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You’re reading the legacy documentation for Calling SDK v4 (Flutter).Follow this page only if your app is on v4.x. If you’re using v5, see the Calling SDK v5 documentation instead.Ready to move off v4? Follow the v4 → v5 migration guide.
Available since v4.1.0

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Overview

CometChat Calls SDK provides a mechanism to handle session timeouts for idle participants. By default, if a participant is alone in a call session for 180 seconds (3 minutes), the following sequence is triggered:
  1. After 120 seconds of being alone in the session, the participant will see a dialog box
  2. This dialog provides options to either:
    • Stay in the call
    • Leave immediately
  3. If no action is taken within the next 60 seconds, the call will automatically end
This feature helps manage inactive call sessions and prevents unnecessary resource usage. The idle timeout period ensures that participants don’t accidentally remain in abandoned call sessions.

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Session Timeout Flow

The onSessionTimeout event is triggered when the call automatically terminates due to session timeout, as illustrated in the diagram above.