Before unlocking device - here understood as caused by device security as first authentication for device yet to be done after restart and device might not have an active network. In our case we can see 4G network symbol is shown on locked device screen. After unlocking device - in this case we can see network symbol 4G is shown on device but still waiting for up to 1/2 minutes App is not receiving VoIP push notification. If User opens App after 1/2 minutes then immediately App is getting VoIP push callback and App showing incoming call popup. In between Caller ends the call and incoming call popup become ghost call. What you're describing above are user level failures. That is, something did not work the way the user thought it should. As a practical matter, that kind of failure doesn't tell you ANYTHING about what's actually going wrong. The next step here is to figure out what actually happened at the system level, then decide how to fix it. Critically, during that process it's very important that you simp
Topic:
App & System Services
SubTopic:
Notifications
Tags: