public function message($msg)
    {
        foreach ($this as $client) {
            try {
                $this->execute(
                    "sendtextmessage",
                    array("msg" => $msg, "target" => $client, "targetmode" => Teamspeak::TEXTMSG_CLIENT)
                );
            } catch (TeamSpeak3_Adapter_ServerQuery_Exception $e) {
                /* ERROR_client_invalid_id */
                if ($e->getCode() != 0x0200) {
                    throw $e;
                }
            }
        }
    }