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Standard ECMA-224
Private Integrated Services Network (PISN) - Specification, Functional Model and Information Flows - Transit Counter Additional Network Feature (ANF-TCSD)

2nd edition (June 1997)

The latest edition of this Ecma Standard is available here.

You can download the previous replaced "historical" edition of this Ecma Standard, free of charge:

File name Content
ECMA-224 1st edition Acrobat (r) PDF file


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