NF EN 301821
NF EN 301821

NF EN 301821

May 2004
Standard Current

Private Integrated Service Network (PISN) - Inter-exchange signalling protocol - Private User Mobility (PUM) - Registration 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

6 p.

Reference

NF EN 301821

ICS Codes

33.030   Telecommunication services. Applications
33.040.35   Telephone networks
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