if (toStart != -1 && buf.indexOf("tag", toStart) == -1) {
buf.append(";tag=badreq");
}
// Let's add a Server header too..
ServerHeader s = MessageFactoryImpl.getDefaultServerHeader();
if ( s != null ) {
buf.append("\r\n" + s.toString());
}
int clength = badReq.length();
if (! (this instanceof UDPMessageChannel) ||
clength + buf.length() + ContentTypeHeader.NAME.length()
+ ": message/sipfrag\r\n".length() +