基于DM642的嵌入式网络电话的设计与实现  

the Research of Based on Internet IP Network Telephone

作　　者：孙乐鸣[1] 朱兆优[1] 江来[1] 

机构地区：[1]东华理工大学电子与机械工程学院,江西抚州344000

出　　处：《科技广场》2008年第1期66-68,共3页Science Mosaic

摘　　要：本文主要讨论了基于DM642的IP网络电话的整体设计方案,给出了整体方案下各个部件的功能,并给出了终端电话单机的具体硬件构成和软件的任务划分,还对比了现行IP网络电话中应用较多的H.264协议和SIP协议。This article mainly discussed The IP networktelephone whole design scheme which based on DM642,and provide functions of the part in the whole design scheme.At the same time,we offered the constitution of hardware and the division of task of software about the terminal telephone.we compared the protocol of SIP with the h.264 which are useful in the IP networktelephone.

关 键 词：IP网络电话 H.264协议 SIP协议 DM642 

分 类 号：TP393.09[自动化与计算机技术—计算机应用技术]