Comment #12 on issue 1874 by jean.deruelle: MSS Early Dialog failover http://code.google.com/p/mobicents/issues/detail?id=1874
This issue was updated by revision r15611.for non regression B2BUA test case forwarding ACK => able to forward the 200 OK using B2BUAHelper.getPendingMessages() method, still some exceptions on retrans though
