interphone system

英

美

网络内部电话系统; 直通电话

No, it's an interphone system. You'll have to dial 0 first.
不可以，是内线电话，你得先拨0。
Based on the experience of software development for interphone at Motorola software Center, the paper analyses and researches the design and implementation method of system software and application software of embedded mobile terminal.
本课题依据本人在Motorola软件中心对讲机软件的开发经验，分析和研究了嵌入式移动终端系统软件和应用软件的设计与实现。
The design scheme how generally-used analog interphone transport system upgrades to networked digital system over Ethernet is introduced.
介绍了目前在监控系统中普遍使用的一种模拟对讲机，通过以太网传输升级成网络数字系统的设计方案。
Compared with the interphone, the system offers the elevator passenger more convenient to contact the maintenance man in the accident and it adapts the elevator automatic monitoring and unmanned manage trend.
此系统无需监控中心人工干预，比以往使用的对讲机方式处理该类事件更方便相关人员与电梯乘客的沟通，符合电梯自动监控以及无人化管理的趋势。
Design of the Analog-interphone Transport System Over Ethernet
模拟对讲以太网传输系统的设计