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    Interface CallListener

    Represents a listener of Call events. The methods handle call state changes.

    Call State Progression

    For a complete outgoing call, the listener methods will be called in the following order:

    • onCallProgressing
    • onCallRinging
    • onCallAnswered
    • onCallEstablished
    • onCallEnded

    For a complete incoming call, the delegate methods will be called in the following order, after the callback method CallClientListener.onIncomingCall has been called:

    • onCallAnswered
    • onCallEstablished
    • onCallEnded
    interface CallListener {
        onCallAnswered(call: Call): void;
        onCallEnded(call: Call): void;
        onCallEstablished(call: Call): void;
        onCallProgressing(call: Call): void;
        onCallQualityWarningEvent(
            call: Call,
            callQualityWarningEvent: CallQualityWarningEvent,
        ): void;
        onCallRinging(call: Call): void;
        onRemoteTrack(call: Call, track: MediaStreamTrack): void;
    }
    Index

    Methods

    onCallAnswered? onCallEnded? onCallEstablished? onCallProgressing? onCallQualityWarningEvent? onCallRinging? onRemoteTrack?

    Methods

    • Tells the listener that the call was answered.

      The call has entered the ANSWERED state.

      Parameters

      • call: Call

        The call that was answered.

      Returns void

    • Tells the listener that the call ended.

      The call has entered the ENDED state.

      Parameters

      • call: Call

        The call that ended.

      Returns void

    • Tells the listener that the call was established .

      The call has entered the ESTABLISHED state.

      Parameters

      • call: Call

        The call that was established.

      Returns void

    • Tells the listener that the outgoing call is progressing and a progress tone can be played.

      The call has entered the PROGRESSING state.

      Parameters

      • call: Call

        The outgoing call to the client on the other end.

      Returns void

    • Tells the listener that an event connected with call quality warning functionality is observed.

      Parameters

      • call: Call

        The call that has received the call quality warning.

      • callQualityWarningEvent: CallQualityWarningEvent

        Call quality warning event object.

      Returns void

    • Tells the listener that the callee received the call.

      The call has entered the RINGING state.

      Parameters

      • call: Call

        The outgoing call to the client on the other end.

      Returns void

    • Tells the listener that a new remote track has been received.

      Parameters

      • call: Call

        The call that received the remote track.

      • track: MediaStreamTrack

        The media track.

      Returns void

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    Call State Progression
    Methods