GB/T 17789-1999

Procedures for simultaneous transmission of data and digitally encoded voice signals over the PSTN or over 2-wire leased point-to-point telephone type circuits

NORM herausgegeben am 13.7.1999

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The information about the standard:

Designation standards: GB/T 17789-1999
Publication date standards: 13.7.1999
Country: Chinese technical standard
Kategorie: Technische Normen GB