What is converged communications service?

Integrated communication service refers to the integration service of communication technology and information technology. It can provide voice, fax, video call, called one-number connection, etc. to China Mobile mobile phone users, IMS fixed-line users and traditional fixed-line users. services, and can integrate the three types of users into a unified network, provide integrated V network services, and realize cross-network, cross-region, and cross-terminal converged communications for users.

The operating environment of this tutorial: HarmonyOS 2 system, HONOR V30 mobile phone.

China Mobile Converged Communications (RCS)

#In early 2014, China Mobile released the "Next Generation Converged Communications Technology White Paper", proposing Plan to counter WeChat with integrated communication products. "Integrated communications" upgrades the original "calls", "messages" and "contacts" in the mobile phone to new calls, new messages and new contacts. Users do not need to install other applications separately, and can directly send text, pictures, location and other communication functions like WhatsApp, iMessage, WeChat, etc.

Rich Communication Suite (RCS) refers to the integration of communication technology and information technology. Communication technology services refer to various services of traditional telecommunications networks, such as telephone services, short message services, conference calls, call centers, etc. Information technology services refer to various IP services, such as instant messaging (IM) ; Video and application sharing, such as video surveillance, information sharing, download services; and Internet services, such as email, voice mail, etc. In addition, there are information processing businesses, such as e-commerce, information query, etc.

RCS is a new generation of international messaging service standards. The new generation of information service platform built by telecom operators can make "information as a platform, users as customers, and mobile phones as applications" a reality. Using the native SMS button on the smartphone as the entry point, 5G messaging supports users to use a variety of rich media messages such as graphics and text, audio and video, group chats, file transfers, and content sharing during calls. Search, interaction, and One-stop business experience for sharing and payment. The Global System for Mobile Communications Association (GSMA) has included RCS as a required feature for 5G terminals, and RCS will soon become the new standard for smartphone “information” services.

On April 8, 2020, China Telecom, China Mobile, and China Unicom jointly released the "5G Messaging White Paper". my country's basic SMS business has entered a comprehensive upgrade channel, and traditional SMS will be gradually replaced by 5G messaging (RCS business) .

What is the converged communication service?

The converged communication service can be provided to China Mobile mobile phone users, IMS fixed-line users and traditional fixed-line users. Voice, fax, video call, called one-number service and other services, and can integrate the three types of users into a unified network, provide integrated V network services, and realize cross-network (wireless and wired) and cross-region (different cities and counties) for users , Integrated communication across terminals (mobile phones, fixed lines). In view of the differences in business regulations in various provinces, you can contact the local 10086 for details.

Business features:

1. Support multimedia calls between TD video terminals and CM-IMS multimedia terminals;

2. The service quality of multimedia calls between multimedia terminals is higher than TD video phone;

3. It can support mutual dialing between fixed-line and mobile phone short numbers in IMS network, and supports cross-regional unified networking; unified and flexible tariff policy.

Application of converged communications

Based on the integrated communication characteristics of converged communications services, the converged communications platform is extremely suitable for command and dispatch services and can be widely used In important areas such as government emergency response, cultural tourism, public health, smart water conservancy, smart parks, and public security firefighting, it ensures that command departments at all levels carry out cross-regional, cross-department, and cross-level full-service integrated communications, and builds up-down linkage, horizontal response, and The efficient operation of the flat integrated command system creates a borderless collaborative space for users.

Government Emergency: When an incident occurs, each management department uses the integrated communication command and dispatch platform to realize front and rear joint command and business coordinated dispatch, and at the same time quickly start a hybrid audio and video conference. Participants can use a variety of different Terminal equipment is connected to realize the sharing and interoperability of event information among all employees; various data collection terminals at the front site solve the problems of on-site data collection and central rapid reporting, and ultimately achieve the effect of immediate reporting, rapid dispatch, and rapid resolution, minimizing the risk of Reduce the adverse effects of emergencies, improve people's life safety, and reduce property losses from all sectors of society.

Cultural and tourism field: When an emergency occurs in a tourist attraction, the scenic area authorities can grasp the real-time situation of the scenic area through the system and guide the scenic area rescue personnel to deal with various emergencies in a timely manner; the platform provides various communication and information services It provides the cultural and tourism authorities and tourist attractions with decision-making basis and analysis methods as well as command and order implementation, deployment and supervision methods. It can mobilize various resources in a timely and effective manner, implement disaster control and medical treatment, and reduce the impact of emergencies on tourists’ health and safety. Threats to life safety, so as to use the most effective control means and the smallest investment of resources to control losses to a minimum.

Judicial dispatch: Establish a judicial administrative command and dispatch platform that focuses on daily supervision and is supplemented by emergency command. It is connected to various communication systems to realize real-time accounting of video surveillance, GIS information, cluster intercom, alarm equipment and other information. and alarm, with the command center of the Department of Justice (Bureau) as the core, running through the three-level network of provinces, cities, and counties, and can be connected to the command centers of the provincial prison bureau, city and county bureaus, and provide services for prisons, community corrections, judicial examinations, judicial mediation, etc. The responsible area allocates hierarchical and decentralized users to achieve globalization and visualization of businesses at all levels, as well as the flattening of multi-level management.

Public health emergency: The integrated communication platform can bring together various communication networks, as well as multiple public emergency forces such as hospitals, disease control, and communities, to issue instructions in real time and coordinate resources, thereby building unified command, unified dispatch, The emergency system of unified coordination and information sharing relies on the data aggregation center to integrate various data to achieve a single picture of emergency management, which facilitates the command center to conduct comprehensive visual monitoring of various types of information changes and obtain timely, accurate, and objective information.

In addition to the above fields, the integrated communication platform can also be used in command and rescue work such as urban fires, geological disasters, flood prevention and drought relief. In short, a platform based on converged communication technology integrates wired/wireless voice dispatch, video dispatch, emergency on-site surveillance video and command dispatch, improves the ability of multi-department joint coordination actions, and achieves unified dispatch, department linkage, resource sharing, Quick response and efficient disposal help various management departments to effectively carry out command and rescue work.

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