In addition, the transport layer allows IMS devices to make and receive calls to and from the PSTN network or other circuit-switched networks via the PSTN gateway.
此外,传输层允许IMS设备通过PSTN网关呼叫PSTN网络或其他电路交换网络和接收来自这些网络的呼叫。
If this is the case the circuit manager may wish to filter out datagrams for the appropriate network layer if only one of the applications is affected.
在这种情况时,链路管理器可能为特定的网络层过滤数据包,而只使一个程序受影响。
Joining a engineering, this paper gives the high speed and low consuming circuit of network communication based on the microprocessor of S3C4510B, it takes DM9161 as a physical layer interface.
文章结合工程实例,基于S3C 4510 B微处理器构建了以DM 9161为以太网物理层接口的低功耗、高速硬件电路。
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