On Mon, Nov 07, 2022 at 04:02:29PM +0100, Aleksander Morgado wrote: > A very similar issue was fixed for Qualcomm modems using QMI in the > following merge request: > https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/merge_requests/789 > > The problem solved there was that the connection attempt was started > before the modem was fully registered properly in the PS domain. In > QMI modems we improved the detection of the PS domain registration to > use the DSD service, and only if the DSD service reports a valid > access technology we consider ourselves registered in PS. Those > changes don't introduce any arbitrary delay, instead we rely on the > modem notifying the correct state via updates. But the effect is the > same really, we're waiting just a little bit more between us getting > registered and starting a new connection attempt. Not saying the issue > is the same one, but it looked similar. > > In your case, we rely on +CEREG to know whether we're registered or > not in EPS, and if we are, we go on with the connection attempt. I > don't know if we're missing something else to check before starting > the connection attempt. Would you be able to contact the manufacturer > directly (e.g. via support or forum) to ask about this?
Sure, I'll try to contact the manufacturer, I also know that there are some users who work for Thales and are active on https://gitlab.freedesktop.org/mobile-broadband/ModemManager so maybe I'll create an issue to attract their attention :) Thanks for help. -- Arkadiusz Drabczyk <arkadi...@drabczyk.org>