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T-Mobile WiFi Calling in Lollipop

http://www.androidcentral.com/t-mobile-add-wi-fi-calling-support-its-nexus-6-model-early-2015
Shipping with Android 5.0, the new Nexus 6 gives customers the latest and greatest Google mobile experience, and seamless integration with the apps they love. Plus, this hot new smartphone is expected to support Wi-Fi Un-leashed beginning in early 2015 with an over-the-air update– making it the first-ever Nexus device that will support Wi-Fi Calling thanks to enhancements in Android 5.0. And only with the Un-carrier can customers use the latest, super-sized devices the way they were meant to be used – with no annual service contract, no domestic overages and unlimited music streaming all on the nation's fastest LTE network, plus unlimited data and texting in 120+ countries and destinations − and now, Wi-Fi Un-leashed.
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Will this be exclusive to the Nexus 6? If it is, surely it will be possible to port it to the Nexus 5?
Here's to hoping we get this included in our 5.0 update.

my first thought, which is nothing more than a guess, is that this will be hardware based on the N6 and "unlocked" with a T-Mo OTA and will not be able to be ported to the N5.

Lucke said:
my first thought, which is nothing more than a guess, is that this will be hardware based on the N6 and "unlocked" with a T-Mo OTA and will not be able to be ported to the N5.
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considering Tmobile is making this feature available in early 2015 with an OTA I think you are right in guess that this will be something Tmobile bakes into the OS and not functionality native in Android L
Edit: Unless Google has a planned update for L in early 2015 that Tmobile knows about (I highly doubt it)

Improved network handoffs resulting in limited interruption in connectivity. For example, continue your video chat or VoIP calls without interruption as you leave the house and switch from your home Wi-Fi back to cellular
thats from here https://www.android.com/versions/lollipop-5-0/
I think wifi calling and voLTE are going to be baked into 5.0 no matter the carrier

david279 said:
Improved network handoffs resulting in limited interruption in connectivity. For example, continue your video chat or VoIP calls without interruption as you leave the house and switch from your home Wi-Fi back to cellular
thats from here https://www.android.com/versions/lollipop-5-0/
I think wifi calling and voLTE are going to be baked into 5.0 no matter the carrier
Click to expand...
Click to collapse
that's my suspicion as well..
google may bake hangouts code (or the hangouts dialer code) into the native dialer, making them one & the same -
http://forums.androidcentral.com/google-nexus-5/436152-nexus-5-likely-see-wi-fi-calling-over-t-mobile-soon-4.html#post3918556

david279 said:
Improved network handoffs resulting in limited interruption in connectivity. For example, continue your video chat or VoIP calls without interruption as you leave the house and switch from your home Wi-Fi back to cellular
thats from here https://www.android.com/versions/lollipop-5-0/
I think wifi calling and voLTE are going to be baked into 5.0 no matter the carrier
Click to expand...
Click to collapse
but that doesn't necessarily mean that t-mobiles wi-fi calling feature, or VoLTE compatibility is baked into 5.0. VoLTE is too new to test fully, and while that may work, you can't use VoLTE on wi-fi. the features you're talking about is the issue of dropping signal for that split second when you leave your house (the time where wi-fi drops off and cell doesn't re-establish itself instantly) for the purpose of hangouts (voice or video).
i still think that since the N5 isn't compatible with t-mo's wi-fi calling, it's not just a software thing.

that is talking about network handoff in general, nothing about hangouts. And the ota to enable this feature will be released next year so its probably being tweaked now to be ready for next year.
---------- Post added at 03:02 PM ---------- Previous post was at 02:58 PM ----------
also wifi calling has never been a hardware feature, its all software. back in the day of early CM(7 or 8) wifi calling was added to all the T-mo htc phones and it was the same as its being done today. A apps and a couple of libs in /system.

in other words, the feature doesn't need a carrier add -on (ims core registration), if it's OS software based..
even right now, we *have it* on the nexus 5, with gv / hangouts / number integration, on wifi & lte & I can stream a youtube vid & be on a call at the same time, so right now, it's a given in the userspace via apps, as an over the top solution (works dam well too)
a revision of android L may deeply provide a seemless solution with it's update; I suspect this much.. (the carrier's ims' Ok on data voice is only complementary) but, can be worked around..

j'vai said:
even right now, we *have it* on the nexus 5, with gv / hangouts / number integration, on wifi & lte & I can stream a youtube vid & be on a call at the same time, so right now, it's a given in the userspace via apps, as an over the top solution (works dam well too)
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its not the same thing. you go from cell signal call to a wifi call with the same number. it is not VoIP.

Zepius said:
its not the same thing. you go from cell signal call to a wifi call with the same number. it is not VoIP.
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even currently, hand-offs isn't reliable, votle / wifi calling is more, stationary than anything, from what I've been reading from the experiences of users on tmobile & Verizon..
with the over the top solution now on the nexus 5 (or many adroid devices), same difference;
one better, technically the nexus 5 isn't even supported on Verizon, but yet, can have voice over lte on Verizon (AWS) with a lte data only connection ..
on other networks, it matters not what the data air interface is, the call can be made, with one solution..

j'vai said:
even currently, hand-offs isn't reliable, votle / wifi calling is more, stationary than anything, from what I've been reading from the experiences of users on tmobile & Verizon..
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this is impossible. Verizon does not have wifi calling at this time.
you cannot compare VoLTE to tmobile's WIFI calling as they are not the same.
VoLTE is only VoIP over LTE. nothing more.
tmobile's wifi calling is a regular cell signal call that can become a VoIP call but still use the original tmobile number.

Zepius said:
this is impossible. Verizon does not have wifi calling at this time.
you cannot compare VoLTE to tmobile's WIFI calling as they are not the same.
VoLTE is only VoIP over LTE. nothing more.
tmobile's wifi calling is a regular cell signal call that can become a VoIP call but still use the original tmobile number.
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Click to collapse
look at what you've typed, & go back & re-read what you quoted from me...
......
"Keyan X
3 hours ago
The nexus 5 can access and use Verizon LTE its been proven and confirmed"
"iavaj jj
3 hours ago (edited)
+Keyan X I'm not disagreeing with you that it DOESN'T work; just expanding that, from my prior post, one can have unfettered data & voice on Verizon's LTE band 4, where coverage is..
Google gave the nexus 5 a backdoor with the new hangouts dialer.."
---------- Post added at 09:12 PM ---------- Previous post was at 09:08 PM ----------
Zepius said:
this is impossible. Verizon does not have wifi calling at this time.
you cannot compare VoLTE to tmobile's WIFI calling as they are not the same.
VoLTE is only VoIP over LTE. nothing more.
tmobile's wifi calling is a regular cell signal call that can become a VoIP call but still use the original tmobile number.
Click to expand...
Click to collapse
"on other networks, it matters not what the data air interface is, the call can be made, with one solution.. "
I'm on sprint, with gv integration, all I'd need is data -
http://forums.androidcentral.com/google-nexus-5/436152-nexus-5-likely-see-wi-fi-calling-over-t-mobile-soon-5.html
anywhere in the world, I'd have the same 202 (wash dc) area code calling out..

j'vai said:
even currently, hand-offs isn't reliable, votle / wifi calling is more, stationary than anything, from what I've been reading from the experiences of users on tmobile & Verizon..
with the over the top solution now on the nexus 5 (or many adroid devices), same difference;
one better, technically the nexus 5 isn't even supported on Verizon, but yet, can have voice over lte on Verizon (AWS) with a lte data only connection ..
on other networks, it matters not what the data air interface is, the call can be made, with one solution..
Click to expand...
Click to collapse
nexus 5 does not work on voice over lte(volte) that verizon has. yes, verizons volte just began. no, the nexus 5 does not work on it. only thing that the n5 can do on verizon is get data.

simms22 said:
nexus 5 does not work on voice over lte(volte) that verizon has.
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if it can ALREADY obtain the lte data service ( as in the youtube video) what would hinder gv from making & receiving calls with an over the top solution, with just Verizon acting as a dumb pipe?
it hasn't stopped me on sprint, nor tmobile, I guess it wouldn't stop me on att..
what would stop it on Verizon?

j'vai said:
look at what you've typed, & go back & re-read what you quoted from me...
......
"Keyan X
3 hours ago
The nexus 5 can access and use Verizon LTE its been proven and confirmed"
"iavaj jj
3 hours ago (edited)
+Keyan X I'm not disagreeing with you that it DOESN'T work; just expanding that, from my prior post, one can have unfettered data & voice on Verizon's LTE band 4, where coverage is..
Google gave the nexus 5 a backdoor with the new hangouts dialer.."
---------- Post added at 09:12 PM ---------- Previous post was at 09:08 PM ----------
"on other networks, it matters not what the data air interface is, the call can be made, with one solution.. "
I'm on sprint, with gv integration, all I'd need is data -
http://forums.androidcentral.com/google-nexus-5/436152-nexus-5-likely-see-wi-fi-calling-over-t-mobile-soon-5.html
anywhere in the world, I'd have the same 202 (wash dc) area code calling out..
Click to expand...
Click to collapse
you still do not understand the difference between VoIP, VoLTE, and wifi callling

I guess the majority are stuck on the schematics of volte, as only being ims based implemented by the carrier, also wifi calling or it ain't real -
"VoLTE, Voice over LTE is an IMS-based specification. Adopting this approach, it enables the system to be integrated with the suite of applications that will become available on LTE."
http://www.radio-electronics.com/info/cellulartelecomms/lte-long-term-evolution/voice-over-lte-volte.php
I'm not swayed by market speak, when the solution is at hand already, market speak sways many to purchases not needed, wen what they had in hand already could have done the job perfectly..

j'vai said:
if it can ALREADY obtain the lte data service ( as in the youtube video) what would hinder gv from making & receiving calls with an over the top solution, with just Verizon acting as a dumb pipe?
it hasn't stopped me on sprint, nor tmobile, I guess it wouldn't stop me on att..
what would stop it on Verizon?
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Click to collapse
thats fine, use your google voice number on the data only connection. you said that voice calls work over volte. when in fact they do not. older lte tech did not allow voice calls over lte, so when you made calls, you switched to H or 3G. this new tech allows calls over lte now, which needs a device that can call over lte. the nexus 5 can not call over lte, but most new phones will be able to now.

Zepius said:
you still do not understand the difference between VoIP, VoLTE, and wifi callling
Click to expand...
Click to collapse
market speak aside the division of wifi, lte, voip calling, is calls over data - which I expressed my sentiment here (posted for the second time)-
http://forums.androidcentral.com/google-nexus-5/436152-nexus-5-likely-see-wi-fi-calling-over-t-mobile-soon-5.html#post3929214
guess I need to copy & paste w/o the pics -
"have a hacker mindset, & push things to work how you want them;
forget simply wifi calling, I want it all, *data calling* irrelevant of the air interface used;
I have a truphone sim, that was collecting dust in my wallet for the longest, last night I decided to try something,
*use it*, lol
it had like $39 odd on it in credit, as stated, I'm a current sprint sub, with google voice integration, I've gave the truphone number to no one, it's basically dormant, minus test calls to keep the account alive, but it's no contact number for me..
what I'm did last night was swap my sprint sim, for the truphone sim, to utilize it's data, while still having my main sprint number via google voice, which I can receive & make, calls, videochat, mms, sms via hangouts, I've set hangouts to *receive incoming calls* since the native dialer isn't tied to the sprint sim anymore (so no double rings from hangouts & the native dialer)...
I want to see how far that $39 will take me..
at home & at work, I'm connect to wifi, so only in between, out & about am I utilizing truphone AKA tmobile's hspa data service-
all calls via the hangouts / gv / sprint number are nothing but data calls, ither on tmobile's hspa or wifi, likewise with sms, mms, & of course video chat.."
I won't have to upgrade from the nexus 5, for the same feature set..

j'vai said:
market speak aside the division of wifi, lte, voip calling, is calls over data - which I expressed my sentiment here (posted for the second time)-
[SNIP]
I won't have to upgrade from the nexus 5, for the same feature set..
Click to expand...
Click to collapse
congrats. you discovered VoIP.
VoIP is not the same as VoLTE
VoIP is not the same as WIFI calling.
i'm correcting you because you are spreading mis-information.

simms22 said:
thats fine, use your google voice number on the data only connection. you said that voice calls work over volte. when in fact they do not. older lte tech did not allow voice calls over lte, so when you made calls, you switched to H or 3G. this new tech allows calls over lte now, which needs a device that can call over lte. the nexus 5 can not call over lte, but most new phones will be able to now.
Click to expand...
Click to collapse
*my voice calls over lte with google voice on the nexus 5 works wOnders*
& I can use the browser, stream from youtube while on a call.. I don't have to wait for the carriers to *OK* the phone from their IMS core.. I simply go over the top of it, for the same functionality..

How do you activate wi-fi calling?

Does anyone know how to activate wi-fi calling on the Z5? I figured it'd be a menu setting, but I can't find it. I'm using the Taiwan version of the Compact and am using MetroPCS here in the States.
Thanks.

To answer my own question. It appears that wi-fi calling is only available with some carrier phones. So for instance, EE in England says on their setup page,
"WiFi Calling is only available on the EE version of the Sony Xperia Z5 Compact, bought directly from us in one of our stores, online at EE.co.uk, through our telesales team, or through corporate sales if you are a corporate customer."
So, I guess my question now is, is there a way to flash the phone so that I can get this feature on my non-EE phone? My carrier, MetroPCS, does allow wi-fi calling, but they don't sell the Z5 (and likely won't ever sell it).

You can try flashing the EE ROM with flashtool and see if you have that option. You will get carrier specific bloatware as well.

Would I be able to delete the bloatware? And I'm new to Android. When I flash, does it delete all of my settings and downloads and whatnot? I'm assuming I can back them up someplace in case it does, but like I say, I'm new to this. Also, where would I get the EE Rom from?

Look for Xperifirm. Download and install. You can get the firmware there. Next download flashtool version 0.9.19.10. You can bundle the firmware files into a ftf and flash, both with flashtool. Read the respective guides. To keep data, look at options when flashing and choose not to wipe user data. I would type it up but the instructions are on XDA, just search.

Neither WiFi calling or VoLTE will not work on the Sony Z5 unless your carrier/network offers the Sony Z5 for sale directly.
Note, WiFi Calling and VoLTE are two separate features but similar network functions on the operators side.
Note, MetroPCS is a sub-brand of the T-Mobile USA network so Metro is pretty much TMo USA.
Since T-Mobile USA does not offer the Z5 you will not be able to get WiFi calling working. In order for WiFi Calling or VoLTE to be supported the network operator must customize the ROM to include the WiFi calling and/or VoLTE network configurations. Unlike the typical SIM card and APN settings which are industry standard and can be adjusted manually. WiFi calling and VoLTE are somewhat more complex and include carrier/network specific security certificates to work. Apple can get away with supporting WiFi calling and VoLTE simply by swapping SIMs because the T-Mobile configs are loaded into their core iOS software which goes out to everyone around the world. (Probaly one of the reasons the iOS eats up so much storage...but i digress) Android runs much leaner and does not carry all the extra configs for all global networks...hence a carrier (i.e. T-Mo US) tweaked version of the Z5 ROM would be required for this all to work.
If T-Mobile USA offers the Z5 in the future you may be able to unlock the boot-loader and flash the T-Mobile specific ROM onto your phone and get WiFi Calling and VoLTE to work. But if T-Mo USA never offers the Z5 then you will never have WiFi calling supported.
Hope that helps....
WiFi calling and VoLTE are pretty much the same thing...just VoIP. And in most operators case WiFi Calling and VoLTE are the same back end network call processing systems. VoLTE is easier for the operator to secure as the customer is using the operators LTE and IP network. WiFi calling is seen on fewer operators as it requires more security since you can access the operators network from any public or private IP network.
---------- Post added at 10:28 PM ---------- Previous post was at 10:20 PM ----------
and in theory you could extract the WiFi calling stack form the EE network's Z5 ROM and load it into a custom ROM. That would give you the software capability to support WiFi calling....But you will still need the T-Mobile USA WiFi calling fqdn for the WiFi border controller and their security certificates which are typically specific to a handset model. And again since TMo does not offer the Z5 there are no Z5 certificates.

Ah, well that sucks.

Yeah I feel ya, I love WiFi calling too

Some network providers have their own apps to allow it. Like in the UK, O2 network has an app called TU go

All hope isn't lost - Android M is supposed to have a provision for wifi calling. I've read posts of people with Nexus 6's on M (google play editions, so no carrier specific models) that have been able to use wifi calling. The current loss of band 12 (hoping this will change too) as well as the loss of wifi calling as a fallback has been the only drawback to this otherwise excellent handset. I absolutely love the thing. It just works, no fuss.

I know this isn't helpful, especially for those outside of the US, but this is why I ported my number to google voice a long time ago. VOIP works great over Wifi for me most of the time and when I have LTE reception, I can still use Voip albeit with increased data consumption.

shizenyasuya said:
I know this isn't helpful, especially for those outside of the US, but this is why I ported my number to google voice a long time ago. VOIP works great over Wifi for me most of the time and when I have LTE reception, I can still use Voip albeit with increased data consumption.
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Click to collapse
Do you know of any guides for how this is supposed to work? I have Google Voice, and I have Hangouts, but I'm not sure how they're supposed to work in tandem for wi-fi calling. Would I be forced to actually open up the Google Voice app in order to make wi-fi calls? How is that any different from something like Talkatone?

Adrift98 said:
Do you know of any guides for how this is supposed to work? I have Google Voice, and I have Hangouts, but I'm not sure how they're supposed to work in tandem for wi-fi calling. Would I be forced to actually open up the Google Voice app in order to make wi-fi calls? How is that any different from something like Talkatone?
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Click to collapse
Yeah, that's a bit of a pain in the ar$3. I install google voice and hangouts on any phone/tablet I get, Google voice is necessary to route all outgoing calls through GV so that my GV number shows up on my call partner's caller ID. (even though you can dial directly from the native phone dialer) I install Hangouts to manage sms and google talk (now just google hangouts but specified to avoid... or contribute to, (as the case may be) confusion) messages. You can also dial directly from Google Hangouts (this is the only option when you're only using Wifi, without cellular signal) So my thought flow kinda goes like this.
To make a call:
1)check for cell signal, if there is signal, use the native dialer to place a call
2) if there is only WiFi, use hangouts (or hangouts dialer) to place a call
Receiving calls: (If you need help I can tell you the specific settings)
1)when the phone rings, determine if it's ringing via Hangouts or the native phone app
2) check for cellular signal and wifi signal
3) if cell signal is 2g only, only answer with the native phone app (sometimes hangouts will ring first) and I have to wait for the native phone app to realize there is a call coming in (forwarded of course to my cellular provider number from GV)
4)if connected to WiFi, or I have LTE coverage (sometimes even on 3g) pick up the hangouts ring.
Sometimes I do miss calls because I'm waiting for the native phone app to ring when I'm on 2g, but hangouts rings first and the native phone app doesn't ring, but those instances are fairly infrequent and I can just call them back.
---------- Post added at 04:51 AM ---------- Previous post was at 04:48 AM ----------
Adrift98 said:
Do you know of any guides for how this is supposed to work? I have Google Voice, and I have Hangouts, but I'm not sure how they're supposed to work in tandem for wi-fi calling. Would I be forced to actually open up the Google Voice app in order to make wi-fi calls? How is that any different from something like Talkatone?
Click to expand...
Click to collapse
Also, sorry I've never used Talkatone, so I don't know if it works any differently. You don't have to have google voice installed to make / receive wifi calls via hangouts. you just have to have opted in to hangouts on your google voice account. The ONLY reason I still install GV is to make sure that when I make outgoing calls from the native phone app, my GV number shows up on the recipient's caller ID. They should really just bake this into hangouts and completely depreciate the GV app.

You could port the t-mobile wifi calling apps from the z3. I ported wifi calling to my att g2 from the t-mobile rom. It's not really that hard if you know how to read logcats

Many retail mobiles have "Wifi Calling" function but not any menu entry to enable , The APP can check the hidden function and enable it if can use.
https://play.google.com/store/apps/details?id=com.widget7.wifi.calling

How to Use WiFi Calling

I've posted about this throughout the board, but I figured it would be better to make a thread since everyone keeps asking about it.
You'll need to install Google Voice and Hangouts Dialer and set them up. That's it. Just use the Hangouts dialer when making a call and it will do it over WiFi. If you wish to have people call you over WiFi, they'll have to call your Google Voice number.
This is a workaround, so you will be dealing with two numbers. Your carrier assigned number and your GV number. In my GV settings I have chosen to use GV for all calls, now I just have to get the number out to people. The other option is to port your current cell number over to GV, and then you won't have to notify anyone.
The VZW signal at my house is terrible, so this is what I do, and I can tell you it works perfectly. Hope this helps some of you with poor wireless reception.
Cheers.

This works so well, and I love the features that GV offers, call screening, texting from your computer, etc, plus the fact that I plan on buying unlocked phones going forward, that I decided to port my number over to Google Voice. Now it doesn't matter if the phone I buy supports my carriers WiFi calling or vice versa, and I'm only dealing with the one number I've had for years. Couldn't be happier.

Yeah, I just called ATT for help provisioning my daughter in law's replacement iPhone and while I had support on the phone I asked them about Wifi Calling and she said that our phone is not on the BYOD list for wifi calling. She said that very few phones are, it;s pretty much the iPhone 6 and 6s at this time.
Which is weird, because wifi-calling isn't even going through their network. That's the point of wifi calling, that you are using your phone on someone's wifi, so why does AT&T even give a rat's a$$ if you do that? So weird...

So if my network provider has WiFi calling as part of my deal as standard will it work without the work around?

combat goofwing said:
So if my network provider has WiFi calling as part of my deal as standard will it work without the work around?
Click to expand...
Click to collapse
If Wifi calling shows up in the settings menu, you should be all set, and won't need this. However, if you're on Verizon, like me, or AT&T like the poster above, chances are it's not showing up in your settings menu. So, if you want to make calls over Wifi, this is the way to go.

In the UK on EE ,importing it via the outrageous Amazon cyber Monday deal

spotmark said:
If Wifi calling shows up in the settings menu, you should be all set, and won't need this. However, if you're on Verizon, like me, or AT&T like the poster above, chances are it's not showing up in your settings menu. So, if you want to make calls over Wifi, this is the way to go.
Click to expand...
Click to collapse
I am on AT&T Mexico, wifi calling shows for me in settings but we dont have wifi calling over here yet.

TheDethEgineer said:
I am on AT&T Mexico, wifi calling shows for me in settings but we don't have wifi calling over here yet.
Click to expand...
Click to collapse
That's a fine how-do-you. I guess that's another case for GV.

spotmark said:
If Wifi calling shows up in the settings menu, you should be all set, and won't need this. However, if you're on Verizon, like me, or AT&T like the poster above, chances are it's not showing up in your settings menu. So, if you want to make calls over Wifi, this is the way to go.
Click to expand...
Click to collapse
I'm on AT&T and wireless calling is in settings. Haven't tested to see if it works yet though

immewnity said:
I'm on AT&T and wireless calling is in settings. Haven't tested to see if it works yet though
Click to expand...
Click to collapse
I'm on Verizon so I can't speak for AT&T, but in my case I don't have the option in settings.

Frankly, I don't care about Wifi calling except for that once or twice a year I am both out of cell coverage, but somehow manage to have wifi and need to make a call. With unlimited minutes and data, the need for wifi calling is pretty slim, but it would be nice for that once in a blue moon where you do.
I don't see why AT&T has to "support" the one feature that doesn't go through their network anyway...

After using Google Voice for free home service for about eight years now, I've also gone all in with it on my cell phone. I ported my cell number over to Google Voice, so I don't have to alert anyone of a number change, and I love all the features it offers. I can make/receive calls from my cell, computer, or home phone ( my Wifi ONLY tablet, too, if I want). All using my cell number. The lone home phone will receive calls to both our home phone number and my cell number. Texting can be done from my cell or computer. It offers call screening, call recording, conference calling, visual voicemail, and do not disturb. Finally, it makes all my calls as VOIP (internet) calls. So as long as I have a data signal, be it from my carrier or WiFi, it makes crystal clear calls. I absolutely love it. I wish I had made the switch years ago.

spotmark said:
This works so well, and I love the features that GV offers, call screening, texting from your computer, etc, plus the fact that I plan on buying unlocked phones going forward, that I decided to port my number over to Google Voice. Now it doesn't matter if the phone I buy supports my carriers WiFi calling or vice versa, and I'm only dealing with the one number I've had for years. Couldn't be happier.
Click to expand...
Click to collapse
This is Voice over IP (VOIP), not WIFI-Calling. WIFI calling is when your phone can seamlessly transition between cell network and WIFI, so you can receive network calls over wifi.

reverenddak said:
This is Voice over IP (VOIP), not WIFI-Calling. WIFI calling is when your phone can seamlessly transition between cell network and WIFI, so you can receive network calls over wifi.
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Click to collapse
Thank you, I'm well aware of that, but as I stated in my OP, this is a workaround for those of us who don't have the WiFi calling option.

spotmark said:
I'm on Verizon so I can't speak for AT&T, but in my case I don't have the option in settings.
Click to expand...
Click to collapse
Interestingly, after the most recent update, WiFi calling is an option in my settings menu. I'm on Verizon.

1901madison said:
Interestingly, after the most recent update, WiFi calling is an option in my settings menu. I'm on Verizon.
Click to expand...
Click to collapse
Does it work?

I don't know. I'll try when I get home tonight.

I can confirm that Wi-Fi calling works for T-Mobile on Oreo beta 1.

I can confirm that too... it works also for t-mobile on 7.1.1 :good:

Works on EE in the UK ,had to switch it on in call settings but working fine

Anyone enabled BT WiFi Calling with Pixel 3?

Has anyone been able to set up WiFi Calling using Pixel 3 on BT network (UK) ?
People report being able to do so with Pixel 1 and Pixel 2, but I just cannot get it working with my Pixel 3.
Anny advice/suggestions please?

Are you pay as you go or pay monthly?
That I'm aware of, Wi-Fi Calling is only available with EE and for pay monthly customers.
I know BT runs on EE network, but assuming it still works (which I'm not sure about), I would imagine they apply the same restrictions.
Anyway, I'm a EE PAYGo customer and still I do have the option to enable Wi-Fi Calling.
But still, I'm not sure it actually works.

Thanks matteventu, I am a monthly contract payer.
BT definitely DO offer wifi calling - but state that it is primarily iPhone and latest Samsung phones that they support.
Many report success with P1 and P2, so hoping P3 will be OK too....

I'm on EE contract and WiFi calling definitely works.

Stea1thmode said:
I'm on EE contract and WiFi calling definitely works.
Click to expand...
Click to collapse
Seconding, WiFi calling on EE working no problems.
Btw how do you check you have VoLTE enabled? Is there any visual indicator?

M3th0s said:
Seconding, WiFi calling on EE working no problems.
Btw how do you check you have VoLTE enabled? Is there any visual indicator?
Click to expand...
Click to collapse
Just make a phone call. If you see the network switches to 3G/H, then you don't have VoLTE. If during the phone call you still see the 4G/LTE icon, then you have VoLTE.
(Of course, don't be connected to WiFi to make this test call if you also have Wi-Fi calling XD)
The question indeed is: how do I get proof my Wi-Fi calling works?
I know if you enable it in the settings, then if you go in Info on this phone you see that in "mobile network" that it's not connected to LTE/HSPA, but to "IWLAN" - that from I understood stands for Wi-Fi calling.
The question is. I can enable Wi-Fi calling in the settings, and I do see IWLAN as mobile network type for calls (in place of LTE/HSPA) if I'm connected to Wi-Fi. But does this ASSURE me that I'll be using Wi-Fi for calls? Because I am a EE PAYGo customers and according to their info, I am not supposed to be able to use Wi-Fi calling. So, because I have the options it means I am using it, or the option just shows for everybody and if I'm a PAYGo customer even if I have it enablerd, it won't actually work?
Does anybody can think of any test I can do to see if it works?
Thank you!

matteventu said:
Just make a phone call. If you see the network switches to 3G/H, then you don't have VoLTE. If during the phone call you still see the 4G/LTE icon, then you have VoLTE.
(Of course, don't be connected to WiFi to make this test call if you also have Wi-Fi calling XD)
The question indeed is: how do I get proof my Wi-Fi calling works?
I know if you enable it in the settings, then if you go in Info on this phone you see that in "mobile network" that it's not connected to LTE/HSPA, but to "IWLAN" - that from I understood stands for Wi-Fi calling.
The question is. I can enable Wi-Fi calling in the settings, and I do see IWLAN as mobile network type for calls (in place of LTE/HSPA) if I'm connected to Wi-Fi. But does this ASSURE me that I'll be using Wi-Fi for calls? Because I am a EE PAYGo customers and according to their info, I am not supposed to be able to use Wi-Fi calling. So, because I have the options it means I am using it, or the option just shows for everybody and if I'm a PAYGo customer even if I have it enablerd, it won't actually work?
Does anybody can think of any test I can do to see if it works?
Thank you!
Click to expand...
Click to collapse
Thanks for the tip ! Was so used to the volte icon on the s8 that I had no idea how to check .
Allow me to return the favour .
Slide down the notification pane all the way to the bottom and if you have WiFi calling it'll have your network name + WiFi calling next to it .
Screenshot for reference

M3th0s said:
Thanks for the tip ! Was so used to the volte icon on the s8 that I had no idea how to check .
Allow me to return the favour .
Slide down the notification pane all the way to the bottom and if you have WiFi calling it'll have your network name + WiFi calling next to it .
Screenshot for reference
Click to expand...
Click to collapse
Ohhh I see. Then that's why I didn't know if it worked, because I never saw that "EE Wi-Fi Calling" and didn't even know it was supposed to be there with Wi-Fi enabled *and* actually working ?
Thank you, now I'm 100% sure EE stands to their terms lol and I have no Wi-Fi calling as PAYGo customer ?

Finally it works fine. I had to chat with BT Mobile and they had to activate it for me.
Happy Bunny

Asus Zenfone 6Z wifi calling activation

Here are the steps to activate Jio wifi calling on Asus 6Z. You need to enter code *#*#3642623344#*#* and this will activate special menu under Network settings. You need to deactivate Volte/Enhanced calling switch first then activate wifi calling and after getting wifi calling symbol again reactivate Volte switch. You need to repeat this after every restart of phone.
Link to video-
https://youtu.be/GfUqsbIr058

Why is there no prompt when I type and nothing appears on the phone interface?

You should go in network settings amd check change

kanghuihui said:
Why is there no prompt when I type and nothing appears on the phone interface?
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Click to collapse
That's how these cheat code works. It does the job in background. After entering, it should just go back to dialer without having press to call button. Then, check in settings.

There is wifi call in the settings, but there is no icon in the status bar after I turn it on. I follow the video

kanghuihui said:
There is wifi call in the settings, but there is no icon in the status bar after I turn it on. I follow the video
Click to expand...
Click to collapse
what is your pocation and handset model?

Model is zenfone6，Bought in Hong Kong

kanghuihui said:
Model is zenfone6，Bought in Hong Kong
Click to expand...
Click to collapse
Does your operator support wifi calling? In India this method works perfectly

There are Wifi calling functions in the settings, and the operations described in the videos and posts are also followed. There is no wifi call icon, and there is no attempt to call. Is it not supported in the Hong Kong version? Although this function is available, it is invalid.

Wifi calling already enabled on this Android Q, no need to d this..I am already using it
dial *#*#4636#*#* you will easily get WiFi enabled service

Does it really work though? After doing this, it refuses to make a call if you say wifi calling only which makes me think it still needs the mobile carrier to have a signal for calls.
Service is t-mobile fyi.

It is working flawlessly in India on Jio network. I have demonstrated in Video also

enkryptik said:
Does it really work though? After doing this, it refuses to make a call if you say wifi calling only which makes me think it still needs the mobile carrier to have a signal for calls.
Service is t-mobile fyi.
Click to expand...
Click to collapse
It only works in India (maybe some other places?). They don't seem to care about the US.
According to one of the mods on the Zenfone forum:
"When it comes to features like VoWiFi, VoLTE and so on. It's about testing, paying fees and signing contracts."
I don't think they care enough about the US (they don't really push the phone here) to pay the money. Don't hold your breath. Probably need to go custom ROM.

Custom ROMs didn't allow it to work on TMobile either. Glad some can actually use it though.

Volte doesn't work in the USA