ETSI EN 301 657

ETSI EN 301 657
ETSI EN 301 657 English PDF Private Integrated Services Network (PISN); Specification, functional models and information flows; Private User Mobility (PUM); Call handling Additional Network Features (ANFs) [ISO/IEC 17877 (2000), modified]

standard published 10/01/2000 by European Telecommunications Standards Institute

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Full Description

Combine previously approved stage 1 and 2 descriptions into a single ECMA standard and align with the stage 3.

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