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介绍了分组话音引接技术的应用背景,给出了一种基于MPC860处理器和VxWorks实时操作系统的嵌入式分组话音引接设备软硬件设计方案,详述了使用以太网承载的电路仿真业务来实现分组话音传输的关键技术和方法。
This paper introduces the application background of packet voice lead-in technology, presents a hardware and software design scheme of embedded packet voice lead-in equipment based on MPC860 processor and VxWorks real-time operating system, and details the use of circuit emulation service carried by Ethernet to realize packet Voice transmission of key technologies and methods.