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YDN030.2-1997 English PDF

US$319.00 ยท In stock
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YDN030.2-1997: Code number and dialing procedure of universal personal telecommunication, wide area Centrex switch (WAC), vote of telephone (VOT) and mass calling (MAS) services (internal standard)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YDN 030.2-1997English319 Add to Cart 3 days [Need to translate] Code number and dialing procedure of universal personal telecommunication, wide area Centrex switch (WAC), vote of telephone (VOT) and mass calling (MAS) services (internal standard) YDN 030.2-1997

PDF similar to YDN030.2-1997


Standard similar to YDN030.2-1997

YD/T 3910   YD/T 3909   YD/T 1761   YDB 063   YDB 064   YDB 062   

Basic data

Standard ID YDN 030.2-1997 (YDN030.2-1997)
Description (Translated English) Code number and dialing procedure of universal personal telecommunication, wide area Centrex switch (WAC), vote of telephone (VOT) and mass calling (MAS) services (internal standard)
Sector / Industry Telecommunication Industry Standard
Classification of Chinese Standard M21
Word Count Estimation 8,813
Date of Issue 4/2/1997
Date of Implementation 5/1/1997
Summary This standard specifies the Universal Personal Communications (UPT), Wide Area Centrex (WAC), telephone bid (VOL) and Volkswagen call (MAS) which four kinds of business principles and dial the number of the procedures applicable to these four kinds of different manufacturers business development and business operations open.

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