code: public void setHeader(String name, String value) {
  		try {
  			getSipURI().setHeader(name, value);
  		} catch (ParseException ex) {
  			logger.error("parse exception occured", ex);
  			throw new IllegalArgumentException("Bad arg!",ex);
  		}
  	}
docs: /*
  (non-Javadoc)
  @see javax.servlet.sip.SipURI#setHeader(java.lang.String, java.lang.String)