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ETSI EN 301 657

M00000913

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

standard by European Telecommunications Standards Institute, 06/01/2003

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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.