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: I9ca78bffd34952b63f64b4e45b893d5a9047fa9d