packet circuit

基本解释

There are three basic techniques used for firewalls: packet filtering, circuit gateway, and application gateways.
有三種基本技術用於防火牆：包過濾，電路網關，應用網關。
IMS system architecture based on packet circuit providing telephone services and nontelep hone services is described.
描述了IMS在基於分組域上提供電話和非電話業務的系統架搆。
MetaSwitch, a division of Data Connection, is an industry-leading vendor of IMS switching and applications solutions for both packet and circuit-switched networks.
數據連接的一個部門，是IMS切換和包和切換電路的網絡的應用程序解決方案的一個工業領先供應商。

Pearse and others dream of unifying the mess, with a box that blends both optics and electronics, fusing the circuit-switched world of phone calls and packet-switched world of Internet data.
FORBES: The God Box
In time, packet networks will almost entirely replace more expensive and less capable circuit-switched networks.
ECONOMIST: Internet telephony
Circuit-switched telephone systems have been replaced by packet-switched networks (most notably the Internet).
FORBES: In Digital Age, U.S. Military Still Stuck With Vietnam-Era Jammers