class DefaultProperties {

    public static Properties getProperties(String name, boolean sipLog) {<FILL_FUNCTION_BODY>}
}

        Properties properties = new Properties();
        properties.setProperty("javax.sip.STACK_NAME", name);
//        properties.setProperty("javax.sip.IP_ADDRESS", ip);
        // 关闭自动会话
        properties.setProperty("javax.sip.AUTOMATIC_DIALOG_SUPPORT", "off");
        /**
         * 完整配置参考 gov.nist.javax.sip.SipStackImpl，需要下载源码
         * gov/nist/javax/sip/SipStackImpl.class
         * sip消息的解析在 gov.nist.javax.sip.stack.UDPMessageChannel的processIncomingDataPacket方法
         */

//		 * gov/nist/javax/sip/SipStackImpl.class
        // 接收所有notify请求，即使没有订阅
        properties.setProperty("gov.nist.javax.sip.DELIVER_UNSOLICITED_NOTIFY", "true");
        properties.setProperty("gov.nist.javax.sip.AUTOMATIC_DIALOG_ERROR_HANDLING", "false");
        properties.setProperty("gov.nist.javax.sip.CANCEL_CLIENT_TRANSACTION_CHECKED", "true");
        // 为_NULL _对话框传递_终止的_事件
        properties.setProperty("gov.nist.javax.sip.DELIVER_TERMINATED_EVENT_FOR_NULL_DIALOG", "true");
        // 是否自动计算content length的实际长度，默认不计算
        properties.setProperty("gov.nist.javax.sip.COMPUTE_CONTENT_LENGTH_FROM_MESSAGE_BODY", "true");
        // 会话清理策略
        properties.setProperty("gov.nist.javax.sip.RELEASE_REFERENCES_STRATEGY", "Normal");
        // 处理由该服务器处理的基于底层TCP的保持生存超时
        properties.setProperty("gov.nist.javax.sip.RELIABLE_CONNECTION_KEEP_ALIVE_TIMEOUT", "60");
        // 获取实际内容长度，不使用header中的长度信息
        properties.setProperty("gov.nist.javax.sip.COMPUTE_CONTENT_LENGTH_FROM_MESSAGE_BODY", "true");
        // 线程可重入
        properties.setProperty("gov.nist.javax.sip.REENTRANT_LISTENER", "true");
        // 定义应用程序打算多久审计一次 SIP 堆栈，了解其内部线程的健康状况（该属性指定连续审计之间的时间（以毫秒为单位））
        properties.setProperty("gov.nist.javax.sip.THREAD_AUDIT_INTERVAL_IN_MILLISECS", "30000");

//        properties.setProperty("gov.nist.javax.sip.MESSAGE_PROCESSOR_FACTORY", "gov.nist.javax.sip.stack.NioMessageProcessorFactory");

        /**
         * sip_server_log.log 和 sip_debug_log.log ERROR, INFO, WARNING, OFF, DEBUG, TRACE
         */
        Logger logger = LoggerFactory.getLogger(AlarmNotifyMessageHandler.class);
        if (sipLog) {
            properties.setProperty("gov.nist.javax.sip.STACK_LOGGER", "com.genersoft.iot.vmp.gb28181.conf.StackLoggerImpl");
            properties.setProperty("gov.nist.javax.sip.SERVER_LOGGER", "com.genersoft.iot.vmp.gb28181.conf.ServerLoggerImpl");
            properties.setProperty("gov.nist.javax.sip.LOG_MESSAGE_CONTENT", "true");
            logger.info("[SIP日志]已开启");
        }else {
            logger.info("[SIP日志]已关闭");
        }
        return properties;
    
<no_super_class>