摘要
在研究IP电话系统及其应用的基础上,通过试验比较了几种IP电话系统的优缺点。设计了一理想的IP电话系统,具有话机便宜、可以打出打入、计费灵活、不改变原有网络布线和原有网络IP地址分配的特点,在宽带网络中具有推广应用价值。
Based on years of research and application of VOIP, the merits and demerits of several VOIP systems are compared and a design of VOIP system in campus network is proposed, which provides phone call service at a lowcost,can dial out and be dialed in,has counting flexibility,does not change original network wiring as well as user's ip address.
出处
《河南科技大学学报（自然科学版）》
CAS
2005年第3期44-45,共2页
Journal of Henan University of Science And Technology:Natural Science
基金
河南省教育厅科技攻关资助项目(20025100009)
