DIN ETS 300712

December 1997

Standard Current

Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Premium Rate (PRM) service - service description - English version ETS 300712:1997

Main informations

DIN german standards

December 1997

24 p.

DIN ETS 300712

33.040.35 Telephone networks

33.080 Integrated Services Digital Network (ISDN)

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