Catalogue of telecommunication networks and telecommunications services, classification of basic tel

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According to the "Telecommunication Business Classification Catalogue (2015 Edition)" (Note: the first version of the Telecommunication Business Classification Catalogue was issued in 2000, and then it was adjusted twice, namely the first adjustment in June 2001, the second adjustment in March 2003, and the revision in 2008), China's telecommunication services are divided into basic telecommunication services.

It mainly includes fixed communication services, cellular mobile communication services, etc.) and value-added telecommunication services.

Two categories. Basic telecommunication services: refers to services that provide public network infrastructure, public data transmission, and basic voice communication services. Generally, it refers to the services of the three major operators, such as China Mobile, China Telecom, and China Unicom, such as the use of fixed networks and mobile networks.

Satellite, Internet, business activities that provide voice call services, as well as business activities that lease or optimize network elements such as bandwidth and wavelength, are generally not available to enterprises.

Value-added telecommunication services: refers to the use of public network infrastructure to provide additional telecommunications and information services, sometimes referred to as enhanced services. The value realized makes the original basic network economically economic.

or increased functional value (in layman's terms, it is just to add some value-added services to the basic telecommunications services, such as: using basic telecommunication services such as fixed networks, mobile networks, satellites, the Internet, and cable television networks to provide SMS and MMS services, electronic data and information transmission and application services, Internet access services and other business activities, which are value-added telecommunications services). Value-added telecommunications services are further divided into two categories:

The first type of value-added telecommunication services are based on facilities and resources, and the second type of value-added telecommunication services are services based on public application platforms, which are mainly divided into six sub-categories, as shown in the figure below.

Basic telecommunications services include the following nine types:

1) Fixed network domestic long-distance and local** services;

2) mobile networks** and data services;

3) Satellite communications and mobile satellite communication services;

4) Internet and other public data transmission services;

5) Leasing of bandwidth, wavelength, optical fiber, optical cable, pipes and other network elements;

6) Network bearing, access and network outsourcing;

7) International telecommunications infrastructure and international telecommunications services;

8) wireless paging services;

9) Resale of basic telecommunications services.

The services in items (8) and (9) shall be managed by reference to value-added telecommunication services.

Value-added telecommunications services include the following nine types:

a) E-mail;

b) Voicemail; Leakage.

4) Electronic Data Interchange;

6) Value-added fax;

7) Internet access services;

8) Internet information services.

ix) Visual** conference services.

First of all, let's explain what is called fixed network domestic data transmission service.

1. Fixed network domestic data transmission services refer to domestic end-to-end data transmission services provided in wired mode in fixed networks other than Internet data transmission services, mainly including data transmission services based on IP bearer networks, ATMs, packet switched networks, DDNs, and frame relay networks. The specific classification of value-added telecom licenses below is shown in the figure below.

1. The service technology is limited to IP technology, ATM, and frame relay, and the closed user group network with security and confidentiality is customized for users.

Note: It is different from the value-added service of domestic IP-VPN (Internet only) service.

Case enumeration】 Typical services: permanent virtual circuit (PVC) data transmission service, switched virtual circuit (SVC) data transmission service, and x25 packet network switching.

2. Application conditions for A24 fixed network domestic data transmission business: Longyi Xin'an Yanga7609 Wei you can answer your questions.

1. The applicant enterprise needs to be a purely domestic-funded enterprise (registered capital of 10 million).

2. The business scope of the business license shall include: value-added telecommunications business or telecommunications business.

3. The applicant company cannot have foreign capital.

4. Apply for the social security certificate of 3 people in the name of the company in the near future.

3. A24 application time.

60 days after the Ministry of Industry and Information Technology submits the application for acceptance, which is about a month.

a Basic telecommunications services.

1. Category I basic telecommunications services.

1) Fixed communication services.

2) Cellular mobile communication services.

3) Category I satellite communications services.

4) Category I data communication services.

2. The second type of basic telecommunications services.

1) Trunking communication services.

2) Wireless paging services.

3) Category II satellite communications services.

4) The second type of data communication services.

5) Network access services.

6) Domestic communication facilities service business.

7) Web hosting business.

According to the type of telecommunication business, it is divided into: ** network, telegraph network, user telegraph network, data communication network, fax communication network, image communication network, cable television network, etc. According to the scope of the service area, it is divided into:

Local telecommunication networks, rural telecommunication networks, long-distance telecommunication networks, mobile communication networks, international telecommunication networks, etc. According to the type of transmission medium, it can be divided into: overhead open line network, cable communication network, optical cable communication network, satellite communication network, user optical fiber network, low-orbit satellite mobile communication network, etc.

According to the switching mode, it can be divided into: circuit switching network, message switching network, packet switching network, broadband switching network, etc. According to the structural form, it is divided into:

Mesh, star, ring, raster, bus, etc. According to the form of information signals, it is divided into: analog communication network, digital communication network, digital analog hybrid network, etc.

According to the information transmission mode, it can be divided into: Integrated Services Digital Network (ISDN) in synchronous transfer mode (STM) and Broadband Integrated Service Digital Network (B-ISDN) in remote transfer mode (ATM). In China, the telecommunication network refers to the network built and managed by the former Ministry of Posts and Telecommunications, such as the traditional switching network (PSTN), digital data network (DDN), frame relay network (FR), ATM network, etc.

ATM is the key equipment to support the construction and operation of high-speed data network, ATM uses short, fixed-length (53 bytes) data packets as the unit of information transmission, 48 bytes of 53 bytes are the load of information, and 5 bytes are used to identify the control and error correction information of virtual circuits and virtual channels. ATM supports 25Mbit S-24GBY S rate transmission, and the network composed of ATM can not only transmit voice but also data and images, including high-speed data and live image. In the past, people hoped to use ATMs to be compatible with or replace traditional networks, but failed.

At present, in addition to the above-mentioned networks, the telecommunication network also has a network, an ISDN network, a Chinaet network, etc.

Classification of telecommunications services.

a.Basic telecommunications services.

1. Category I basic telecommunications services.

2. The second type of basic telecommunications services.

b.Value-added telecommunications services.

1. Category 1 value-added telecommunications services.

2. The second type of value-added telecommunications services.

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