[Bug] From 4G to WiFi

Hi,

I ran some tests with Android and iOS devices.
Goal was to maintain a running call, moving from WiFi coverage to 4G coverage, and from 4G coverage to WiFi coverage.
Things that happen very regularly, for indoor/outdoor sellers for example.

Android uptodate (Samsung A33) :
No problem, call properly switches from / to WiFi / 4G.

iOS uptodate (iPhone 13) :
No problem from WiFi to 4G.
No problem from 4G to WiFi when 3CX application is in background.
But when 3CX application is in...

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