono and even register the SIM on the network. From what I can tell, this bug seems to be present in all ofono versions that don't use the he910.c plugin. I looked through the AT commands data sheet for the HE910 family and the closest command I could find that would give us the model and variant was ..., but unfortunately this echos the command back which is a bit messy. So for now I have left it hard coded. The current problem we are having is that we cannot activate the context with ofono or connman. Any attempt fails with: Error activating /telit_1/context1: org.ofono.Error.NotImplemented: Implementation not provided. I have seen some old (2015) posts with the same problem, but these have all been with the older versions of ofono that use the he910.c plugin, and non of the solutions worked for us. I am currently stuck at this point and have been unsuccessful at debugging this any further. Is there anyone who has had a similar problem or have any ideas on how I can debug this? Any help with our problem would be greatly appreciated. Kind regards Jason
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