VZW Extender? - Fascinate Q&A, Help & Troubleshooting

I'm sure that this problem is not unique to me. I live in a small community with poor cell service. I have a vzw booster, it's placed in my living room. That way I get good service in my yard. The problem is that most people in my town have become aware of it. We have some really questionable people that have become quite a nuisance, the type of people who you don't want to know when you are home or not. It's really starting to bother my wife. We can't even sit in our living room anymore with the windows shades open. I know that this probably the best place to post this. Can anyone help me out with blocking numbers or something. I'd hate to have to unplug it, I've searched for the answer. But have officially given up. :'(

I mean really? I paid for it, shouldn't I be able to control access just like a router?

Unfortunately it is just extending the cell service frequencies. All the same rules apply that apply to a cell tower. I'm sure Verizon could control roaming of phones on the device, but any low level tech would probably deny the possibility. They probably just don't have a easy one click solution. But i would call them and complain. Tell them you have limited data on your home internet and you don't want the whole neighborhood using your service.
There is also the possibility that your extender could be a repeater of the closest tower to you, in which case you could never deny any phone service because it would also cut that phones service from the tower.
Good luck, please post any info you gather.
Sent from my SCH-I535 using xda premium

XxStechxX said:
I'm sure that this problem is not unique to me. I live in a small community with poor cell service. I have a vzw booster, it's placed in my living room. That way I get good service in my yard. The problem is that most people in my town have become aware of it. We have some really questionable people that have become quite a nuisance, the type of people who you don't want to know when you are home or not. It's really starting to bother my wife. We can't even sit in our living room anymore with the windows shades open. I know that this probably the best place to post this. Can anyone help me out with blocking numbers or something. I'd hate to have to unplug it, I've searched for the answer. But have officially given up. :'(
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Click to collapse
I found this in the FAQ, it may pertain to you.
Can I manage and secure access to my Network Extender?
Yes. Only the Network Extender account owner can sign in to My Verizon to manage device settings. You can set your Network Extender for Open Access or Managed Access.
Open Access allows any Verizon Wireless phone within range to use your Network Extender.
With Managed Access, you can prioritize access to your Network Extender to up to 50 Verizon Wireless callers you select. Where a compatible tower is unavailable, callers that do not appear on your Managed Access list may access the Network Extender when not in use by priority callers. All callers may access the Network Extender for emergency (E911) calls.
Also Section 2 in the manual it also mentions this.
http://support.verizonwireless.com/pdf/network_extender_user_manual.pdf

Everything I find says I can set a priority list for 50 phones, but not block. Idk

Related

TMobile Signal Booster explained (a bit)

TMobile offers Signal Booster to take care on poor signal strength.
Just talked to TMO rep. He explained, the reason signal booster (SB) cannot be used in apartments, duplexes, condos, or townhomes there is no security is built in into it.
I.e. anybody within range can use your SB.
And if he/she makes 9-1-1 call, it might be traced back to your address. 99% it won’t, but 1% is there still. So there is a slim chance you can get unexpected police, fire dept, etc. visits and TMO don’t want to be responsible for it (obviously!).
I asked rep, why TMO won’t restrict SB to talk to registered phones only.
I can configure my WiFi access point to accept connection from selected MACs only.
SB can use IMEI, right?
He said TMO basically lends us nextivityinc product.
If I want this feature, I should suggest it to SB manufacturer
Called nextivityinc support too, talked to very nice guy Steve.
He confirmed SB neither has any built-in client devices restrictions nor they plan to add it.
As a workaround, SB coverage area can be changed easily.
SB coverage area is essentially a bubble (sphere) with radius equals distance between “WINDOW” and “COVERAGE” units with the center at “COVERAGE” unit.
That’s all. I hope, you’ll find this info useful.
To mods: I decided to put it on separate thread. If you feel it shouldn’t, please move/merge with another thread.
I have 1, but the signal is too poor to boost.
Sent from my HTC_Amaze_4G using XDA
jjlean said:
I have 1, but the signal is too poor to boost.
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How many bars cell phone shows where "window unit" is?
Will be useful to know for people who cannot decide whether get one or not.

simultaneous voice and data?

I got a Photon 4g, and I wanna know if there's anyway I can have simultaneous voice/data on 3G, I know its possible over "4G" (Wimax), and I really don't wanna buy a new phone outright. Will SVDO work on the Photon anywhere?
DiamondJay20 said:
I got a Photon 4g, and I wanna know if there's anyway I can have simultaneous voice/data on 3G, I know its possible over "4G" (Wimax), and I really don't wanna buy a new phone outright. Will SVDO work on the Photon anywhere?
Click to expand...
Click to collapse
To my knowledge this is not possible. Would be hella useful though.
only way is if "voice" if via VOIP such as google voice, skype or SIP provider.
I do it all day! WiFi and I talk and di email and FB! L
Sent from my MB855 using xda premium
i still don't get it, how in the world is this actually useful? should you focus be to the other person you're talking to?
A2CKilla said:
i still don't get it, how in the world is this actually useful? should you focus be to the other person you're talking to?
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Click to collapse
Smartphones have so many features nowadays that it is honestly difficult for any given person to make use of every one of them. Hence, there are some features that are diamonds to some and useless to others. Just because you in particular don't have a use for said feature, it can be be extremely useful to someone else. For instance, my girlfriend now lives a good 150 miles away. So a lot of our casual conversations are done for long periods of time over our phones. Should I be focusing on our conversation? Sure. Do I also wanna check xda, read an article with her to keep the conversation rolling, maybe watch a funny YouTube clip or something? Definitely. My point is, its not a feature that is visibly useless for everyone. You just don't have a use for it.
A2CKilla said:
i still don't get it, how in the world is this actually useful? should you focus be to the other person you're talking to?
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Click to collapse
you might have an email, or be in your car using it as the GPS with the phone on speaker or bluetooth, or wanna check an email you're talking to someone about, etc. A lotta times, when I've been on the internet with the Photon, I've missed calls, and that includes using my Strava cycling app, which simply maps where I'm going.
Calls/texts will interrupt downloads which is annoying when trying to download large files over 3g
Sent from my Kitchen Sync'ed MoPho!
As others have mentioned, if you have VoIP service independently of Sprint, there's nothing to stop you from using it on your phone. You can do a complete end-run around Sprint and cobble your own adhoc SVDO-ish work-around today. Your battery life will totally suck, and you'll be paying more money for VoIP from some thirdparty provider, but you can do it. Just run the client, forward your calls to your VoIP number, and you're in business.
So, why can't SPRINT do it? Simple. The service we all call "Call Forwarding" is heinously inefficient. It was invented ~25 years ago, and only works for its intended purpose (adhoc forwarding of calls to arbitrary numbers) because there are just a few people using it at any given point in time. If EVERYBODY (or even a large plurality of Android owners) tried doing it at once, Sprint would hit a hard limit beyond which no more users serviced by a given switch could forward calls until somebody else discontinued forwarding to free up a circuit (remember, ESS voice calls are circuit-switched, regardless of any packet-switched magic that might occur at the backhaul and trunk level. You'd be amazed how much metaphorical WD-40 and duct tape still gets used behind the scenes at Sprint, Verizon, AT&T, and T-Mobile to glue 21st-century wireless and 19th-century wired phone circuits together & make wireless calls look like landline calls to the PSTN).
To implement large-scale SVDO that's cost-effective, scalable, and sustainable, Sprint has to make much bigger changes that involve their switches (enabling them to terminate calls directly to VoIP instead of relying on adhoc ESS-type call forwarding) and signaling (sending notifications via the same mechanism used now to notify the phone of incoming calls, deliver text messages, and carry Google & Apple's push notifications). That way, instead of forcing your phone to establish and maintain an EVDO or LTE connection 24/7 and use it to poll for incoming calls, it can still use the more power-efficient 1x method, and simply notify the onboard VoIP app that there's an incoming call when it happens.
At the end of the day, it's one of those cases where it's easy for nimble, tech-savvy, and highly-motivated individuals willing to spend a few days learning and experimenting to take matters into their own hands and hack something into working for themselves, but it's a much bigger job to make it viable for the unwashed masses who want it to "just work" transparently without disclaimers, gotchas, and devastated battery life. It's the same reason why iPhones don't have wimax on Sprint. Apple point blank refused to even consider implementing something where users have to toggle it manually and be aware of their connectivity options at all times to really make it work right. Think I'm kidding? Find a nontechnical Sprint customer with wimax-capable phone, and check out their 4G settings. 95 times out of 100, they'll have 4G disabled, even in cities where there's been 4G service for more than a year. They went to the Sprint store, complained about not being able to "surf the web" (WE know their phone was probably thrashing back and forth between 3G and 4G & kept spending 5-20 seconds at a time in "no network connection" limbo), the employee toggled 4G off, handed the phone back to them, and they never had any clue what the employee actually DID. They were just happy that their phone quit endlessly saying they had no internet connection. ;-)

SM-G965U hotspot issues on Metro after leaving Boost.

I really hope I can get some timely help. This site has given me a lot of solutions in the past. The gears of war 5 tech test ends tomorrow and this happened yesterday in the middle of a game...
My s9plus is unlocked for any carrier. Bought it back in January for $150 and it initially was in Verizon. I got with boost and my hotspot always worked using the dun trick when making a new apn. About a month and a half ago, boost forced my phone randomly to connect to a tower that was less efficient. I went from 70mbps down and 10mbps up and 5bar signal to 6mbps down and less than 1 mbps up. My bar strength was at a constant 2/3 and the connection would constantly fluctuate, but I was still able to use the hotspot if I could find a spot in my home the connection would work.
Boost wouldnt correct this issue, and after all the troubleshooting with no solution, I switched to metro a few days ago. No part of me was concerned I would be losing something doing this. I had no clue, but assumed it would be fine.
My connection is 5 bars, lte, speeds are not what I hoped but upload speed is very solid. However, the hotspot will no longer connect my devices to the internet. I only use my xbox one and although it will connect to the hotspot, it will not share the internet. I spent a few hours trying to do several things, including using adb shell to change the dun value to 0. I would appreciate any advice, because where I live has no internet options and I'm freaking out as this was all I had and now its not working despite me doing everything right. I even tried using pdanet and making my computer a hotspot, but a double nat on my xbox isnt enough to let me connect to games, just gives me about 5mbps down and 1 mbps up.
Nowayyy said:
I really hope I can get some timely help. This site has given me a lot of solutions in the past. The gears of war 5 tech test ends tomorrow and this happened yesterday in the middle of a game...
My s9plus is unlocked for any carrier. Bought it back in January for $150 and it initially was in Verizon. I got with boost and my hotspot always worked using the dun trick when making a new apn. About a month and a half ago, boost forced my phone randomly to connect to a tower that was less efficient. I went from 70mbps down and 10mbps up and 5bar signal to 6mbps down and less than 1 mbps up. My bar strength was at a constant 2/3 and the connection would constantly fluctuate, but I was still able to use the hotspot if I could find a spot in my home the connection would work.
Boost wouldnt correct this issue, and after all the troubleshooting with no solution, I switched to metro a few days ago. No part of me was concerned I would be losing something doing this. I had no clue, but assumed it would be fine.
My connection is 5 bars, lte, speeds are not what I hoped but upload speed is very solid. However, the hotspot will no longer connect my devices to the internet. I only use my xbox one and although it will connect to the hotspot, it will not share the internet. I spent a few hours trying to do several things, including using adb shell to change the dun value to 0. I would appreciate any advice, because where I live has no internet options and I'm freaking out as this was all I had and now its not working despite me doing everything right. I even tried using pdanet and making my computer a hotspot, but a double nat on my xbox isnt enough to let me connect to games, just gives me about 5mbps down and 1 mbps up.
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I would contact your provider and ask to make sure that your phone is compatable with all of the services they have.
Because it is a Verizon phone originally (and even though network unlocked) it may not be able to connect to Metro's systems if it is using verizon's configuration for hotspot. If customer service confirms that a BYOD can use hotspot features, your phone is compatable, your line is properly configured for (and is actually supposed to have) hotspot data access then perhaps try flashing the firmware for MetroPCS and see if that helps. I know that my sprint phone had some stuff on it that was configured for Sprint so it would have never worked even after network unlocking and using a different provider. Flashing the phone with T-Mobile firmware solved that problem...
scottusa2008 said:
I would contact your provider and ask to make sure that your phone is compatable with all of the services they have.
Because it is a Verizon phone originally (and even though network unlocked) it may not be able to connect to Metro's systems if it is using verizon's configuration for hotspot. If customer service confirms that a BYOD can use hotspot features, your phone is compatable, your line is properly configured for (and is actually supposed to have) hotspot data access then perhaps try flashing the firmware for MetroPCS and see if that helps. I know that my sprint phone had some stuff on it that was configured for Sprint so it would have never worked even after network unlocking and using a different provider. Flashing the phone with T-Mobile firmware solved that problem...
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I should clarify that I did have access, I just hit the data cap. None of the steps I used helped me to use my hotspot after the data limit for metro
Nowayyy said:
I should clarify that I did have access, I just hit the data cap. None of the steps I used helped me to use my hotspot after the data limit for metro
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Click to collapse
So you hit a hotspot data cap with MetroPCS and you want to bypass/circumvent that so you can continue to use the hotspot?
If the above is correct then you essentially won't get any help here because of what your asking to do..
Whether or not anyone agrees/disagrees with the data cap you paid for a service that gives you a set amount of gigabytes for hotspot use. Attempting to bypass/circumvent that data cap so you can use more then what was included in the service can be construed as theft.
Either purchase additional buckets of data for use, wait until the data cap resets or find a better provider that offers you a larger (or unlimited) amount of data for use with hotspot functionality.
scottusa2008 said:
So you hit a hotspot data cap with MetroPCS and you want to bypass/circumvent that so you can continue to use the hotspot?
If the above is correct then you essentially won't get any help here because of what your asking to do..
Whether or not anyone agrees/disagrees with the data cap you paid for a service that gives you a set amount of gigabytes for hotspot use. Attempting to bypass/circumvent that data cap so you can use more then what was included in the service can be construed as theft.
Either purchase additional buckets of data for use, wait until the data cap resets or find a better provider that offers you a larger (or unlimited) amount of data for use with hotspot functionality.
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Click to collapse
I could post atleast 10 other threads on xda specifically showing people how to do what I'm asking, but I'm not really asking for your permission my friend, just anyone's advice if they know why I was never affected on boost when using dun in my apn, but dun and adb shell editing didnt work with metro, and what I could do about it.
Nowayyy said:
I could post atleast 10 other threads on xda specifically showing people how to do what I'm asking, but I'm not really asking for your permission my friend, just anyone's advice if they know why I was never affected on boost when using dun in my apn, but dun and adb shell editing didnt work with metro, and what I could do about it.
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Click to collapse
While it maybe true other threads on the subject, that doesn't mean they (or you) are in the right either. I was just stating a fact that what your trying to do can be construed as theft.
Within regards to why you essentially won't get much help here because of what your trying to do, I should have been more clear on the meaning behind that. Essentially the problem is how the provider detects and/or handles hotspot data. In this case it is obvious that MetroPCS has a different method for handling and/or detecting hotspot data use then Boost Mobile. I am not sure if anyone here would have the technical insight on what one does over the other as far as hotspot data... Granted it is always a possibility someone does, but I haven't seen many posts that indicate discussions go into those kinds of discussions.
I am poking around on the internet to see if I can find something that gives more technical details on how MetroPCS and Boost deal with hotspot data. Given that I currently have a severe thunderstorm in my area I don't know how much I can get accomplished before the power goes out (it's a pretty nasty storm).

Understanding Roaming on an Android Phone

There's a debate going on on a cruise forum I'm part of and a lot of bad info is getting thrown in. I thought I'd best ask the experts here and give them a definitive answer.
As you may or may not know cruise ships have their own mobile cell to allow mobile comms (I assume using satellite tech but that's not important!). People are claiming that once you are out of reach of a terrestrial signal with roaming turned on (as you need it to be to use free data/comms in the EU) your phone automatically jumps onto the ships cell and can then incur no end of costs for use of data and/or calls and texts. I have always thought that my android mobile won't jump onto a chargeable network (i.e. one that my provider does not have a free deal with) without asking me but I'm no where near 100% sure of that.
Does anyone have the patience to explain this to me, perhaps it's even a setting in the OS somewhere?
Thanks.

Question US version (XQ-CT62) t-mobile: no data/internet connection??!!

hi community, i got my usa version of 1 iv and worked with mint-mobile (using t-mobile's network) to connect/activate. Calling/word text worked fine (image via text did not work), but no internet/data connection over 5g/LTE while browsing. Tech support could not get it working and escalated ... wondering if anyone would know how/what could be done. Thx!!
You must be missing the APN config on your device for TMobile. also, check if mobile data is enabled.
Here is T-Mobile info on how to setup Tmobile USA APN:
Tutorials | T-Mobile Support
Not related to the post (getting T-Mobile service) on any of the Asian firmwares at the moment.
I flashed the Euro, US firmwares and no signal at all. The radio power in hidden menu shows as off.
Does anyone know if crossflashing with this model also flashes the radio modem?
Seems to have worked naturally for Xperia 1 II and Xperia 1 III.
Not sure why this doesn't work now aside from intentionally restricting the phone to the intended region model.
Mine is XQ-CT72 global version on US T-Mobil.
I'm getting 800+, but US version should be better because of better band selection.
Mine goes that fast only certain places.
xperialiker said:
hi community, i got my usa version of 1 iv and worked with mint-mobile (using t-mobile's network) to connect/activate. Calling/word text worked fine (image via text did not work), but no internet/data connection over 5g/LTE while browsing. Tech support could not get it working and escalated ... wondering if anyone would know how/what could be done. Thx!!
Click to expand...
Click to collapse
I own the USA variant of the phone and I have absolutely no issues with 5G data nor wi-fi. The only issues I am experiencing is the fact that voice over Wi-Fi has not been provisioned. Coincidentally my phone also tells me within engineering mode that video over Wi-Fi is also not implemented. Sony wants to point the finger at T-Mobile and T-Mobile wants to point the finger at Sony.
Other than that I love this phone.
hnt20 said:
You must be missing the APN config on your device for TMobile. also, check if mobile data is enabled.
Here is T-Mobile info on how to setup Tmobile USA APN:
Tutorials | T-Mobile Support
Click to expand...
Click to collapse
I have the correct APN that you mentioned and still no luck for voice over Wi-Fi. I spent over half an hour with a T-Mobile troubleshooting technician and she was not able to remedy the scenario. They have created a trouble ticket and forwarded up the food chain. They claim you will take about 3 days for them to get back to me so cross your fingers (VoWifi).
igotroot said:
I have the correct APN that you mentioned and still no luck for voice over Wi-Fi. I spent over half an hour with a T-Mobile troubleshooting technician and she was not able to remedy the scenario. They have created a trouble ticket and forwarded up the food chain. They claim you will take about 3 days for them to get back to me so cross your fingers (VoWifi).
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Click to collapse
Ah, that is a different question. that means you are able to get data and your problem is only with VoWiFi which is expected. your original post question was totally different.
Sony blocks TMO VoWiFi in their software by blocking the network code in their settings. You will never get VoWiFi with Sony and TMO together unless you root and hack your sony build settings to enable it.
Your next best option is to move to GoogleFi that uses TMO network and you will be able to get the full VoWiFi service there since it has different network code.
hnt20 said:
Ah, that is a different question. that means you are able to get data and your problem is only with VoWiFi which is expected. your original post question was totally different.
Sony blocks TMO VoWiFi in their software by blocking the network code in their settings. You will never get VoWiFi with Sony and TMO together unless you root and hack your sony build settings to enable it.
Your next best option is to move to GoogleFi that uses TMO network and you will be able to get the full VoWiFi service there since it has different network code.
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Click to collapse
Rats. I've been looking to upgrade from my Note 10+ on T-Mobile, and the Xperia 1 IV looked promising, but VoWiFi being nerfed is a non-starter for my needs. Curse the manufacturers for moving away from expandable storage!
T-Mobile basically did a bunch of farting around and could not provision Wi-Fi calling on my phone. I have confirmed from at least three people on XDA developers that the workaround is to jump on board with Google fi since they do support Wi-Fi calling provisioning.... Or somehow root your phone and find an engineering workaround.
igotroot said:
T-Mobile basically did a bunch of farting around and could not provision Wi-Fi calling on my phone. I have confirmed from at least three people on XDA developers that the workaround is to jump on board with Google fi since they do support Wi-Fi calling provisioning.... Or somehow root your phone and find an engineering workaround.
Click to expand...
Click to collapse
It is Still a good attempt from TMO to try to help, It is really not TMO fault here as nothing they can do. Sony is at fault blocking TMO network code in their VoWiFi software.
Sony has decided to block this service from the second largest US carrier, wondering why Sony sales not picking up in the US
seriously genuine question......why is that so important? I mean, can't you just call a person on whatsupp or telegram or any other service? After all, it is just VOIP, right?
kinggo2 said:
seriously genuine question......why is that so important? I mean, can't you just call a person on whatsupp or telegram or any other service? After all, it is just VOIP, right?
Click to expand...
Click to collapse
Since WCDMA and GSM are sunset, if you want to call someone or receive calls with your phone, you need VoLTE or VoNR. TG and Whatsapp are not that popular in the US, and imagine someone wanting to use their phone as a phone....
well, I get that. We still have 3G and GSM. And every time I work on new rollout things are more and more complicated because of all generations are still in use. Connecting to a unknown wifi every time seems very not practical and if it is not opened public network (which again is not great) how does that work then? I get it if you are at home/family/friends but my question is more like, no cell signal, jut some random wifi. To me it looks more like a patch then an actual service/solution for the lack of cell signal. Or is that something that you really can rely on?
kinggo2 said:
seriously genuine question......why is that so important? I mean, can't you just call a person on whatsupp or telegram or any other service? After all, it is just VOIP, right?
Click to expand...
Click to collapse
The issue is when I'm in my local public supermarket there is no T-Mobile coverage in the building. There is Wi-Fi and I do use Google meet and other apps over Wi-Fi but if someone calls my phone number my phone will not receive the call. That is the point.
Someone would have to actually know that I'm in a no coverage area and utilize one of those other apps to reach me. If not businesses, job offers, local businesses that don't know me personally, someone new that I've met etc etc would never get through to me and I would eventually receive some type of voicemail message indication. That is unacceptable when you have children and other family members and friends that need to get in contact with you immediately.
igotroot said:
but if someone calls my phone number my phone will not receive the call. That is the point.
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Click to collapse
Exactly the point, your phone number is the primary way many reach you. if your phone does not have any 3G\4G\5G coverage, then WiFi might be your only other option that gives people the ability to call you directly with your phone.
OK, but who provides wifi? I get that is is just a voip, but you still need internet connection. So instead of cellular it uses wifi.
Here, in many big business buildings or malls we have indoor base stations, sometimes it is combo indoor and out door. Indoor usually is set up as MIMO so all of the providers share the same indoor infrastructure.
Also, many of public places have a wifi but since we are covered with cell signal, nobody really cares about it. Mostly because you can't just connect to it. you need a pass from your bus ticket or your bill in bars or are greeted with front page of the mall that wants you to register and so on. So using wifi here is PITA, that's why I wonder how all that works there and why is it such a big deal.
kinggo2 said:
OK, but who provides wifi? I get that is is just a voip, but you still need internet connection. So instead of cellular it uses wifi.
Here, in many big business buildings or malls we have indoor base stations, sometimes it is combo indoor and out door. Indoor usually is set up as MIMO so all of the providers share the same indoor infrastructure.
Also, many of public places have a wifi but since we are covered with cell signal, nobody really cares about it. Mostly because you can't just connect to it. you need a pass from your bus ticket or your bill in bars or are greeted with front page of the mall that wants you to register and so on. So using wifi here is PITA, that's why I wonder how all that works there and why is it such a big deal.
Click to expand...
Click to collapse
There are many places that I have frequented where cellular data and cellular calling will not go through. In those places Wi-Fi is available. While you can use WhatsApp and other individual applications to make video calls and even voice calls you will not be able to receive native incoming calls when someone calls your regular phone number nor will you be able to use your native dialer to make a regular phone call if Wi-Fi calling is not provisioned on your phone. Unfortunately our phones do not get provisioned for T-Mobile Wi-Fi calling apparently due to some issue between the Sony and T-Mobile. So by switching to another carrier or mvno, Wi-Fi calling will be enabled reportedly.
UPDATE: Switched to Google Fi.... Problem solved. Wi-Fi calling now enabled.
That part I get, but still don't know which wifi do you use for that. For mobile network, there is a SIM that handles the connection between cells. Phones can't connect to any available wifi, right. So..... I get what it is, but as someone who works on cell towers installations and from perspective of wifi networks here and my knowledge I still don't get which wifi do you use in that case.
kinggo2 said:
That part I get, but still don't know which wifi do you use for that. For mobile network, there is a SIM that handles the connection between cells. Phones can't connect to any available wifi, right. So..... I get what it is, but as someone who works on cell towers installations and from perspective of wifi networks here and my knowledge I still don't get which wifi do you use in that case.
Click to expand...
Click to collapse
It can work on any Wi-Fi network that has adequate bandwidth. I can go to my local Publix supermarket....no cellular signal in there: I turn my WiFi on, I can make/receive calls with the native phone dialer. No cellular tower needed.
Even tested this at home.... I turned Airplane mode on, then afterwards I ONLY turn wi-fi on.... Calls can be made/received.

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