Updates:
Status: Fixed
Comment #3 on issue 2698 by brainslog: Diameter Answers created from
Requests do not maintain 'P' bit
http://code.google.com/p/mobicents/issues/detail?id=2698
Jenkins says it's good: http://ci.jboss.org/jenkins/view/Mobicents/job/Mobicents-Diameter-1.x/1048/
