private void Phone_onIncoming(SparkSDK.Call obj)
 {
     IsIncomingCall = true;
     IsNoCall       = false;
     ApplicationController.Instance.CurSparkManager.currentCall = obj;
     currentCall = obj;
     currentCall.OnCallMembershipChanged += CurrentCall_onCallMembershipChanged;
 }
 private void CurrentCall_onConnected(SparkSDK.Call call)
 {
     RefreshCallStatusView();
 }
 private void CurrentCall_onRinging(SparkSDK.Call call)
 {
     RefreshCallStatusView();
 }