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[Help] Want to stop receiving phone calls while USB tethering

I hope this hasn't been answered before but searching through these forums with the keyword "tether" and also searching google I have found no solutions
I am tethering my phone's data connection to my laptop, but every time I receive a phone call my connection gets interrupted. I am using my phone's data connection because the wifi here is garbage cause the family is constantly streaming videos.
So what I want is a way to stop receiving calls or even better is my data connection not to be interrupted while receiving calls. Either way is a solution for me.
As an avid gamer, even a few seconds of disconnect feels like a lifetime. Hope someone can help! :good:

Check your operator if it support VoLTE. If yes and your phone software was modified by operator than you just need to activate VoLTE in data settings and you will be able to transfer data during calls.

rumpelst said:
Check your operator if it support VoLTE. If yes and your phone software was modified by operator than you just need to activate VoLTE in data settings and you will be able to transfer data during calls.
Click to expand...
Click to collapse
I'm sorry but what? Check my operator? I'm not quite sure what that means. I checked everywhere in settings and could not find something that resembled VoLTE. A more noob friendly walk through would help.
Edit: Looked around and found out that my phone doesn't have that option where some galaxy S8+ do have the option. How do I enable seeing it?

valueDD said:
I'm sorry but what? Check my operator? I'm not quite sure what that means. I checked everywhere in settings and could not find something that resembled VoLTE. A more noob friendly walk through would help.
Edit: Looked around and found out that my phone doesn't have that option where some galaxy S8+ do have the option. How do I enable seeing it?
Click to expand...
Click to collapse
Try enabling the do not disturb mode

rumpelst said:
Check your operator if it support VoLTE. If yes and your phone software was modified by operator than you just need to activate VoLTE in data settings and you will be able to transfer data during calls.
Click to expand...
Click to collapse
kclive said:
Try enabling the do not disturb mode
Click to expand...
Click to collapse
Still interrupts my connection, I still receive the call but it's just muted. If there was a way to forward all calls to voicemail maybe?

still having a really bad time over here guys help ?

ValueDD Did you enabled VoLte ? Without it data interruption during call is completely normal. If you are on 4G standard when incoming data call is detected then you phone need to switch to 2G to handle it and in this standard other data than vice call cannot be transmitted . Because of that couple years ago VoLte standard was developed which allows to handle calls in 4G technology. For VoLte working it need to be enabled on your phone which need to be supported by our carrier as a VoLte standard itself...If your phone is unsupported than you phone wouldn’t have voice over LTE switch present in the system.
Wysłane z iPhone za pomocą Tapatalk

Dual SIM VoLTE Verizon and Fi

Hi all,
Here is my situation and problem. I have 2 Sims:
SIM 1: Google Fi - my personal number, I want to use it for phone calls only even though it has a small data lan
SIM 2: Verizon - work sim, I want all the data to go through here.
My setting is phone call sim 1 and data Sim 2.
When I make a phone call via SIM1, I lost LTE on my SIM2.
I did call Verizon to get the CDMA LESS feature turned on.
If I were to change the setting to phone call and data through the same sim, then VoLTE works just fine. So I think this is an issue with the phone itself/settings.
Thoughts?

thetangstr said:
Hi all,
Here is my situation and problem. I have 2 Sims:
SIM 1: Google Fi - my personal number, I want to use it for phone calls only even though it has a small data lan
SIM 2: Verizon - work sim, I want all the data to go through here.
My setting is phone call sim 1 and data Sim 2.
When I make a phone call via SIM1, I lost LTE on my SIM2.
I did call Verizon to get the CDMA LESS feature turned on.
If I were to change the setting to phone call and data through the same sim, then VoLTE works just fine. So I think this is an issue with the phone itself/settings.
Thoughts?
Click to expand...
Click to collapse
You need to go into settings "SIM & network settings".
Select "Dual 4G networks".
I don't have your issue.

tech_head said:
You need to go into settings "SIM & network settings".
Select "Dual 4G networks".
I don't have your issue.
Click to expand...
Click to collapse
I do have this enabled...Didn't help

thetangstr said:
Hi all,
Here is my situation and problem. I have 2 Sims:
SIM 1: Google Fi - my personal number, I want to use it for phone calls only even though it has a small data lan
SIM 2: Verizon - work sim, I want all the data to go through here.
My setting is phone call sim 1 and data Sim 2.
When I make a phone call via SIM1, I lost LTE on my SIM2.
I did call Verizon to get the CDMA LESS feature turned on.
If I were to change the setting to phone call and data through the same sim, then VoLTE works just fine. So I think this is an issue with the phone itself/settings.
Thoughts?
Click to expand...
Click to collapse
I have a similar problem. Voice on SIM1 data on SIM2 different carriers. Receive calls and text OK answering won't work. Roaming in Europe. Worked OK prior to recent update. Same setup works on Samsung S10e

Tom Hardy said:
I have a similar problem. Voice on SIM1 data on SIM2 different carriers. Receive calls and text OK answering won't work. Roaming in Europe. Worked OK prior to recent update. Same setup works on Samsung S10e
Click to expand...
Click to collapse
Can't believe there are so few of us having this issue. Why would the LTE turn off when I'm not even using that sim?

Probably many are using just a single SIM.

Have you tried switching the sims in the slots?
Sent from my SM-T830 using Tapatalk

tcfiero said:
Have you tried switching the sims in the slots?
Sent from my SM-T830 using Tapatalk
Click to expand...
Click to collapse
I have no help. In January Mint had an issue where their SIM had to be in slot 1. So I flipped SIMs. Truphone won't work either.

How to enable VoLTE for LG V50 (Korean U+)

How to enable VoLTE on the korean U+? I've checked with my carrier and they confirmed that VoLTE service is active on my SIM. However I can't find any option to enable VoLTE in phone settings. I've only seen a VoLTE call quality option in phone settings - not sure if this means that it's already active. The status bag logo also shows just LTE when mobile data is enabled - no indication of VoLTE.

If you have mobile data showing LTE and it does not change to 3G (or something else) when you make or receive a call, then you are on VoLTE. That is my general understanding of it.

lallolu said:
If you have mobile data showing LTE and it does not change to 3G (or something else) when you make or receive a call, then you are on VoLTE. That is my general understanding of it.
Click to expand...
Click to collapse
Yes. It is changing to 3G when I'm making a call.

Sykander said:
Yes. It is changing to 3G when I'm making a call.
Click to expand...
Click to collapse
Ah ok. It seems you are not on VoLTE then. Sorry, I don't know how to activate it though.

i have the sprint version but am currently on tmobile network which (was switching me to 3g) during voice call or txt msg.
now that tmobile has been taking down 3g (and they are working on a tower in my area) i do not even see 3g symbol in notifications anymore. i can complete the call and there is no lte symbol or 3g symbol but call completes but can not use data still.
when i hang up i see lte and can use data (browse the web)
the funny thing is before i went to tmobile i had metro pcs in this area which uses tmobile network and i never had a volte problem so you know this is software and they just want us to buy more phones.
this exact phone worked on metropcs with volte no problem.

Question Wifi-Calling?

Greetings everyone!
Just got my Pixel 6a, love it so far, but i have one problem: Wifi Call doesnt work.
Whenever i try do a wifi call, i just get the message "out of network call"
Im using a german sim card from o2 (telefonica) and the thing is: my prior phone
was a redmi note 10 5g and with this phone (same sim card) wifi calling just worked like a charm.
so my question is: is there any trick to make it work? any explanation why it doesnt work with the 6a?
its a real bummer to go from a cheap a... redmi where this function just works fine to a nice and not so cheap pixel
(love google phones by the way, its my 3rd one), just to realize that something doesnt work as excpected.
i also tried a different os (calyx os), still no wifi-call.
help?

realCyphox said:
Greetings everyone!
Just got my Pixel 6a, love it so far, but i have one problem: Wifi Call doesnt work.
Whenever i try do a wifi call, i just get the message "out of network call"
Im using a german sim card from o2 (telefonica) and the thing is: my prior phone
was a redmi note 10 5g and with this phone (same sim card) wifi calling just worked like a charm.
so my question is: is there any trick to make it work? any explanation why it doesnt work with the 6a?
its a real bummer to go from a cheap a... redmi where this function just works fine to a nice and not so cheap pixel
(love google phones by the way, its my 3rd one), just to realize that something doesnt work as excpected.
i also tried a different os (calyx os), still no wifi-call.
help?
Click to expand...
Click to collapse
I'm using the Pixel 6a in Germany with o2 too - I've no issues with VoWifi and VoLTE. Are you shure you've enabled WLAN call in the accordant settings?

I use Google Voice...there an easier way w/o picking up an additional phone #?
On AT&T in the US...which is prolly why...lol

accuphase said:
I'm using the Pixel 6a in Germany with o2 too - I've no issues with VoWifi and VoLTE. Are you shure you've enabled WLAN call in the accordant settings?
Click to expand...
Click to collapse
i wrote that i used wifi calling with the redmi just fine, so i guess i know how to set it up, yes. so far i tried two o2 cards, no luck. question is, can you (you) really do phone calls by wifi or are you just using cellular without actually knowing. can you still do phone calls when airplane mode is on but wifi is enabled? do you see the wifi-icon onscreen (below number/name you're calling) when making a call?

realCyphox said:
i wrote that i used wifi calling with the redmi just fine, so i guess i know how to set it up, yes. so far i tried two o2 cards, no luck. question is, can you (you) really do phone calls by wifi or are you just using cellular without actually knowing. can you still do phone calls when airplane mode is on but wifi is enabled? do you see the wifi-icon onscreen (below number/name you're calling) when making a call?
Click to expand...
Click to collapse
can you really do phone calls by wifi ? Yes
can you still do phone calls when airplane mode is on but wifi is enabled? Yes
do you see the wifi-icon onscreen (below number/name you're calling) when making a call? Yes

realCyphox said:
i wrote that i used wifi calling with the redmi just fine, so i guess i know how to set it up, yes. so far i tried two o2 cards, no luck. question is, can you (you) really do phone calls by wifi or are you just using cellular without actually knowing. can you still do phone calls when airplane mode is on but wifi is enabled? do you see the wifi-icon onscreen (below number/name you're calling) when making a call?
Click to expand...
Click to collapse
Hi,
I'm having similar issues with my Pixel 6a, also in Germany. I use it with two SIM cards (o2/Telefonica physical SIM card and Vodafone eSIM). I have enabled Wifi Calling in the SIM card settings for both SIM Cards, but _most_ of the time, it doesn't work. The phone tries to use placing calls over cellular (my home office is in my basement, so cellular reception is pretty bad to non-existent, especially with Vodafone)
Most of the times, because sometimes it does work, then it shows up in the status bar and the wifi symbol is shown when placing a call. I couldn't yet figure out any correlation to when or why it works or doesn't, I have tried restarting the phone, putting it to airplane mode, deactivating and re-activating Wifi-calling - or just using one SIM card.
I'd say ~90% of the time it doesn't work.
btw I have used a Pixel 4a with the exact same setup / SIM cards before and didn't experience any issue whatsoever.
Do you have any workaround in the meantime?

Not sure if this helps any, but when entering *#*#4636#*#* on dialpad, going into 'Phone Information'
Is WIFI Calling Provisioned enabled like in my attachment?
Worth looking into:
How to Enable the Preferred WiFi Calling Option on the Verizon Pixel & Pixel XL
A tutorial on how to enable the Wifi Preferred mode in the WiFi Calling settings on the Verizon Google Pixel and Google Pixel XL.
www.xda-developers.com

andybones said:
Not sure if this helps any, but when entering *#*#4636#*#* on dialpad, going into 'Phone Information'
Is WIFI Calling Provisioned enabled like in my attachment?
Worth looking into:
How to Enable the Preferred WiFi Calling Option on the Verizon Pixel & Pixel XL
A tutorial on how to enable the Wifi Preferred mode in the WiFi Calling settings on the Verizon Google Pixel and Google Pixel XL.
www.xda-developers.com
Click to expand...
Click to collapse
Thanks for your answer. It is enabled for both sim cards indeed, though (WLAN-Anrufe eingerichtet is the option in German).

koenichlich said:
Thanks for your answer. It is enabled for both sim cards indeed, though (WLAN-Anrufe eingerichtet is the option in German).
Click to expand...
Click to collapse
Very welcome.
I'm sorry, I wish I was able to help with this!

I have found the error - it's actually caused by Blokada. I'm not sure whether it's just after some update of Blokada (I have used Blokada v5 for quite some time and regularly update) or the combination of Pixel 6a with Blokada, though. But Wifi calling always does work, when I disable Blokada.
Than I found this thread and have subsequently added com.android.phone and com.android.providers.telephony as bypass nad it does seem to work until now. Somebody else suggested bypass of Carrier provisioning service, I haven't tested yet, since as said it does seem to work now.
Just wanted to share my findings, if somebody else stumbles upon this thread.

Question Force disconnection from mobile network on one SIM

I'd like to force my Pixel 7 to disconnect from any mobile network, without using airplane mode. Do you know a way to achieve this?
Reason for asking this: I will travel abroad and use a secondary SIM to provide me with data, while using my primary SIM with voWiFi (or Backup calling). That'd would keep me reachable on my phone number and allow me to make calls/SMS @home at local rates.
The reason for having my primary SIM disconnected from any mobile network is due to the fact that my primary carrier will charge me for calls/SMS depending on the latest place I got connected to a mobile network. They charge roaming fees even when you're using voWiFi in airplane mode! I have tested this already on a previous trip.
One way would be to select a network manually, or a network that I know it won't connect. However, if I turn on and off airplane mode (to take a flight), the phone will connect to the latest network it connected successfully to.
So my strategy is to connect manually to my home network at home, hoping the phone doesn't magically connect to a network. That's why, I'd like to really make sure that the phone can't connect to any mobile network, just to be sure it won't connect to a network while roaming. But only on the primary SIM. For the other SIM I do want to get connected.
For those wondering, my carrier is T-Mobile NL.

Try messing up the apn details on your sim when abroad. That will prevent connection

The issue is that messing with apn won't prevent the phone to register to a roaming network. That alone will tell my carrier where I am and charge roaming fees accordingly...

@jasalta387 Interesting problem for sure. Can you forward your calls to the secondary (travel) sim and use WhatsApp or Signal to call on wifi? Or leave an auto message giving your foreign number. Any time you connect to the primary network you will be charged, no two ways about it on an Android device. I do believe the iPhone has that capability however. Even if you receive a text on the primary you will trigger a roaming charge. Perhaps the only way to avoid that is turning off the sim entirely while traveling. See if they have an inexpensive international plan?

Indeed, iPhone can easily be disconnected from a cellular network by selecting one that doesn't register. That setting sticks even while cycling through airplane mode or a device reboot. On Pixel this is not the case. Pixel will register again, hence my issue.
I know I could rely on 3rd party apps or services or call forwarding. Problem is that I then need to redirect all people who could reach me to them somehow, while using wifi calling is just fine. Even SMS come and go through it. I just need to not make my carrier aware I'm overseas. Hence my question.
I could use a second device that provides me data and keep my phone all the time in airplane mode. This needs that I carry the two devices all the time with the logistics of charging two phones and all of that. I just want to do it all with my Pixel.
I was thinking one thing: I need to go to the US. Is 3G dead there for good? Because then I could tell my Pixel to use 3G and not allow 2G. That'd keep it away from any accidental network registration upon landing.

jasalta387 said:
Indeed, iPhone can easily be disconnected from a cellular network by selecting one that doesn't register. That setting sticks even while cycling through airplane mode or a device reboot. On Pixel this is not the case. Pixel will register again, hence my issue.
I know I could rely on 3rd party apps or services or call forwarding. Problem is that I then need to redirect all people who could reach me to them somehow, while using wifi calling is just fine. Even SMS come and go through it. I just need to not make my carrier aware I'm overseas. Hence my question.
I could use a second device that provides me data and keep my phone all the time in airplane mode. This needs that I carry the two devices all the time with the logistics of charging two phones and all of that. I just want to do it all with my Pixel.
I was thinking one thing: I need to go to the US. Is 3G dead there for good? Because then I could tell my Pixel to use 3G and not allow 2G. That'd keep it away from any accidental network registration upon landing.
Click to expand...
Click to collapse
I'm intrigued by this and would love to find a solution for you. Oh yeah, 3G is dead across the US from all reports. So I'm trying to parse this scenario, let's see if I get this right. You want to have phone calls come into your primary phone line (Sim 1) but no network connectivity for data, right so far. Also you want SMS to the primary while roaming. The problem is that even if you don't get a phone call or text the connection to the network alone will trigger a billing instance, right so far again?
My daughter has an iPhone and turns off data on the sim but can get phone calls and text. As soon as she does though there is a daily billing charge of $10 because she's outside the US. I also think she can connect to wifi and make calls and text without a carrier network. But I'm not sure about. But that aside, how would you like it to work? Would you like it to connect to the network but not get charged unless you get a call or SMS? Because once a call comes in you're roaming charges will ensue. In airplane mode and strictly wifi there should be no charges but you say they bill you anyway right? Are you sure you didn't get a text or something to trigger the charge? I hope I'm reading this right.

My carrier bills calls and SMS based on the country of the latest connected cellular network. So if I don't connect to any network while I'm abroad my carrier will think I never left the country.
I don't want neither data nor calls/SMS on my primary SIM using cellular while abroad. I can get all calls and SMS via WiFi calling on that primary SIM. To get WiFi calling when I'm abroad I will use the data connection on my secondary SIM or any WiFi network.
Because of the need to get the secondary SIM on, airplane mode doesn't help me. So I need my primary SIM to never to any cellular network while I'm abroad.

jasalta387 said:
My carrier bills calls and SMS based on the country of the latest connected cellular network. So if I don't connect to any network while I'm abroad my carrier will think I never left the country.
I don't want neither data nor calls/SMS on my primary SIM using cellular while abroad. I can get all calls and SMS via WiFi calling on that primary SIM. To get WiFi calling when I'm abroad I will use the data connection on my secondary SIM or any WiFi network.
Because of the need to get the secondary SIM on, airplane mode doesn't help me. So I need my primary SIM to never to any cellular network while I'm abroad.
Click to expand...
Click to collapse
And if you turn off the sim then even WiFi doesn't work on your primary number?

If the SIM is turned off, then you don't get WiFi calling

Try the 4636 menu
Choose the SIM you want from drop down
3 dot menu top right
Disable data connection

jasalta387 said:
If the SIM is turned off, then you don't get WiFi calling
Click to expand...
Click to collapse
Is it possible to adjust the order of airplane mode / network /wifi on-off so as to not allow the sim to connect to the network but still allow wifi on the sim? So for instance, disable the sim, turn on airplane mode, turn on the sim and then enable wifi calling while in airplane mode, turn off airplane mode with data turned off on the sim. I can't believe with no data, calls, sms and only wifi the carrier will charge you roaming. That just doesn't seem right.

bobby janow said:
Is it possible to adjust the order of airplane mode / network /wifi on-off so as to not allow the sim to connect to the network but still allow wifi on the sim? So for instance, disable the sim, turn on airplane mode, turn on the sim and then enable wifi calling while in airplane mode, turn off airplane mode with data turned off on the sim. I can't believe with no data, calls, sms and only wifi the carrier will charge you roaming. That just doesn't seem right.
Click to expand...
Click to collapse
@jasalta387
I don't know if you would follow this suggestion...
But in case you are interested in it, this sounds like something you could pull off automatically with something like MacroDroid or Tasker or some other automation app -- even without being rooted! But I concur, it doesn't make sense that a carrier charge roaming when there would be no data, calls, or sms but only wifi....I'm of the opinion (previously stated somewhere in the thread here) that you might've either misread the bill and/or accidentally "caught" a text or transferred a byte of data and it triggered...

Hey there, I know it sounds harsh that a carrier bills this way. It is verified and discussed in a local forum here (in Dutch) https://gathering.tweakers.net/forum/list_message/74880578#74880578
Of course, here there are a few things at play:
1- the carrier wants to have a clear way of communication and support. If you are abroad, those are the prices you pay for. That's it. You know it for sure. They don't want to have to explain how to turn on VoWIFI and explain how to make that working for every phone, or explain to you that you made a call thinking you were on VoWIFI while you weren't. Their approach is crystal clear.
2- the carrier makes some extra income this way. While travelling in the US: for every SMS sent they charge 0.51 EUR, calls placed 1.27 EUR, calls received 0.76 EUR and 2.50 EUR per MB of data. For data, they sell some passes that makes the price more reasonable. Note that unlimited plans for domestic data/calls here start at 25 EUR per month.
3- In The Netherlands (and for pretty much every country in EU) people rely quite a lot on 3rd party apps for calls and texting, especially when you are abroad. WhatsApp is the go-to service, even for domestic communication. People don't even bother using their home carrier when travelling outside of EU. They just remove (or disable) that SIM. So the high cost of roaming is usually left to business users for which companies pay or make better deals with the carriers.
One thing I didn't mention is that in NL, pretty much all carriers limit VoWIFI to Dutch IP addresses. To use VoWIFI you'd need to use a router that tunnels all IP traffic via a VPN that has an exit point in The Netherlands. That's how I conducted my test and verified that all activity using VoWIFI was billed using the same fares as if I was using a roaming cellular network.
I want to try this using a secondary SIM from a Dutch provider, which will give me the Dutch IP address. Backup Calling on my primary SIM will make that SIM to connect to VoWIFI. But to get my home fares, I really need to make sure that my primary SIM doesn't connect to any network while I'm travelling (hence my original request).