Voice QoS on VoLTE connection - Xiaomi Mi Max 2 Questions & Answers

In the last 1 month Not 1 useful reply or solution!!
what a useful wasted forum...
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I am having this issue with Vodafone 4G SIM. Phone auto selects VoLTE network sometimes.
I make a voice call, I get a HD symbol but the quality of the call is pathetic.
There is a constant chopper sound in the background. I always have to disconnect the call and try after some time.
Vodafone says the issue is with the MI phone instrument / software. That this phone is sold as supporting VoLTE but actually it is not.
Are they right?
Can anyone confirm whether this is a ROM issue or the hardware is really not compatible to VoLTE?
how may it get resolved?
- I guess images are not allowed in posts so skipping attachments.

Well your confusion that MiMax 2 is really not compatible with VoLTE is misplaced, sorry couldn't help you out..
Good luck with the Vodafone SIM

Xiaomi4X said:
Mi max 2 does support VoLTE for sure, someone lied to you about the device being incompatible..
Click to expand...
Click to collapse
Lying or not solution to issue is what?
What does it mean Max2 supports VoLTE?
I keep getting static humming chopping sounds on the call on VoLTE mode.

Related

Speaker cutting in and out after update

Updated my phone to the latest update. I was looking forward to volte and simultaneous voice and data. Now my external speaker doesn't work right. When I'm on a phone call speakerphone doesn't work and the alarm sound cuts in and out. The odd thing is when I play songs off of Spotify the external speaker is fine. Has anyone else seen this issue since they took the new ota?
I've noticed that when I'm on a voice call the speaker has a lot of static noise when the volume is all the way up. When I turn the volume down or put it on speaker however, it sounds perfectly normal.
Yeah I have that same behavior as well. I still can't get the alarm to have sound. My phone just vibrates. No one else is having sounds issues after the OTA?
I had to turn off HD voice.
My volume is fine, but my volume up button rarely works. I have to go into settings to turn my sound up. Down is fine.
for all of you having issues try doing a FDR.
My alarm works fine but I'm using Zedge for my ring tones and notifications. Don't know if that has anything to do with it. What I little I have had HD voice switched on I get the same static noise in my speaker at full volume, no static with HD voice off. I agree with the_rooter about HD voice.
Posted by the the_rooter in the tread I started.
"to me it feels like advance calling is still in alpha stage. I have it off right now till i see it gets better"
Called Verizon on this issue. They had me turn off advanced calling and wipe the phones cache. I left the phone be for awhile as the sound stops working a few hours after reboot. Got the sound issue again so I rebooted the phone into safe mode. Still ran into the issue after a few hours. Finally I did an FDR and still had the same issue. Verizon is sending a new phone next week. I will keep everyone posted if this was a manufacturer defect.
So voice sounds great over car Bluetooth after update but earpiece on phone sounds like crap. Anyone else have this issue? Does the FDR fix the issue?
audiv8 said:
Called Verizon on this issue. They had me turn off advanced calling and wipe the phones cache. I left the phone be for awhile as the sound stops working a few hours after reboot. Got the sound issue again so I rebooted the phone into safe mode. Still ran into the issue after a few hours. Finally I did an FDR and still had the same issue. Verizon is sending a new phone next week. I will keep everyone posted if this was a manufacturer defect.
Click to expand...
Click to collapse
Just wondered if you received replacement phone. I just activated advanced calling last night and now my calls have static background noise.
I just went in to settings, turned advanced calling off, tried a call and sound was back to crystal clear. Then i turned advanced calling back on, tried a call and it had static hiss again. Obviously a glitch in the advanced call update.
Yensid eno said:
I just went in to settings, turned advanced calling off, tried a call and sound was back to crystal clear. Then i turned advanced calling back on, tried a call and it had static hiss again. Obviously a glitch in the advanced call update.
Click to expand...
Click to collapse
Glitch in advanced calling, period. I doubt its phone specific.
adrynalyne said:
Glitch in advanced calling, period. I doubt its phone specific.
Click to expand...
Click to collapse
I worked with Verizon tech support and after 2 hours of trying different things they sent me to a store to get a replacement phone and new sim card. This "UPDATE!" DID NOT FIX the problem of poor sound with Advanced Calling turned on for HD sound. Their explanation was that the update does not load properly and the only way to fix is new phone plus the new sim card, but this did not correct the problem.
Yensid eno said:
I worked with Verizon tech support and after 2 hours of trying different things they sent me to a store to get a replacement phone and new sim card. This fixed the problem of poor sound with Advanced Calling turned on for HD sound. Their explanation was that the update does not load properly and the only way to fix is new phone plus the new sim card, both are important to solve the problem.
Click to expand...
Click to collapse
I can't understand how a new phone would help anything. What's the difference between that phone and my phone? Is it a different build? Maybe a new SIM card and a full wipe?
Yensid eno said:
I worked with Verizon tech support and after 2 hours of trying different things they sent me to a store to get a replacement phone and new sim card. This "UPDATE!" DID NOT FIX the problem of poor sound with Advanced Calling turned on for HD sound. Their explanation was that the update does not load properly and the only way to fix is new phone plus the new sim card, but this did not correct the problem.
Click to expand...
Click to collapse
This is the first update that was released for advance calling and honestly it's still in the alpha stage. The service is buggy. It's not the phone. Why go talk to verizon when you can go directly to the source. Motorola....they are the ones that know the answer and they would give the same one you get here.
Yensid eno said:
I worked with Verizon tech support and after 2 hours of trying different things they sent me to a store to get a replacement phone and new sim card. This "UPDATE!" DID NOT FIX the problem of poor sound with Advanced Calling turned on for HD sound. Their explanation was that the update does not load properly and the only way to fix is new phone plus the new sim card, but this did not correct the problem.
Click to expand...
Click to collapse
This update wasn't aimed at address poor sound with advanced calling, so no big shock there.
The sound quality can probably be fixed from the network end. You dealt with a tier 1 tech who didn't know anything. These same complaints are made on other VoLTE enabled devices unless using HD calling, which is rather rare.
adrynalyne said:
Glitch in advanced calling, period. I doubt its phone specific.
Click to expand...
Click to collapse
adrynalyne said:
This update wasn't aimed at address poor sound with advanced calling, so no big shock there.
The sound quality can probably be fixed from the network end. You dealt with a tier 1 tech who didn't know anything. These same complaints are made on other VoLTE enabled devices unless using HD calling, which is rather rare.
Click to expand...
Click to collapse
The tech last night was a tier 2 and has spoken with others with the same problem. The unique issue with turbos is that wr cannot use data while on a call without the advanced calling on, so it is either bad call/data during call or clear call/no data while on a call. The technician i spokebwith today was also a tier 2 and was calling Motorola to inquire as his internal note system (forgot what he called it, those are my words) identifies a number of users with this issue and he had just completed 3 calls prior to my call.
Yensid eno said:
The tech last night was a tier 2 and has spoken with others with the same problem. The unique issue with turbos is that wr cannot use data while on a call without the advanced calling on, so it is either bad call/data during call or clear call/no data while on a call. The technician i spokebwith today was also a tier 2 and was calling Motorola to inquire as his internal note system (forgot what he called it, those are my words) identifies a number of users with this issue and he had just completed 3 calls prior to my call.
Click to expand...
Click to collapse
Go look at any Verizon VoLTE device and they all have the same complaint: poor quality unless an HD call.
It is not Turbo specific, no matter how much you want to believe that. I've done the tech support thing; they usually rely on guesswork and scripts unless you get in contact with someone not on the frontline--which you did not.
The turbo is a very popular device with Verizon right now, I am not shocked that others have called about this. What you are seeing is a result of popularity, because other VoLTE devices on Verizon also have this issue, indicating a more likely network issue. Either its a network issue or everyone with a VoLTE phone on Verizon keeps making the same mistake in their firmware. In that HD calling sounds great, I don't think its the devices at all.
Update. Holding my phone in landscape mode and pressing the speaker location with my thumb would cause the speaker to turn on and off. Good to know its the hardware. The new phone has since fixed the issue.
Yensid eno said:
I just went in to settings, turned advanced calling off, tried a call and sound was back to crystal clear. Then i turned advanced calling back on, tried a call and it had static hiss again. Obviously a glitch in the advanced call update.
Click to expand...
Click to collapse
When I was on the phone with Verizon they mention this as a know issue and that it would be fixed with an upcoming update. The advice I got was to just turn off HD Voice and wait for the update.
Support had me clear cache after turning off HD Voice.
I know other phones aside frone the Turbo have the sound problem if they have downloaded Advanced Calling and have HD sound turned on. The additiinal problem for Turbo users is that without the AC turned on we cannot use data while on a call. The technician did not know this to be an issue until i read him the error message that appears when attempting to use data while on the phone with AC off. I leave it off, but frustrating when i need to look up something for someone calling me or when using maps and a call knocks it offline. Oh well, hope for an update sooner rather than later.

Lollipop Mic problem

After updating to lollipop 270 people tell me that they have hard time understanding what I say in voice calls. The microphone test is OK but I still have problems. I tried to turn off the noise suppression but no effect. Anyone else with this problem?
I too have had this problem, although I am not sure if what I have done is a solution, but so far its working fine. Anyway what I have found is that if I go into Settings>More>Mobile Networks>Network Operators for some reason I had been lowered to a 2G network instead of 3G or 4G. This worked for me so far however as I said I am not sure if it is a solution.
demon148 said:
I too have had this problem, although I am not sure if what I have done is a solution, but so far its working fine. Anyway what I have found is that if I go into Settings>More>Mobile Networks>Network Operators for some reason I had been lowered to a 2G network instead of 3G or 4G. This worked for me so far however as I said I am not sure if it is a solution.
Click to expand...
Click to collapse
It is not that for me because I have full signal strength and I did a test on 2 and 3g and the problem persist.
I alsi have the same problem, almost every one tells me that they hear me stuttering on phone...... Please some 1 help us fix that issue btw this only happened after I got lollipop..
Vee1 said:
I alsi have the same problem, almost every one tells me that they hear me stuttering on phone...... Please some 1 help us fix that issue btw this only happened after I got lollipop..
Click to expand...
Click to collapse
Same here bro. In initial lollipop build the call quality was OK but now I barely can talk. Hope that Sony will fix it in next update
Same for me. People telling me that they cannot udnerstand me when calling.
I tried once to switch from 4G to 3G and then the person I called understood me. I will have to verify if this is maybe a work-around.
I did the Microphone check and it seems to work. I assume it is not a microphone issue. It seems to be some kind of (gsm) voice call transfering thing...
Anyway.. I enver had this problem before (on KitKat)...
Edit:
I just checked the Sony support forum.
There is a work-around for this that says disabling noice cancellation and other sound enhancements as well as setting the equalizer to normal can fix the problem.
Also Switching back to WCDMA only helped some people...
slugspine said:
Same for me. People telling me that they cannot udnerstand me when calling.
I tried once to switch from 4G to 3G and then the person I called understood me. I will have to verify if this is maybe a work-around.
I did the Microphone check and it seems to work. I assume it is not a microphone issue. It seems to be some kind of (gsm) voice call transfering thing...
Anyway.. I enver had this problem before (on KitKat)...
Edit:
I just checked the Sony support forum.
There is a work-around for this that says disabling noice cancellation and other sound enhancements as well as setting the equalizer to normal can fix the problem.
Also Switching back to WCDMA only helped some people...
Click to expand...
Click to collapse
Can confirm this works and thank you, this has been a ***** for people on the other end of the calls.
demon148 said:
Can confirm this works and thank you, this has been a ***** for people on the other end of the calls.
Click to expand...
Click to collapse
+1 . Setting it on wcdma resolves the problem but that is a temp fix because not in all places i have that covere. Hope Sony will fix it in next update.
slugspine said:
Same for me. People telling me that they cannot udnerstand me when calling.
I tried once to switch from 4G to 3G and then the person I called understood me. I will have to verify if this is maybe a work-around.
I did the Microphone check and it seems to work. I assume it is not a microphone issue. It seems to be some kind of (gsm) voice call transfering thing...
Anyway.. I enver had this problem before (on KitKat)...
Edit:
I just checked the Sony support forum.
There is a work-around for this that says disabling noice cancellation and other sound enhancements as well as setting the equalizer to normal can fix the problem.
Also Switching back to WCDMA only helped some people...
Click to expand...
Click to collapse
it works.
is sooooo much better.
thanks.

T-Mobile US VoLTE is broken

It seems VoLTE with T-Mobile US has broken on the 3T. Calls will come in as non-HD and SMS will not send with it enabled. Multiple confirmed reports on both 3.5.3 and 3.5.4.
Anyone experiencing this issue?
If so, please post here and in the bug thread: https://forums.oneplus.net/threads/volte-does-not-work.480271/
Additional discussion: https://www.reddit.com/r/oneplus/comments/5jdlz3/volte_breaks_sms_on_tmobile_us_3t/
edit: 8:10PM EST The issue is resolved for me!
lonequid said:
It seems VoLTE with T-Mobile US has broken on the 3T. Calls will come in as non-HD and SMS will not send with it enabled. Multiple confirmed reports on both 3.5.3 and 3.5.4.
Anyone experiencing this issue?
If so, please post here and in the bug thread: https://forums.oneplus.net/threads/volte-does-not-work.480271/
Additional discussion: https://www.reddit.com/r/oneplus/comments/5jdlz3/volte_breaks_sms_on_tmobile_us_3t/
Click to expand...
Click to collapse
I can confirm that this morning I was unable to send an SMS.. came here to look for threads.. disabled VoLTE and SMS sent just fine..
yup.. same issues here...
Same issue. Worked fine last night, this morning it's down. So many T-Mobile issues, starting to have some buyers regret (not remorse).
I'm on T-Mobile and having the same issue, I even factory reset but it wasn't fixed ??. I'm kind've glad I'm not the only one going through this. It started this morning at 9.20am to be exact.
It seems the issue is happening to those on the Axon 7/Nextbit Robin as well. T-Mobile must have changed something on their end.
https://www.reddit.com/r/tmobile/comments/5jdl90/can_receive_texts_but_not_send_them/
i had this issue this morning in NYC on tmobile. i went into airplane mode and out, and it resolved the issue. issue resurfaced later, but then enabled airplane mode again and issue went away. haven't had the issue since. think maybe some kind of upgrades being performed.
i'm able to send with voLTE on, voWIFI on, voLTE/voLTE off, and wifi enabled.
kramer987 said:
i had this issue this morning in NYC on tmobile. i went into airplane mode and out, and it resolved the issue. issue resurfaced later, but then enabled airplane mode again and issue went away. haven't had the issue since. think maybe some kind of upgrades being performed.
i'm able to send with voLTE on, voWIFI on, voLTE/voLTE off, and wifi enabled.
Click to expand...
Click to collapse
Im in Texas and airplane mode did nothing.. Still a problem.. Even rebooted the phone and still there.. With VoLTE activated, cannot send text messages. when placing a call it drops down to 3g to place.. VoLTE deactivated, i can send text message and calls seems normal.
Same issue, however turning off VoLTE FIXED the issue. Thanks. XDA.
same issue here, called T-Mobile and was told everything is fine on their end, they did create a support ticket, will see what happens.
OnePlus support useless as most of the time.
Anyone else call T-mobile? Everyone should call so they are aware of it?
---------- Post added at 12:08 PM ---------- Previous post was at 11:39 AM ----------
lonequid said:
It seems the issue is happening to those on the Axon 7/Nextbit Robin as well. T-Mobile must have changed something on their end.
https://www.reddit.com/r/tmobile/comments/5jdl90/can_receive_texts_but_not_send_them/
Click to expand...
Click to collapse
I wonder if T-mobile decided to kick out all unlocked phones from the VoLTE party....
vince1228 said:
Same issue, however turning off VoLTE FIXED the issue. Thanks. XDA.
Click to expand...
Click to collapse
Thought if fixed but it only lets me send texts. I can't. Make calls.
yea i spoke too soon. so basically if voLTE is on, i cannot send SMS. when i try to call, it falls back to H+.
with voLTE off, everything works as expected.
There IS an issue but it is on T-Mobile's end. Check out this website: http://downdetector.com/status/t-mobile.
B4oE said:
There IS an issue but it is on T-Mobile's end. Check out this website: http://downdetector.com/status/t-mobile.
Click to expand...
Click to collapse
There will always be a handful of users reporting issues; that doesn't look abnormal to me.
Yeah can't send SMS with VoLTE on. It had been working up until this morning so it's something with T-Mo. Hopefully it's temporary and they're not disabling VoLTE for unlocked phones permanently but that seems like a move they would do...
Edit: Have to turn off VoWiFi too to get any SMS to send. Well this is kinda bull**** now
lonequid said:
It seems VoLTE with T-Mobile US has broken on the 3T. Calls will come in as non-HD and SMS will not send with it enabled. Multiple confirmed reports on both 3.5.3 and 3.5.4.
Anyone experiencing this issue?
If so, please post here and in the bug thread: https://forums.oneplus.net/threads/volte-does-not-work.480271/
Additional discussion: https://www.reddit.com/r/oneplus/comments/5jdlz3/volte_breaks_sms_on_tmobile_us_3t/
Click to expand...
Click to collapse
Found this by Googling. This is not confined to the One Plus 3T. I have the Axon 7 and can't SMS while LTE is active, and phone calls drop out of LTE. I've also seen the Nextbit people having the same problem.
Same issue here. Same solution of turning off VoLTE. Hope T-Mobile isn't taking this away permanently...
only Unlocked "Chinese" phones are having the issue, OnePlus, ZTE, Nextbit etc.... all these Chinese companies probably didn't go though approval process, just figured out how to go around it.
Unlocked Motorola is fine....
Just curious.. has anyone heard from OnePlus yet or has T-Mobile say anything? I threw a pm to crystal z but doubt she will respond until middle of the night...
Sent from my ONEPLUS A3000 using Tapatalk
djr4x4 said:
Just curious.. has anyone heard from OnePlus yet or has T-Mobile say anything? I threw a pm to crystal z but doubt she will respond until middle of the night...
Sent from my ONEPLUS A3000 using Tapatalk
Click to expand...
Click to collapse
Oneplus tech support is pretty much useless, they just say is T-mobile, and wait.
T-mobile says nothing wrong with their network....
so both companies just pointing fingers at each other.

Mi 9 dropping connection on call waiting signal

Greetings.
Mi 9, MIUI Global 11.0.5
When in a call, and a call waiting comes in, the phone drops the connection, like the modem has been reset.
Anyone experiencing this or have any clues?
Thanks.
shafiro said:
Greetings.
Mi 9, MIUI Global 11.0.5
When in a call, and a call waiting comes in, the phone drops the connection, like the modem has been reset.
Anyone experiencing this or have any clues?
Thanks.
Click to expand...
Click to collapse
Nope!
I'm not having those issues.
Maybe to look in corresponding SIM Call settings, Call waiting function and check is it activated at all?
Thanks.
Call waiting is activated.
shafiro said:
Thanks.
Call waiting is activated.
Click to expand...
Click to collapse
Are you sure?!
Did you check this on operator side, that this option is activated 100%?
If yes, then I will first check SIM card and if this is OK then i will opt for factory reset.
Hi, fantastic day ahead.
Me too facing this issue since more than a month still.
I am using two networks in 2 SIM slots.
I am getting my existing call's voice dropped from my side when i receive a waiting call on screen, but call timer still continues (Call not disconnecting).
This issue is for calls from both the numbers (SIM1 as well SIM2), Then i realised, issue is not from network, it may be from UI of my phone (Redmi note 9 pro max).
Please help me any resolver.

Question Terrible Call Quality with longer calls

I keeps coming back and im fed up with it and cant find anything related to this online:
When i make call (in and outcoming 5G/WIFI, doesnt matter) the voice on the other side is just fine. But always after 5/10 minutes in the call the other person starts sounding like a robot and is hardly understandable.
Anyone has similar issues, is it modem related? 5G and wifi coverage are just fine. Let me know what i can try or is this just a hardware failure?
In settings, try toggling adaptive sound and/or adaptive network connectivity. Not a problem for me, though.
weinbers said:
In settings, try toggling adaptive sound and/or adaptive network connectivity. Not a problem for me, though.
Click to expand...
Click to collapse
Thanks, will try but dont think this will be it though...
I've had this on more than one Android phone, but they were both Pixel's. 3XL and 7. After about 10 minutes the caller would sound tin based, and/or robotic. I thought it was just the line being messed up, but now maybe it's a Pixel thing? Not sure. The times it happened were with a caller that was using VOIP, so I figured it was a mix between the both of us. When I call real landlines, or other mobile carriers, the calls are always crystal clear.
bobbyphoenix said:
I've had this on more than one Android phone, but they were both Pixel's. 3XL and 7. After about 10 minutes the caller would sound tin based, and/or robotic. I thought it was just the line being messed up, but now maybe it's a Pixel thing? Not sure. The times it happened were with a caller that was using VOIP, so I figured it was a mix between the both of us. When I call real landlines, or other mobile carriers, the calls are always crystal clear.
Click to expand...
Click to collapse
Yes this is the exact thing I encounter. Mostly with a colleague whos on a Samsung and probably also with wifi calling. Never had this issue with all the one pluses I had before the pixel...
Probably wont be Fixed anytime soon since I can't find anything similar online

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