Incoming call issues to the Mobile SDK.
Mobile SDK uses the Apple Push Notification Service (APN) for iOS, and Google Firebase Cloud Messaging (FCM) for Android to deliver incoming call notifications. You can also find detailed guides to setup Push notifications for iOS and Android.
Below are a few checks to make sure the Push Notifications configurations are correct.
Note: To make debugging issues easier, errors related to Push notifications are presented in the call debug logs available on the Plivo console. Comprehensive list of error messages related to push notification failures is available here.
Following are some generic call issues from the Mobile SDK, along with their solutions.