After the iOS 18.4 system update, we also encountered an increase in the number of failed call recording initiations for incoming calls. We tested several methods midway through, and only force-quitting the app and restarting it would restore the functionality. Recently, we tried the method suggested by Apple engineers: calling cxProvider.setConfiguration once before each reportNewIncomingCall invocation. Since then, the rate of failed incoming call recordings has started to decrease. This method is recommended for everyone to try, and we would like to thank the Apple engineers for their suggestion.