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  4. Standard "ETSI ETS 300257-ed.1"
Standard ETSI ETS 300257-ed.1 29.11.1993 preview

ETSI ETS 300257-ed.1

Private Telecommunication Network (PTN); Inter-exchange signalling protocol; Diversion supplementary services



STANDARD published on 29.11.1993


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Price68.60 USD excl. VAT
68.60 USD

The information about the standard:

Designation standards: ETSI ETS 300257-ed.1
Publication date standards: 29.11.1993
SKU: NS-312407
The number of pages: 66
Approximate weight : 198 g (0.44 lbs)
Country: European technical standard
Category: Technical standards ETSI

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