addListener()

Copiedvoid addListener(SalesIQCallsListener listener);

CopiedSalesIQCallsListener listener = new SalesIQCallsListener() {
    @Override
    public void onQueuePositionChanged(@NonNull String conversationId, int position) {
        // Your code here to handle the queue position changed
    }

    @Override
    public void onCallStateChanged(@NonNull ZohoSalesIQCalls.SalesIQCallState callState) {
        // Your code here to handle call state changes
    }
}
ZohoSalesIQCalls.addListener(listener);