trunk call

简明释义

长途呼叫

英英释义

例句

1.My friend works for a telecom company that specializes in trunk calls.

我的朋友在一家专门提供长途电话服务的电信公司工作。

2.To save money, we decided to limit our trunk calls while traveling.

为了省钱，我们决定在旅行期间限制拨打长途电话。

3.During my trip, I had to use a trunk call to contact my family back home.

在我的旅行中，我不得不使用长途电话联系我在家里的家人。

4.I need to make a trunk call to my office in New York.

我需要拨打一个长途电话给我在纽约的办公室。

5.The hotel offered a discount for trunk calls made from their rooms.

这家酒店对从他们的房间拨打的长途电话提供折扣。

作文

In the world of telecommunications, the term trunk call refers to a long-distance telephone call that is routed through a network of switching systems. This type of call is significant because it connects different exchanges, allowing for communication over vast distances. Understanding the concept of trunk call is essential for anyone interested in the history and evolution of telecommunication systems. Historically, the development of trunk calls dates back to the early days of telephone networks. As the demand for long-distance communication increased, telephone companies had to create more efficient ways to connect calls. The introduction of trunk lines, which are high-capacity communication lines, allowed multiple calls to be transmitted simultaneously. This innovation not only improved the quality of long-distance calls but also made them more affordable and accessible to the general public. A trunk call is typically established between two central offices or exchanges. When a caller wishes to make a long-distance call, their local exchange sends a signal to the destination exchange via a series of trunk lines. This process involves complex routing and switching mechanisms that ensure the call reaches its intended recipient. With advancements in technology, the process has become faster and more reliable, enabling seamless communication across the globe. One of the most notable features of trunk calls is their ability to handle large volumes of traffic. Unlike regular phone calls, which may be limited to a single line, trunk lines can accommodate multiple calls at once. This capacity is crucial for businesses and organizations that rely on effective communication with clients and partners around the world. For example, a multinational corporation often uses trunk calls to coordinate operations between different countries, ensuring that their teams can collaborate efficiently. The significance of trunk calls extends beyond just business applications. In emergency situations, the ability to make long-distance calls can be lifesaving. For instance, during natural disasters, when local communication infrastructure may be compromised, trunk calls can help connect individuals with emergency services or loved ones who are far away. This capability highlights the importance of robust telecommunication systems in maintaining societal resilience. In conclusion, the term trunk call represents a vital aspect of modern communication. Its historical development and technical functionality have transformed the way people connect across distances. As technology continues to evolve, the role of trunk calls will likely adapt, but their fundamental importance in facilitating long-distance communication will remain. Understanding this concept not only enriches our knowledge of telecommunications but also underscores the impact of effective communication in our daily lives.

在电信的世界中，术语trunk call指的是通过网络交换系统进行的长途电话。这种类型的电话很重要，因为它连接不同的交换机，使得远距离的通信成为可能。理解trunk call的概念对于任何对电信系统的历史和演变感兴趣的人来说都是必不可少的。历史上，trunk calls的发展可以追溯到电话网络的早期。当长途通信的需求增加时，电话公司必须创造更高效的方式来连接电话。干线的引入，即高容量的通信线路，允许同时传输多通电话。这一创新不仅改善了长途电话的质量，还使其变得更加经济实惠，普通公众也能使用。trunk call通常是在两个中央办公室或交换机之间建立的。当拨打者希望进行长途电话时，他们的本地交换机会通过一系列干线向目的地交换发送信号。这个过程涉及复杂的路由和切换机制，以确保电话能够到达预定的接收者。随着技术的进步，这个过程变得更快、更可靠，使全球无缝沟通成为可能。trunk calls的一个显著特点是其处理大量流量的能力。与普通电话不同，普通电话可能仅限于一条线路，干线可以同时容纳多通电话。这种容量对于依赖有效沟通与全球客户和合作伙伴的企业和组织至关重要。例如，一家跨国公司通常使用trunk calls来协调不同国家之间的运营，确保其团队能够高效协作。trunk calls的重要性不仅限于商业应用。在紧急情况下，进行长途电话的能力可能挽救生命。例如，在自然灾害期间，当当地通信基础设施可能受到损害时，trunk calls可以帮助个人与远方的紧急服务或亲人联系。这一能力突显了强大电信系统在维持社会韧性方面的重要性。总之，术语trunk call代表现代通信的一个重要方面。它的历史发展和技术功能改变了人们跨越距离连接的方式。随着技术的不断发展，trunk calls的角色可能会适应，但其在促进长途通信中的基本重要性将保持不变。理解这一概念不仅丰富了我们对电信的知识，也强调了有效沟通在我们日常生活中的影响。