<function name="rpcf_add_tariff" id="0x3012">
      <input>
	     <string name="name" />
	     <integer name="expire_date" />
	     <integer name="is_blocked" />
	     <integer name="balance_rollover" />
      </input>
      <output>
             <integer name="tp_id" />
      </output>
    </function>

	function rpcf_add_tariff($tariff_name,$expire_date,$is_blocked,$balance_rollover) { //0x3012
		if (!$this->connection->urfa_call(0x3012)) {
			print "Error calling function ". __FUNCTION__ ."\n";
			return FALSE;
		}
		$packet = $this->connection->getPacket();
		$packet->DataSetString($tariff_name);
		$packet->DataSetInt($expire_date);
		$packet->DataSetInt($is_blocked);
		$packet->DataSetInt($balance_rollover);
		$this->connection->urfa_send_param($packet);
		if ($x = $this->connection->urfa_get_data()){
			$ret = $x->DataGetInt();
//			$this->connection->urfa_get_data();
		}
		return $ret;
	}