Backup calling

[vravani]

Impressive feature of #Samsung #OneUI 4 (based on Android 12):

#BackupCalling

=

#WiFiCalling (#VoWiFi)

+

#AutoDataSwitching

Auto Data Switching:

Switch to another SIM for mobile data if the preferred SIM can't connect. 

If Wi-Fi Calling is on, SIMs will also be able to make and receive calls when they're out of network range. The calls will go through the mobile data connection of another SIM.

[cs_member8]

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Samsung Customer Support

[ronwi1]

Is this an existing feature, or one you would like to see incorporated?  I don't see it anywhere on my US variant S22 Ultra.