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Standard [CURRENT]

NF Z81-712:2001-05-01

NF ETS 300712:2001-05-01

Integrated Services Digital Network (ISDN) - Public switched Telephone Network (PSTN) - Premium Rate (PRM) service - Service description

German title
Dienstintegrierendes Digitalnetz (DIDN) - Öffentliches Fernsprechwählnetz (PSTN) Mehrwertdienst mit besonderer Kennzahl un besonderem Entgelt - Dienstbeschreibung
Publication date
2001-05-01
Original language
French
Pages
21

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Publication date
2001-05-01
Original language
French
Pages
21

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