相同类型应用的数据包进入同一队列，在队列内部按分组的优先级分成不同的逻辑子队列。
The packet of same application class come into the same queue, and then are divided into different logical sub-queues by packet priority in the queue.
如果该接收到的网络分组被标识为请求发起新连接，则方法300从步骤315进入步骤320。
If the received network packet is identified as requesting the initiation of a new connection, method 300 proceeds from step 315 to step 320.
语音数据的封装策略是：由PSTN进入以太网和在以太网内部交换的分组语音数据，封装时以MAC物理地址作为寻址对象；
The voice data encapsulation policy is: for voice data entering Ethernet from PSTN and exchanging among Ethernet, MAC address is acted as addressing object when voice data is encapsulated;
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