VoLTE and Wifi Calling on Zenfone 6 with AT&T

[iownedu]

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What is the status on getting these working? It looks like 3g calling is going away in February 9f this year. I love my zenfone 6, the 7 and 8 flip are too big and I use a headphone jack (wireless headphones sound like crap).
Thanks!

[newnews]

_jis_

Thanks, I know what this thread is about, but I was hoping it might be someone from somewhere else, like Europe. I still use A10/183, so I was intrigued by your information about A11/145.

We're out of luck here. I will never again buy a phone that supports VoLTE, but not yet with my operator. And "doesn't support yet" has obviously become "will never support" for ZF6 here.

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Ok.
If you look at this post VoLTE and Wifi Calling on Zenfone 8 - Page 3 — ZenTalk (asus.com), CH_ASUS said ZF6 has been certified by ATT.

And the release notes of firmware 145 says some of APNs are updated, so I guess something have happened. When I make phone call, 4G stays 4G without changing to H+ as previous firmware. The strange thing is no VOLTE/HD voice indication. I also don't have VoWiFi indication when wifi calling is enabled.