Thanks the reply. I don’t know what cloud messaging is.
It is “Firebase messaging” which is an entirely Google thing, but which many many apps use for “push notifications” (incoming calls, texts, from apps like WhatsApp, Signal, etc). Note this discussion has morphed greatly, we aren’t talking about cell calls and SMS message notifications anymore, we are dealing with “in-app” notifications from various services now.
Rob discusses this a bit in his “how to setup the brax3” video, basically microG implements it in a more privacy respecting way, but to use the apps that require / assume it exists you need it or you do without any push notifications (“Push notifications” are exactly what we are dealing with here: notifications sent to you when the app itself isn’t active).
@Gebb btw the likely difference between the F-Droid versions of the apps (Telegram and Threema) and the Aurora versions are that the Aurora versions assume firebase push notifications are working on your device… which they are with microG through “Cloud Messaging”.
For Telegram (I am not familiar with Threema), you can get a FOSS variant that requires an alternate push notification service, I used ntfy.sh from F-Droid in the past for that with some apps that didn’t support Firebase messaging. So that could be the reason for those ones. But as WhatsApp only is available from Aurora, you need microG “cloud messaging” for notifications (including incoming calls) from it. Then you have 2 notification services running continually, that can be a bit heavy. TL;DR this all should work with the Aurora variants of the apps since we have microG, it’s a key reason why microG is so helpful!
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Wow. Thanks again for the info. 
I’m a few light years away from understanding most of it! 
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a few light years away from understanding
No worries. You’re closer than you think. It all seems overwhelming initially. We’re here to help
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Thanks. I really appreciate what you and the other developers are doing. The subject matter is vast and the user experience is varied. That must be so difficult. I see often repeated replies, with patience, which is necessary in this comms format. And it’s a challenge for new users trying to find solutions to problems they can’t articulate.
I had the same problem, I followed the above suggestions, still noting . then I rebooted the phone and now so far have ring tone etc.
Which iodéOS version are you actually using ?
HI there am using 6.9 iodeOS
I’m having a problem controlling the volume on certain apps like Rumble when connected through Bluetooth to car audio system. Some apps I can control volume without a problem with the volume control through the car. I have 2 apps that won’t, and can only control volume with the phone but the volume is very low through the car audio. Is there a way to fix this issue for apps that I can’t control through car volume?
Have you turned the volume to max on the other control. e.g. if using phone controls is the bluetooth device / car volume turned to max?
I need to do this in my car sometimes; and found iodéOS seems to have different volume levels for different apps (or it changes the volume level between apps, etc, without my input). But I have not done systematic testing to validate this (yet)…
Yes I have tried that, there seems to be a bug inside iode os, when I use Rumble as a screen inside another app so its still playing. I can then control the volume through the car audio controls. But not when it’s running the app in full screen mode. I had the same thing happen the other day with the music app. 1st phone I’ve ever had that’s had this issue. Some apps work fine, while others’ don’t. Not sure how to fix it.
Not familiar with Rumble sorry but (from your comment above) I’d suggest you see if you have issues with apps running normally without Rumble and isolate the issue to just it, or other specific apps. You need to reduce the variables to see where thevissievis - it may just be the settings for a couple of specific apps…
I continue to have no notifications or sounds when receiving mail in proton mail. However the Signal app will produce sounds and notifications when a message is received. Yes notifications over all and specifically in proton are turned on.
In microG settings under cloud messaging, no apps are shown to use it and everything is greyed out so It cannot even be turned on.
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Sorry about missing this one.
I replied in the other thread.
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I have the same issue with Proton mail. Seems other degoogled OS have a similar issue with this particular app. I have not yet tried it and am still looking for a better solution, but someone found a solution using proton bridge. I will link it here:
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Yeah I tried that microtasker thing. Followed instructions to the word but no notifications for proton mail still…
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Hi, I am having the no incoming ring tone notifications. I have voip numbers on a Brax3 and a voip phone, if that makes a difference. Looking at the miccroG setting and then cloud messaging, should the regular phone be there? I am gathering not probably. When I go to the phone app specifically, I see All Phone notifications in the Brax3 blued out where I can not adjust it. Is that how it needs to be? Where is the Do Not Disturb setting to turn off, perhaps. Thank you so much.
I get a ring notification if someone calls me on Signal, but not with regular voip. And I changed settings to TLS, and called from a different Brax3 phone and I got an incoming ring tone notification if that makes sense, but calls from other people don’t register.
Found DND: setting , modes. It wasn’t turn on. 
So I have the voiip.ms app….okay.
Try another phone app from F-droid to check for different behavior. If necessary uninstall the native app to avoid conflicts.
Hi george,
So could I just uninstall voip.ms and reinstall and try again? Or really try a different app? Thanks!