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 am: cb685aa75b am: 568c17339b
am: 9dc31b5831

Change-Id: I6c71b79928c497896da1c79b3d69b65121e084c4