YDN030.2-1997 English PDF

US$319.00 · 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 ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YDN 030.2-1997	319	Add to Cart	3 days	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)

Similar standards

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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