code: public Set<Entry<String, String>> getParameters() {
  		Map<String,String> retval = new HashMap<String,String> ();
  		for(Entry<String, String> nameValue : this.parameters.entrySet()) {
  			retval.put(nameValue.getKey(), (RFC2396UrlDecoder.decode(nameValue.getValue())));
  		}
  		return retval.entrySet();
  	}
docs: /*
  (non-Javadoc)
  @see javax.servlet.sip.Parameterable#getParameters()