Plans for VOLTE on ROG Phone II

[kkithoe47]

So, I am one of those ROG Phone II owners (global version) and go figure, I do not have VOLTE on my phone as well. I've been reading up some posts and forums in regards to VOLTE. What I get from it all is that the option for VOLTE requires both parties (carrier and and phone software) to fulfill certain criteria and ASUS apparently have to get confirmation from carriers so that VOLTE can function. So here's the thing, I know that the ROG Phone II is capable of VOLTE. But I am not sure whether the feature is enabled or disabled in the ROM or its just that my carrier is not sending the information required (IMS registration) for VOLTE to be enabled on my phone.
One thing is for certain is that I know my carrier has VOLTE. So which is it? ROM side or Carrier side that needs to enable whether that needs to be enabled for it to work?
I have read someone actually succeeded in enabling VOLTE by forcefully enabling it (editing system level file and ADB sideload). Obviously doing so voids warranty but this also tells me that ASUS colud actually just enable the feature and that would be up to respective carriers' to support this feature. Can ASUS simply just leave VOLTE option on then?

[kkithoe47]

jetjosh92

https://zentalk.asus.com/en/discussion/comment/33212#Comment_33212

I am going to put this other thread for reference

https://zentalk.asus.com/en/discussion/comment/31895#Comment_31895

So I did something similar to this guy who said he got it to work but the difference is I definitely have VoLTE available so I called up my own local carrier and this what happened...I told them that I wasn't getting any VoLTE service and they pulled out my account status on their system and actually reset the 4G VoLTE service on my line and it did not work. It did not trigger anything so it did not work.

And I can tell you for sure once I put my sim card in my other phone, it triggered the VoLTE service right away and got the IMS registration details right away...ROG Phone got nothing and there was no trigger...So I am just going to confirm something for everyone...you can tweak the files to get the VoLTE options to show up in the network settings but if you don't have a IMS registration from your carrier...you will get no VoLTE service.

So my local carrier is going to get back to me again because they are still under the impression that I am using my Huawei P30 Pro and it is not working still. Honestly I feel bad for giving them misinformation but I am just trying this out for everyone's sake as well.

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Much appreciated for your effort man.

[jetjosh92]

Here to give an update today, my local carrier came back to update me on the status on their findings and of course I maintained that I did not do any device change which they are found to be quite odd but they will check on it again I am just hoping that they might ask for a screenshot of the ROG Phone ll's Phone information tab and maybe just do some settings or changes on their end and it might work that way.
But this just confirms that if your device isn't supported by the Carrier you ain't going to get VoLTE on your phone. It is just a simple as that. No point going the lengths of trying to tweak the working files from the phone and potentially getting yourself in a unhappy situation just to get the VoLTE option to show up on your network settings. It is really about your device getting a IMS registration from your carrier. So fingers crossed still and hopefully I am able to post something positive here.

[OPC]

jetjosh92

Here to give an update today, my local carrier came back to update me on the status on their findings and of course I maintained that I did not do any device change which they are found to be quite odd but they will check on it again I am just hoping that they might ask for a screenshot of the ROG Phone ll's Phone information tab and maybe just do some settings or changes on their end and it might work that way.

But this just confirms that if your device isn't supported by the Carrier you ain't going to get VoLTE on your phone. It is just a simple as that. No point going the lengths of trying to tweak the working files from the phone and potentially getting yourself in a unhappy situation just to get the VoLTE option to show up on your network settings. It is really about your device getting a IMS registration from your carrier. So fingers crossed still and hopefully I am able to post something positive here.

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My experience is the same and this is something Asus will have to deal with carriers. Which I hope they will do, like other smartphone producers did. I still have faith.

[kkithoe47]

jetjosh92

Here to give an update today, my local carrier came back to update me on the status on their findings and of course I maintained that I did not do any device change which they are found to be quite odd but they will check on it again I am just hoping that they might ask for a screenshot of the ROG Phone ll's Phone information tab and maybe just do some settings or changes on their end and it might work that way.

But this just confirms that if your device isn't supported by the Carrier you ain't going to get VoLTE on your phone. It is just a simple as that. No point going the lengths of trying to tweak the working files from the phone and potentially getting yourself in a unhappy situation just to get the VoLTE option to show up on your network settings. It is really about your device getting a IMS registration from your carrier. So fingers crossed still and hopefully I am able to post something positive here.

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Appreciate the trouble of going through all the hassle to get some findings man. I seriously have no idea how carriers choose which phones are alright to have VoLTE and which phones do not. I suspect it's either the company "pays" the carrier to have them chosen or carriers select by which phones brands have the largest share in the market like Samsung and Apple.
It's still boggles my mind why all this certification for individual phone manufacturers to get to have VoLTE enabled crap. Just turn it on for everybody. If a phone is not able to support VoLTE then, no VoLTE. If yes, then VoLTE enabled. That would have made everybody's lives easier.

[jetjosh92]

kkithoe47

https://zentalk.asus.com/en/discussion/comment/33435#Comment_33435

Appreciate the trouble of going through all the hassle to get some findings man. I seriously have no idea how carriers choose which phones are alright to have VoLTE and which phones do not. I suspect it's either the company "pays" the carrier to have them chosen or carriers select by which phones brands have the largest share in the market like Samsung and Apple.

It's still boggles my mind why all this certification for individual phone manufacturers to get to have VoLTE enabled crap. Just turn it on for everybody. If a phone is not able to support VoLTE then, no VoLTE. If yes, then VoLTE enabled. That would have made everybody's lives easier.

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I am not sure about that and what is going on but I will still press on to get you guys some updates for this.