Merge "Add a check to see if a call has been disconnected" into nyc-dev
am: 208cb8de2f

* commit '208cb8de2f8fad5c1d3797bf38e0879bb0996670':
  Add a check to see if a call has been disconnected

Change-Id: I75a7374a2456483ceb45c188cdfe5029c6d51188