Merge "Add a check to see if a call has been disconnected" into nyc-dev am: 208cb8de2f am: 8deb0a8125
am: a50a9f1d63

* commit 'a50a9f1d631297d440f288f807bd2e38a15576fb':

Change-Id: I94ce9a409e8e7ada5d3f7d1bfce63b618b65e38e