freeswitch报错

　　if (!to_user) {
        to_user = from_user;
    }
    if (!to_host) {
        to_host = from_host;
    }

    if (!to_user || !to_host) {
        switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can not do authorization without a complete header in REGISTER request from %s:%d\n", 
                          network_ip, network_port);

        nua_respond(nh, SIP_401_UNAUTHORIZED, NUTAG_WITH_THIS_MSG(de->data->e_msg), TAG_END());
        switch_goto_int(r, 1, end);
    }