Catch SIP exceptions which can crash Phone process on answer. am: e3b4afc616 am: cc4e07669a am: 769ae5b56f am: 71a4d7e815 am: 8cd23c6653 am: f77658a010  -s ours
am: 89001774e2

Change-Id: I3994ffb0deb0e63578e8913f924a274a9d07bed2