public void attachHeader(SIPHeader h, boolean replaceflag) throws SIPDuplicateHeaderException { this.attachHeader(h, replaceflag, false);
private void attachHeader(SIPHeader h) { if (h == null) throw new IllegalArgumentException("null header!"); try { if (h instanceof SIPHeaderList) { SIPHeaderList hl = (SIPHeaderList) h; if (hl.isEmpty()) { return; } } attachHeader(h, false, false); } catch (SIPDuplicateHeaderException ex) {  }
	public void attachHeader(SIPHeader h, boolean replaceflag)		throws SIPDuplicateHeaderException {		this.attachHeader(h, replaceflag, false);	}