Call Ended and Incoming Unknown - Huawei P10 Questions & Answers

Hello!
I've got a problem with my P10 - when I call anyone, the dialer instantly says "Call Ended", but the person on the receiving end receives the call and can answer but there's no sound(my phone doesn't even show that there's a call), and when I get an incoming call, I dial Unknown. SMS and mobile data work just fine. My SIM card doesn't work in my dad's phone, but it works in some random phone, which is on 4.4 I think, my dad's SIM card, which works in his phone, doesn't work in mine, so I think there's a problem in my phone. So far I've tried a factory reset, safe mode and replacing Telecom in priv-app(I'm rooted, but I unrooted + factory reset to make sure it's not the root).
From what I've found this issue isn't exclusive to Huawei, but the fixes that worked for others didn't work for me(Don't have VoLTE/Wi-Fi calling option, never on Wi-Fi anyways, also no Caller ID, Call Barring isn't activated and I can't activate it)
My phone is on B382.
If possible, I'd like to rule out every possibility before changing the SIM card.
Thank you!

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Unable to make a call in GSM network - works in 3G

My TyTN II is no more than one month old. Radio and ROM are all stock and I never tried any custom ROMs nor did I install hardSPL on it. The problem is all of a sudden I can't make any calls. If I dial a number it just says Call Ended following with couple of silent beeps. If someone call me they got to my voicemail. The strange thing is that after couple of retries, it works, I can make a call but then after another try, it stops working again.
In all that time, sending and receiving SMS works normally.
And now the very strange part of the problem. If I switch to 3G mode, everything is ok. No problems at all. If I switich back to GSM only mode, the problem is back.
I've contacted HTC in my country (I'm somewhere in Europe ) and all they can say is, hard reset your phone and if that does not work, send it for repair.
I consider that a valid response and I'm about to do just that but before I go and erase all of my applications and settings from my phone (which will take me ages to get them back) I was wondering if someone has previous experiance with this sort of a problem and if it can be fixed without hard reseting the phone.
I have the same issue but when I turn G3 mode ON. I can not make call with auto G3 mode on (I have to try a lot of times to make a simple call). If I use only GSM its works ok.
Zol
I have the same problem, i cannot make a call on 3g network only on GSM. I took the phone to the service and they said i had to change the motherboard it costs ~335 EUR. F*ck
Can anybody tell me an alternative solution?

Phone settings problem

I guys;
Rogers Network Canada
Recently my cell phone started to act weird. First dialling is taking about 30 to 45 seconds before connecting with the other line now all my calls are been redirected to my voice mail. No ring no vibe straight to the mailbox!
I was trying to see if it’s something I did by accident in the phone by going to phone settings , services
Call barring (can’t get access to it)
message- cannot read settings from network. Try viewing settings letter or disconnect data connection and try again.
before I was able to access it not sure if it may be a hardware problem now
Caller ID (can’t get access) same message
Call forwarding (can’t get access) same message
I can only access Call waiting and Voice mail and Tex Messages.
I soft reset the phone no luck then hard reset no luck either flashed new room and nothing!! I don’t know what else to do. Call Customer support and he asked me to try my sim card in another phone and it worked just fine. I switched my wife’s sim card in my phone and same problem her calls go straight to the mail box!
Any help will be very appreciate
any tool or software to fix the problem?

Help, I can't receive any calls but no problems to make them.

Hello, everyone.
I need help with an issue I'm facing. My phone is not receiving any calls whatsoever and I don't know why. I can make calls without any problems, the issue is that I can't receive them.
I don't know when this started happening since I don't receive many calls, I don't know if it's a result of rooting the phone, because it's rooted, or what else can it be. I don't remember if the phone received calls before or immediately after being rooted.
I've tried flashing different modems but I haven't been successful. Also, I have gone through the settings and disabled everything that could be causing the calls to be blocked. I have also called T-Mobile and they disconnected and reconnected my phone to the network and I have gone to one store to have the sim card replaced and that didn't help either. I have wiped the cache and the Dalvik cache and nothing. The only option left that I know is to factory reset the phone wich I'm trying to avoid because I have a ton of apps and my home screens are already setup and folders created and I don't want to do all this setup again.
Here is the weird part. Under just this specific scenario I can make my phone receive calls.
Make a call to any phone
Hangup a couple of seconds after the other phone starts ringing.
IMMEDIATELY BEFORE the call is terminated (lost) dial from the other phone (the one that was called in step 1). This should be within one second and no more after the call is lost.
If I follow this procedure then the call goes through and my note 4 receives it, but the call shall be made immediately after I hang up, otherwise it doesn't go through.
Does anybody have an idea of what could be happening?
Thanks!!
try this, go to settings all the down to calls and click on call rejection which says auto rejection turn that to off, ive had the Same problem and thats what help me out

Nokia 8 blocks incoming calls even after factory reset

Situation: there's a range of a dozen landline numbers that my phone seems to block. I see no notification incoming, the caller gets a few waiting tones and then goes to voicemail.
The landlines belong to a few of the buildings where I work, I've had contact with ISP and the supplier of all telecom services. They all found no problems whatsoever.
Since the problem disappears as soon as I put my sim in another phone, it really seems to point towards my phone as the problem.
I've done a factory reset (both via boot menu and via the usual menu in Android), and the problem persists. I have a 2nd sim in my Nokia 8 with a different number, problem does not appear on that sim. I can receive calls from the specific landlines without a problem on the 2nd sim.
Is there a deeper kind of reset I can do? If not: I've updated to Android 9 Pie somewhere in December. I'd like to go back to Android 8 to see if the problem persists. Is that feasible?

Question Call Disconnection

I have a problem with incoming and outgoing calls from the first day of use. Practically. several times a day, causally, the call is interrupted. I tried to change the sim slot, clear the cache app calls, reset the network, but nothing. The sim works perfectly on other phones. I did a complete reset of the phone and the problem didn't show up for a week but now it's back as before. Do you have any advice on what to try to fix the problem?
Anyone?

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