Integrated Services Digital Network

简明释义

综合业务数字网

英英释义

例句

1.The company upgraded its communication system to use Integrated Services Digital Network for better quality calls.

公司升级了其通信系统，使用综合业务数字网以获得更好的通话质量。

2.The Integrated Services Digital Network allows for high-speed internet access alongside traditional telephone services.

综合业务数字网允许高速互联网接入与传统电话服务并行。

3.Using Integrated Services Digital Network can significantly reduce the cost of long-distance calls.

使用综合业务数字网可以显著降低长途电话的费用。

4.Many businesses rely on Integrated Services Digital Network to transmit voice and data simultaneously.

许多企业依赖综合业务数字网同时传输语音和数据。

5.Our IT department is exploring the benefits of Integrated Services Digital Network for our new office.

我们的IT部门正在探索在新办公室中使用综合业务数字网的好处。

作文

The evolution of communication technologies has drastically transformed the way we connect with one another. One of the significant advancements in this field is the development of the Integrated Services Digital Network, often abbreviated as ISDN. This technology represents a major leap forward in digital communication, allowing for the simultaneous transmission of voice, video, and data over traditional telephone lines. The Integrated Services Digital Network (集成服务数字网络) was designed to provide a standard for digital telecommunications that could unify various types of services into a single network. Initially introduced in the late 1980s, ISDN aimed to replace the aging analog systems that were prevalent at the time. It offered several advantages, including higher quality audio, faster data transfer rates, and the ability to support multiple channels of communication simultaneously. With ISDN, users could make phone calls while also sending a fax or accessing the internet, all without the need for separate lines. This integration of services was revolutionary and laid the groundwork for the digital communication systems we rely on today.The architecture of the Integrated Services Digital Network consists of two primary types of channels: B channels and D channels. B channels are used for carrying voice and data, while D channels are utilized for signaling and control information. This separation allows for efficient communication management and ensures that data can be transmitted without interruptions. The standard configuration typically includes two B channels and one D channel, known as the Basic Rate Interface (BRI), which provides a total bandwidth of 128 kbps. For larger organizations requiring more capacity, the Primary Rate Interface (PRI) offers up to 30 B channels and one D channel, significantly increasing the available bandwidth.Despite its many benefits, the Integrated Services Digital Network has faced challenges in the rapidly evolving landscape of telecommunications. As broadband internet and Voice over Internet Protocol (VoIP) technologies emerged, the relevance of ISDN began to diminish. These newer technologies offered even greater speeds and flexibility, allowing users to bypass the limitations of traditional telephone networks. Consequently, many businesses and consumers have migrated away from ISDN in favor of these more advanced solutions.However, the legacy of the Integrated Services Digital Network remains significant. It played a crucial role in the transition from analog to digital communication and established standards that many modern technologies still follow. Additionally, ISDN continues to be used in specific applications where reliable and high-quality communication is essential, such as in broadcasting and teleconferencing. Many broadcasters still rely on ISDN lines for live transmissions due to their stability and low latency.In conclusion, the Integrated Services Digital Network (集成服务数字网络) was a groundbreaking development in the field of telecommunications. It not only improved the quality and efficiency of communication but also paved the way for future innovations. While newer technologies have largely replaced ISDN in everyday use, its impact on the digital communication landscape cannot be overstated. Understanding ISDN is essential for appreciating the advancements in technology that followed and recognizing the foundations upon which our current communication systems are built.

通信技术的发展极大地改变了我们彼此联系的方式。其中一个重要的进展就是集成服务数字网络（ISDN）的发展。这项技术代表了数字通信的重大飞跃，允许通过传统电话线路同时传输语音、视频和数据。集成服务数字网络（Integrated Services Digital Network，简称ISDN）旨在提供一种数字电信标准，将各种服务统一到一个网络中。ISDN最初是在20世纪80年代末推出的，旨在取代当时普遍存在的老旧模拟系统。它提供了多种优势，包括更高质量的音频、更快的数据传输速率，以及能够同时支持多个通信通道的能力。使用ISDN，用户可以在拨打电话的同时发送传真或访问互联网，所有这些都无需单独的线路。这种服务的集成是革命性的，为我们今天依赖的数字通信系统奠定了基础。集成服务数字网络的架构由两种主要类型的信道组成：B信道和D信道。B信道用于承载语音和数据，而D信道用于信令和控制信息。这种分离允许有效的通信管理，并确保数据能够不受干扰地传输。标准配置通常包括两个B信道和一个D信道，称为基本速率接口（BRI），提供总带宽为128 kbps。对于需要更多容量的大型组织，主要速率接口（PRI）提供多达30个B信道和一个D信道，显著增加可用带宽。尽管有许多优点，但集成服务数字网络在快速发展的电信环境中面临挑战。随着宽带互联网和互联网协议语音（VoIP）技术的出现，ISDN的相关性开始下降。这些新技术提供了更快的速度和灵活性，使用户能够绕过传统电话网络的限制。因此，许多企业和消费者已转向这些更先进的解决方案，而不再使用ISDN。然而，集成服务数字网络的遗产仍然具有重要意义。它在从模拟到数字通信的过渡中发挥了关键作用，并建立了许多现代技术仍在遵循的标准。此外，ISDN继续在某些特定应用中使用，在这些应用中，可靠和高质量的通信至关重要，例如广播和视频会议。许多广播公司仍然依赖ISDN线路进行现场传输，因为其稳定性和低延迟。总之，集成服务数字网络（ISDN）是电信领域的一项开创性发展。它不仅提高了通信的质量和效率，还为未来的创新铺平了道路。尽管更新的技术在日常使用中大多取代了ISDN，但它对数字通信领域的影响不可低估。理解ISDN对于欣赏随之而来的技术进步以及认识我们当前通信系统所建立的基础至关重要。