NF EN 301258
NF EN 301258

NF EN 301258

May 2004
Standard Current

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Recall supplementary service (V1.2.1)

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Main informations

Collections

National standards and national normative documents

Publication date

May 2004

Number of pages

7 p.

Reference

NF EN 301258

ICS Codes

33.030   Telecommunication services. Applications
33.040.35   Telephone networks
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