Response okResponse = messageFactory.createResponse(Response.OK,
request);
FromHeader from = (FromHeader) okResponse.getHeader(FromHeader.NAME);
from.removeParameter("tag");
Address address = addressFactory.createAddress("Shootme <sip:"
+ myAddress + ":" + myPort + ">");
ContactHeader contactHeader = headerFactory
.createContactHeader(address);
ToHeader toHeader = (ToHeader) okResponse.getHeader(ToHeader.NAME);