Where is the T-mobile Wifi calling code in AOSP? - Android Q&A, Help & Troubleshooting

Back in Lollipop, Wifi calling was implemented into the Nexus 6, and AOSP. Where exactly is this code?

Related

Wifi-calling open sourced in new AOSP code

http://www.reddit.com/r/nexus6/comments/3b1yby/wifi_calling_has_been_open_sourced_in_aosp/
Very possibly this means that custom ROMs can use T-Mobile wifi calling. That would be awesome!

[Q] Wi-Fi Calling & VoLTE for T-Mobile users?

So, I see Wi-Fi calling and VoLTE is available in PA. I have the Verizon G3 (Obviously) and use T-Mobile as my carrier. Is it possible that the Wi-Fi calling would work for me since I'm on T-Mobile? Is it easy to merge? Does the modem have to be reworked or anything?

Why isn't VoLTE calling enabled by default on Android?

AFAIK VoLTE is a just a software client thing that every LTE enabled phone can support but it isn't embedded in Android by default but needs to be implemented by the carrier via their custom ROMs. If the carrier or whatever doesn't support it would revert back to 3G/2G while calling so I don't see the problem?
Seriously no one?
Sent from my XT1562 using Tapatalk

VoWifi (AOSPEx) on Le Max 2 (x829)?

So, my carrier suggests for themselves it's a proprietary solution they bake into their phone roms, and may well be. However, they've recently liberalized registration for this service which suggests they may be implementing broader access for devices.
Anyhow, I was just wondering - if we are to operate under the assumption that wifi calling works on my carrier and compatibility doesn't get in the way.... how would I actually activate it and verify that it is active? Ideally on this ROM, but if it's not too deviant, any process would be appreciated.
Thank you for any assistance.
I am using official RR oreo and wifi calling works perfectly fine with my carrier.
Heyyo! Your best option for testing it is to try out AEX or Pixel Experience as ShivaTehaPeddi is the guru of VoLTE, VoWifi and ViLTE and such. :good:
I'm unsure if he has the latest Canadian APN settings but my unofficial LineageOS 15.1 builds do include them.
I'm with Fido and when I tried it with Koodo Mobile both carriers I get IMS registration failed.
To check this? Enable VoLTE and VoWifi in your settings under mobile data.
Then go I to your dialer app and dial...
*#*#4636#*#*
It sometimes takes a few minutes to open if your phone is freshly booted.
Then in the menu select IMS status and hope for the best.
arpit1234567 said:
I am using official RR oreo and wifi calling works perfectly fine with my carrier.
Click to expand...
Click to collapse
With respect, that addressed literally nothing I asked.
I'm not on your carrier. I'm not asking if voWifi works generally. Etc. etc.
ThE_MarD said:
Heyyo! Your best option for testing it is to try out AEX or Pixel Experience as ShivaTehaPeddi is the guru of VoLTE, VoWifi and ViLTE and such. :good:
I'm unsure if he has the latest Canadian APN settings but my unofficial LineageOS 15.1 builds do include them.
I'm with Fido and when I tried it with Koodo Mobile both carriers I get IMS registration failed.
To check this? Enable VoLTE and VoWifi in your settings under mobile data.
Then go I to your dialer app and dial...
*#*#4636#*#*
It sometimes takes a few minutes to open if your phone is freshly booted.
Then in the menu select IMS status and hope for the best.
Click to expand...
Click to collapse
Sorry to only address this now, but I tried that and I just get a robot saying (with a seemingly Chinese accent, no idea if that's related or not): "Please enter 6 digit password for ... ip something .. account then press pound."
Any thoughts?

RedMi Note 9s global unable to use wifi calling and text

I was in an area with no tmobile network and was not able to use the wifi calling and mobile texting. I tried using tmobiles APN without success.
Anyone able to get wifi calling working?
I am on Mui global 11.0.11.
Any 3rd party rom with wifi calling working?
Thanks!
Correct. It doesn't work. This has been discussed before and is known. There's no apparent way to activate it. You can "unlock" the sliders in the settings menu for both wifi calling and VoLTE, but neither one works.
Anyone roms with working wifi calling and text?
Wifi calling does work with my Curtana 9S global. I'm on EE in the UK, no special permissions required from my operator, same with VoLTE. Both worked straight out of the box. Note the wifi calling icon in screenshot.
The problem might be down to your carrier.
galaxy6220 said:
Wifi calling does work with my Curtana 9S global. I'm on EE in the UK, no special permissions required from my operator, same with VoLTE. Both worked straight out of the box. Note the wifi calling icon in screenshot.
The problem might be down to your carrier.
Click to expand...
Click to collapse
I don't have "Network Preferences" listed.
galaxy6220 said:
Wifi calling does work with my Curtana 9S global. I'm on EE in the UK, no special permissions required from my operator, same with VoLTE. Both worked straight out of the box. Note the wifi calling icon in screenshot.
The problem might be down to your carrier.
Click to expand...
Click to collapse
I'm not saying I trust their word, but I spent some time talking to T-Mobile tech support, and he assured me it was a software issue. Maybe he was lying, but I'm hoping with MIUI, we may see it work.
mweich said:
I'm not saying I trust their word, but I spent some time talking to T-Mobile tech support, and he assured me it was a software issue. Maybe he was lying, but I'm hoping with MIUI, we may see it work.
Click to expand...
Click to collapse
Who knows when we'll get Mui 12.
Can anyone confirm wifi calling (tmobile USA) working with 3rd party ROM?
williamsonoma said:
Who knows when we'll get Mui 12.
Can anyone confirm wifi calling (tmobile USA) working with 3rd party ROM?
Click to expand...
Click to collapse
I'm in your exact situation. I also use T-Mobile. I also don't have a network preferences option. I unlocked both the wifi calling and the VoLTE option using the phone dialer codes that are posted on here somwhere. But neither seem to do anything as they are switched on. I'm inclined to believe that it IS IN FACT a software bug because I also have a Xiaomi Mi Note 10 using the same exact software (MIUI) and VoLTE and Wifi Calling work fine on that device.
xphyle1971 said:
I'm in your exact situation. I also use T-Mobile. I also don't have a network preferences option. I unlocked both the wifi calling and the VoLTE option using the phone dialer codes that are posted on here somwhere. But neither seem to do anything as they are switched on. I'm inclined to believe that it IS IN FACT a software bug because I also have a Xiaomi Mi Note 10 using the same exact software (MIUI) and VoLTE and Wifi Calling work fine on that device.
Click to expand...
Click to collapse
I hope mui12 will solve this issue. I need wifi calling.
I have Tmo as well. I was unable to get volte/WiFi calling to work either with stock or on Havoc 3.7. The only alternative I came up with was to activate WiFi calling within google voice as a backup. WiFi calling worked through gvoice. I tested by removing my Tmo sim, and was able to make a call via WiFi only.
I believe it is a combination of both software and Tmo network configuration. Texting is also finicky always. However, gvoice is the only solution that I have come up with.
My previous phone, Umidigi, WiFi calling did work on stock firmware, but not on third party.
I've spent way too much time dealing with T-Mobile tech support trying to get wifi calling to work. I think it is a mix of both software and carrier interference. From what I gather, the crux of the issue is that your carrier has to approve IMS Registration. I don't believe there is a way to force it, unless someone would like to tell me I'm wrong.
I love this device, but it is becoming difficult to keep with Wifi calling unavailable as my coverage in my house is terrible.

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