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VoLTE and Wifi Calling on Zenfone 8

lukasz_szabelsk
Rising Star II
Hi all,
Does anyone know if we can expect enabling VoLTE and Wifi Calling in european networks? I can only see in settings that icons for these options are available to enable at notification bar:
screenshot-20210518-120433796.png

Also as call quality is quite poor, can we expect some improvement with software updates as enabling HD Voice codecs?
Best,
Lukasz
264 REPLIES 264

Alex_s
Rising Star I
Without doing anything, I suddenly have WiFi call enabled.
Deutsche Telekom Germany

MisterDams
Star I
Hi, French user on SFR network, I got VoLTE immediately but WiFi calling wasn't showing in the Settings. Operator's website showed that the option was subscribed for my account, so I looked for help on forums.
I found out that entering a shortcode in the dialer app (*#*#3642623344#*#*) enabled the feature and I got the menu to appear. I enabled WiFi calling and it worked perfectly (icon, settings, and calls). I can switch from VoLTE to VoWiFi or use either Home of Office WiFi network without any trouble for days/weeks, maybe months.
But every time I reboot the phone, the feature is disabled and I have to enter the shortcode again. Is there any way to make it permanent ?
Thanks !

What about VoLTE on the Cellcom carrier in Israel?

Trawar
Star III
So my problem is solved, since yesterday night my zenfone is gone.
It wan´t start it wan´t charge, charge LED is also off.
During charging it went off and thats it.
Painfull 3 Months but now I am going back to Samsung.

Thank you for nothing Asus.

izani
Rising Star I
Sad,
Even my super cheap backup Energizer E241S 4G LTE supports VoLTE out of the box. Works well with Celcom, UniFi Mobile / Malaysia.

I guess, this is will be my first and last Asus phone.