telephone signalling

简明释义

电话信号化

英英释义

例句

1.Understanding telephone signalling 电话信号传递 is crucial for troubleshooting phone line issues.

理解< span>电话信号传递对于排除电话线路问题至关重要。

2.During the meeting, we discussed the importance of telephone signalling 电话信号传递 for effective remote communication.

在会议上，我们讨论了< span>电话信号传递在有效远程通信中的重要性。

3.The technician explained how telephone signalling 电话信号传递 works in the new communication system.

技术员解释了新通信系统中如何工作< span>电话信号传递。

4.The engineer was responsible for improving the telephone signalling 电话信号传递 protocols in our office.

工程师负责改善我们办公室的< span>电话信号传递协议。

5.The training session focused on the various methods of telephone signalling 电话信号传递 used in telecommunications.

培训课程集中讨论了电信中使用的各种< span>电话信号传递方法。

作文

In today's fast-paced world, communication plays a vital role in both personal and professional settings. One of the most significant advancements in communication technology is the use of telephone signalling, which refers to the methods and processes used to establish and maintain a connection between two or more telephone devices. This technology has revolutionized the way we connect with one another, allowing for instant communication across vast distances. Understanding telephone signalling is essential for anyone interested in telecommunications, as it forms the backbone of modern communication systems.The concept of telephone signalling can be traced back to the early days of telephony when Alexander Graham Bell invented the telephone in the 19th century. Initially, telephone connections were established manually by operators who would connect calls through a switchboard. As technology progressed, automated systems were developed, leading to the introduction of various signalling techniques that improved the efficiency and reliability of telephone communications.One of the primary types of telephone signalling is Dual-Tone Multi-Frequency (DTMF) signalling, commonly known as touch-tone dialing. This system uses a combination of two different frequencies to represent each digit on the telephone keypad. When a user presses a button, the telephone emits a unique tone that is interpreted by the receiving end, allowing for quick and accurate call connections. DTMF has become the standard for modern telephone systems, replacing the older pulse dialling method that was slower and less efficient.Another important aspect of telephone signalling is the use of signaling protocols such as Signaling System 7 (SS7). SS7 is a set of telephony signaling protocols that enable the exchange of information between network elements in a public switched telephone network (PSTN). This protocol allows for features such as call setup, routing, and management of services like caller ID and call waiting. The implementation of SS7 has greatly enhanced the functionality of telephone networks, making them more reliable and capable of supporting a wide range of services.With the advent of Voice over Internet Protocol (VoIP) technology, telephone signalling has evolved further. VoIP allows users to make voice calls using the internet instead of traditional telephone lines. This shift has introduced new signalling protocols, such as Session Initiation Protocol (SIP), which facilitate the establishment, management, and termination of voice calls over IP networks. SIP has become increasingly popular due to its flexibility and ability to support multimedia communications, including video calls and instant messaging.In conclusion, understanding telephone signalling is crucial for anyone involved in the field of telecommunications. It encompasses various technologies and protocols that enable effective communication between individuals and businesses. As technology continues to advance, the importance of telephone signalling will only grow, paving the way for even more innovative communication solutions in the future. By grasping the fundamentals of telephone signalling, we can appreciate the complexities of modern communication systems and their impact on our daily lives.

在当今快节奏的世界中，沟通在个人和职业环境中扮演着至关重要的角色。通信技术的一个重大进步是使用电话信号传递，它指的是用于建立和维持两个或多个电话设备之间连接的方法和过程。这项技术彻底改变了我们彼此联系的方式，使得跨越广阔距离的即时沟通成为可能。理解电话信号传递对任何对电信感兴趣的人来说都是至关重要的，因为它构成了现代通信系统的基础。电话信号传递的概念可以追溯到电话早期的日子，当时亚历山大·格雷厄姆·贝尔在19世纪发明了电话。最初，电话连接是由操作员手动建立的，他们通过交换机连接电话。随着技术的发展，自动化系统被开发出来，导致各种信号技术的引入，从而提高了电话通信的效率和可靠性。电话信号传递的主要类型之一是双音多频（DTMF）信号传递，通常称为触摸音拨号。该系统使用两种不同频率的组合来表示电话键盘上的每个数字。当用户按下按钮时，电话会发出一个独特的音调，该音调被接收端解释，从而实现快速准确的通话连接。DTMF已成为现代电话系统的标准，取代了较旧的脉冲拨号方法，后者较慢且效率较低。电话信号传递的另一个重要方面是使用信号协议，例如信号系统7（SS7）。SS7是一组电信信号协议，使公用交换电话网络（PSTN）中的网络元素之间能够交换信息。该协议支持呼叫设置、路由和管理诸如来电显示和保持通话等服务。SS7的实施大大增强了电话网络的功能，使其更可靠，并能够支持广泛的服务。随着互联网协议语音（VoIP）技术的出现，电话信号传递进一步发展。VoIP允许用户使用互联网而不是传统电话线路进行语音通话。这一转变引入了新的信号协议，如会话发起协议（SIP），该协议促进了通过IP网络建立、管理和终止语音通话。由于其灵活性和支持多媒体通信（包括视频通话和即时消息）的能力，SIP变得越来越受欢迎。总之，理解电话信号传递对任何参与电信领域的人来说都是至关重要的。它涵盖了各种技术和协议，使个人和企业能够有效沟通。随着技术的不断进步，电话信号传递的重要性只会增加，为未来更具创新性的通信解决方案铺平道路。通过掌握电话信号传递的基本知识，我们可以欣赏现代通信系统的复杂性及其对我们日常生活的影响。