We are facing the same problem.
The device receives the voip notification, launches callkit, the app is launched (registering in the SIP message server) and after 2-3 seconds it disconnects from every resource (thus cannot receive SIP messages to stop the call if the caller hangs up nor establish the call correctly)
alsanbar
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Same problem here with Xcode
I used Feedback assistant. My FB number is FB14355090
@AlexRu Have you solved this already? I haven't.
I found this thread where more people seem to have this problem: https://github.com/mattkhaw/cordova-plugin-callkit/issues/19
Seems to be working again after updating to iOS 17.6.1
And broken again in iOS 18 :(
Still broken in iOS 18.1