code: public void handleEvent(final MasqueradeEvent b)
      {
          if (this.isConnectedToSelf(b.getClone()))
          {
              // At this point we will actually have two CallTrackers
              // which we now need to merge into a single CallTracker.
              CallTracker original = findCall(b.getOriginal());
              CallTracker clone = findCall(b.getClone());
              if (original != null && clone != null)
              {
                  clone.mergeCalls(original);
                  clone.setState(b.getCloneState());
                  this.evaluateState();
              }
              else
                  logger.warn("When processing masquradeEvent we could not find the expected calls. event=" //$NON-NLS-1$
                          + b.toString() + " original=" + original + " clone=" + clone); //$NON-NLS-1$ //$NON-NLS-2$
          }
      }
docs: We handle the masqurade event is it contains channel state information.
  During a masquerade we will have two channels for the one peer, the
  original and the clone. As the clone is taking over from the original
  peer we now need to use that as true indicator of state.
  
  @param b
  @throws Exception