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So i’ve been testing voip calls of my app. One weird issue i noticed is that after few calls iphone stops receiving voip notifications. actually not just voip notifications but notifications from every other apps. i have two wifi networks at my home. when i switch from one network to other then suddenly voip notifications starts working and if there were any pending notification from other apps then those arrives too as soon as i change the network. Again i test calls few times and it works. then again same issue. if voip notifications doesn’t works then i just switch the network and notifications works. wondering if its iphone issue or ios or the router configuration thats delaying or preventing the notification from coming in.

i have an app with video call integrated and call kit integrated totally fine. when i cold launch the app launch time is absolutely normal. Now if my app is terminated and i recieve voip notification and see call kit banner and i accept the call from there, it launches my app. But it freezes like for 5 to 10 secs on a white screen. it happens everytime when i receive call and pick it up while app is in terminated state. i also loose the audio in these scenario. Need help to figure out if app launching from call kit answer call action and from normal tap on icon is any different?