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Softswitch and IMS technology
20/10/2021 1358
Softswitch and IMS technology

Copyright information Book title: Softswitch and IMS technologyAuthor: Yang FangchunPress: Beijing University of Posts and Telecommunications Publication time: 2007ISBN:9787563513901Format: 16Price:...

Soft switch
20/10/2021 1503
Soft switch

Concept OriginIn the traditional PSTN switching network, service control, call control, and transmission bearer are all concentrated in the switch, and all PSTN services must Realized through TDM s...

Digital network
19/10/2021 1567
Digital network

Advantages of digital network Digital network has a series of advantages due to the use of digital technology: it can reduce hardware cost, improve reliability and maintainability, improve line trans...

Integrated Services Digital Network Switch
19/10/2021 1499
Integrated Services Digital Network Switch

Functions The functions of ISDN switches include:① Carrying and exchanging user information, that is, the switch enters the time division multiplex line (from the user or from other networks in the...

3 (Internet language)
18/10/2021 1354
3 (Internet language)

Usage 1: In games, especially in competitive games, due to the need to express meaning to teammates quickly, 3333 means flash and retreat because of its homophonic sound. The more the number, the more...

9527 (Internet language)
18/10/2021 1416
9527 (Internet language)

StatementAs CP-type entries do not conform to the principles of encyclopedia writing, they will be fully rectified in the near future. Relevant fans are requested to read the announcement content in...

Linker
17/10/2021 1344
Linker

LinkerIn this case, the target code, that is, the machine code that has not yet been connected, and the executable machine code There is a difference between. The linker also links the target program...

Connection (programming term)
17/10/2021 1428
Connection (programming term)

Inner join Inner join (inner join) is a common "join" operation used in applications, it is generally Both are the default connection types. The inner join combines the columns of the two tables (su...

Leakage protection
16/10/2021 1830
Leakage protection

Interpretation When the leakage current of the grid exceeds a certain set value, it can automatically cut off the power supply or send out an alarm signal as a safety protection measure. Leakage pro...

Leakage protection plug
16/10/2021 1436
Leakage protection plug

Overview When this part of the current flows into the earth through the human body, it will cause an electric shock. The function of the "leakage protection plug" is to automatically cut off the powe...

CAV (audio brand)
15/10/2021 2407
CAV (audio brand)

Brand development Brand development (11 photos)In 1993, CAV launched the first home theater central unit CAV 486 series in the Chinese market . In 1996, CAV launched the first home theater CAV 586 s...

CAV (constant air volume system)
15/10/2021 1548
CAV (constant air volume system)

When the load of the air-conditioning area changes, the air supply temperature will be changed to meet the indoor load and meet the requirements of maintaining the indoor temperature in the comfort zo...

Data encoding
14/10/2021 1931
Data encoding

Introduction Data encoding is the key to computer processing. Different information records should use different codes, and one code point can represent one information record. Because the data and...

Data segment
14/10/2021 1357
Data segment

Introduction In the architecture using segmented memory management, the data segment and code segment are determined before the program runs. OSI Data segment is a transport layer PDU. Each layer o...

MOS integrated circuit
13/10/2021 1498
MOS integrated circuit

Type According to the channel conductivity type of the transistor, it can be divided into P-channel MOSIC, N-channel MOSIC, and complementary MOSIC that combines P-channel and N-channel MOS transist...