Not Receiving Texts on VoLTE - Sprint Note 10+ - Samsung Galaxy Note 10 Questions & Answers

After the new update, my phone automatically turns on VoLTE after reboots. Sometimes I don't notice it, but I don't get texts at all while on VoLTE. Is anyone else having this problem? And what is the possible fix if any?

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[Q] Problem with not receiving calls/texts while on LTE

I started to notice that I wasn't receiving a bunch of calls or texts on my Nexus 5 for a while, and then I was able to figure out that when I'm connected to LTE, my phone won't receive any calls, it just goes straight to voicemail and I never get a notification of a missed call on my phone. Also texts will be delayed until I'm not on LTE. When I turn LTE off and 3G on only, it works just fine. I'm with T-Mobile, but Sprint users have reported the problem as well. Does anybody else have that issue or have you heard of that issue? Is there any type of fix?
There's a link to google's productforums where a bunch of people are having the same problem when connected to LTE. but I can't post the link because I don't have 10 posts yet, lol. The title is Nexus 5 sometimes doesn't ring when people are calling it.
I'm wondering if it's not a more widespread issue but most people just don't realize they aren't missing any calls because they don't have any missed call icons or anything.
This usually occurs when you are on LTE only so I am guessing the issue is that its not switching to HSPA properly. I assume your device when its not on 3g only is set to use all networks. Hopefully this gets resolved for you.
if your phone is on lte only, you can not recieve phone calls or texts, it needs to be set on lte/gsm as phonecalls go gsm and not lte.

AT&T LG V10 Wi-Fi Calling Issues

im having trouble connecting to the wifi calling service on my v10. what i mean is that i turn on wifi calling but nothing happens. the setting menu says it's on but i can't call or text or anything. It usually works since i have to use it every day at my apartment but often times it has problems working (whether it takes to long or it doesn't get set up at all) anyone have any ideas on how to fix this problem? also does anyone else have a problem downloading pics via text message and/or receiving messages from certain people while on wifi calling?
any help is appreciated
thanks

Unable to receive calls

Hello,
I bought a mi mix 2s some time ago and it's currently running the china rom because I can't unlock the bootloader the next 10 days.
First of all I can call other people and I can use mobile data. Also I'm able to receive calls if the sim is in my old oneplus one.
Now to my problem:
Today I realized that there must be a problem if someone calls me but I couldn't really figure out under what circumstances the issue appears.
However, I could figure out the following:
If I'm on wifi calls work most of the time
If I'm on 4g I don't receive calls most of the time
If I'm on H+ I receive calls most of the time
If the phone is locked I either get the call or the mailbox answers
If I don't get the call there are two things that happen on the phone that is calling me:
If it's a samsung theres just one loud beep and the call ends
If it's a LG there are fast beeps (similar like if the phone is busy)
Thanks in advance for any help
Flatric
EDIT: Just figured out that the problem is that the phone takes too long to switch from 4g to 3g since VoLTE is not supported by my carrier... Found some guys in a forum who complained about the same problem but with a oneplus phone... I'm still open for any ideas that could fix that Maybe someone from germany here who uses O2/Eplus network and got the same problem?
EDIT2: http://en.miui.com/thread-935378-1-1.html Used this to enable VoLTE but can't test if it's working until tomorrow
Fixed it by the way by enabling VoLTE with the miui dialer code explained here

How to remove wifi calling feature?

Hi, Ihave the verizon version, unlocked, I am using it out of USA and everytime I want to make a call, a message saying I am out of range appears telling me if I want to enable wifi calling. if accept, then the call works, but sometimes. in some occasions Ihave to turn off wifi. Istopped the wifi calling process, but the issue persists. Any recomendation to fix this?

Question OP9+Google Fi+intermittent outgoing call issue

I have an unlocked originally-T-mobile OP9, with Android 11, and I have an issue with Google Fi that I couldn't find online references to.
Every so often, I can't make calls: the dialer starts to dial and then stops within a fraction of a second. A reboot always solves the problem, but then the problem comes back eventually. Data works fine.
Update: I can't receive calls in this state either.
I tried using the beta Google Phone dialer, and maybe even some third-party dialer, and the issue is the same.
killing the com.android.server.telecom:ui task solved the problem without a reboot, and now I have a Tasker shortcut to do that on my home page, but that's not really a viable solution given that incoming calls don't work when the issue happens.
Does someone maybe have a version of Telecom.apk from a different firmware that I could try?
A bit more experimentation: When the phone is in the bad no incoming/outgoing calls state, if I turn off mobile data, or switch it to 2G, everything works again. Then when I switch back to 5G, calls don't work (but data works). Is it a VoLTE issue?
Bump... Am I really the only person on XDA using a TMO OnePlus 9 on Google Fi? Is anybody using an international OnePlus 9 at least? I might want to change to international firmware then.
Well, I think I've solved it by installing international firmware. My guess is that the problem had to do with VoLTE support in the T-Mobile firmware.

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