YDN034.4-1997 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YDN 034.4-1997	RFQ	ASK	3 days	ISDN subscribers - specification for network interfaces. Part 4 Technical specifications for supplementary services (internal standard)

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Basic data

Standard ID: YDN 034.4-1997 (YDN034.4-1997)
Description (Translated English): ISDN subscribers - specification for network interfaces. Part 4 Technical specifications for supplementary services (internal standard)
Sector / Industry: Telecommunication Industry Standard
Classification of Chinese Standard: M14
Word Count Estimation: 155,171
Date of Issue: 2/18/1997
Date of Implementation: 3/1/1997
Adopted Standard: ITU-T Q.932, MOD; ITU-T Q.950, MOD; ITU-T Q.951, MOD; ITU-T Q.952, MOD; ITU-T Q.953, MOD; ITU-T Q.954, MOD
Summary: This standard specifies the user - network interface ISDN supplementary services applicable to common control procedures. These programs can be used with existing call related or call in addition to any existing applications and supplementary services operations. Meanwhile, This standard specifies a detailed definition of 16 kinds of supplementary services, coding, procedures and information flow, business type, see 3. 1.

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