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Database: 189760 (18 Oct 2025)
YD/T 5185-2021 English PDF
YD/T 5185: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
YD/T 5185-2021
English
RFQ
ASK
3 days [Need to translate]
(IP Multimedia (IMS) Engineering Design Specification)
Valid
YD/T 5185-2021
YD/T 5185-2010
English
RFQ
ASK
7 days [Need to translate]
Provisional Design Specifications for IP multimedia subsystem (IMS) Engineering
Obsolete
YD/T 5185-2010
PDF similar to YD/T 5185-2021
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YD/T 5184
Basic data
Standard ID
YD/T 5185-2021 (YD/T5185-2021)
Description (Translated English)
(IP Multimedia (IMS) Engineering Design Specification)
Sector / Industry
Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard
P76
Classification of International Standard
33.020
Date of Issue
2021
Date of Implementation
2021-04-01
Older Standard (superseded by this standard)
YD/T 5185-2010
Regulation (derived from)
Ministry of Industry and Information Technology Announcement No. 6 of 2021
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard is applicable to the construction and design of IMS networks and provides corresponding basis. The main contents include: IMS network capabilities, system architecture and functions, network structure and node settings, IMS network function virtualization architecture and settings, network organization, routing principles, roaming and nomadic, addresses and numbers, inter-network interworking, signaling and IP Bandwidth calculation, equipment configuration, service quality indicators and IP bearer network requirements, billing, network management, network security, synchronization, equipment installation process requirements, etc.