Dialog peerDialog = transactionsMapping
.getPeerDialog(serverTransaction);
Request clonedRequest = (Request) msg.clone();
FromHeader from = (FromHeader) clonedRequest
.getHeader(FromHeader.NAME);
from.removeParameter("tag");
ToHeader to = (ToHeader) clonedRequest
.getHeader(ToHeader.NAME);
to.removeParameter("tag");
if (peerDialog.getState() != null)