am 096df819: Merge "SipService: send SERVER_ERROR if server doesn\'t provide...
am 096df819: Merge "SipService: send SERVER_ERROR if server doesn\'t provide nonce" into gingerbread
Merge commit '096df819' into gingerbread-plus-aosp
* commit '096df819':
SipService: send SERVER_ERROR if server doesn't provide nonce