如何利用局域网的资源打内线IP电话
桂任舟
(武汉大学电子信息学院S0002班,武汉,430079)
摘要:本文系统介绍局域网中IP电话的实现原理;在MCU中如何实现Lean TCP/IP协议;对电话的信令和语音信号怎样打成IP包,进行了具体阐述;并给出在实际中如何选出相应的支持芯片及完整的硬件设计模块。
Abstract: The principle of IP
telephone is introduced in the thesis integrallty . It is set forth how to make Lean TCP/IP implemented in MCU system and how to package command and sound signal using IP modality. Moreover, how to select appropriate chip is mentioned . The integrated hareware module of IP telephone is illuminated.
关键词:TCP/IP 、DSP 、UDP 、IP包、信令、ARP、ICMP
1 概述
《如何利用局域网的资源打内线IP电话》