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Standard STN EN 301989-V1.1.1 1.9.2003 preview

STN EN 301989-V1.1.1 (871989)

Corporate telecommunication Networks (CN); Signalling interworking between QSIG and H.323; Call Completion supplementary services [ISO/IEC 21991 (2002) modified]



STANDARD published on 1.9.2003


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The information about the standard:

Designation standards: STN EN 301989-V1.1.1
Classification mark: 871989
Catalog number: 91340
Publication date standards: 1.9.2003
SKU: NS-520918
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Slovak technical standard
Category: Technical standards STN

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Telephone networksTelecommunication services. Applications

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