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  4. Standard "ETSI EN 300121-V1.2.1"
Standard ETSI EN 300121-V1.2.1 2.7.2003 preview

ETSI EN 300121-V1.2.1

Integrated Services Digital Network (ISDN); Application of the ISDN User Part (ISUP) of ITU-T Signalling System No. 7 (SS7) for international ISDN interconnections (ISUP version 1) Amendment 1: International Emergency Preference Scheme (IEPS) service [ITU-T Recommendation Q.767 Amendment 1 (2002), modified]



STANDARD published on 2.7.2003


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Price15.60 USD excl. VAT
15.60 USD

The information about the standard:

Designation standards: ETSI EN 300121-V1.2.1
Publication date standards: 2.7.2003
SKU: NS-308375
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: European technical standard
Category: Technical standards ETSI

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