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YD/T 1157-2022 English PDF

US$349.00 ยท In stock
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YD/T 1157-2022: (Transmission of calling number between networks)
Status: Valid

YD/T 1157: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YD/T 1157-2022English349 Add to Cart 3 days [Need to translate] (Transmission of calling number between networks) Valid YD/T 1157-2022
YD/T 1157.1-2002English239 Add to Cart 3 days [Need to translate] The requirements for calling party number Supplementary 1 Obsolete YD/T 1157.1-2002
YD/T 1157-2001English799 Add to Cart 4 days [Need to translate] The Transfer of Calling Party Number between Operators Obsolete YD/T 1157-2001

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Basic data

Standard ID YD/T 1157-2022 (YD/T1157-2022)
Description (Translated English) (Transmission of calling number between networks)
Sector / Industry Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard M10
Word Count Estimation 15,120
Date of Issue 2022-09-30
Date of Implementation 2023-01-01
Older Standard (superseded by this standard) YD/T 1157-2001; YD/T 1157.1-2002; YD/T 1157.2-2003; YD/T 1157.3-2005; YD/T 1157.4-2016
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the method and format for transmitting calling party numbers between different operators based on circuit switching network or soft switching network. Calling number transmission requirements between IMS networks of different operators are outside the scope of this standard. This standard applies to the transmission of calling numbers between networks.

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Question 5: Should I purchase the latest version YD/T 1157-2022?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YD/T 1157-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.