Integrated Services Digital Network (ISDN) - Call Forwarding Busy (CFB) supplementary service - Service description (Endorsement of the English version EN 300199 V 1.2.1 (2001-06) as German standard)
German title
ISDN - Dienstmerkmal "Anrufweiterschaltung bei Besetzt" - Dienstbeschreibung (Anerkennung der Englischen Fassung EN 300199 V 1.2.1 (2001-06) als Deutsche Norm)
Publication date
2002-07
Original language
German
Pages
1
Publication date
2002-07
Original language
German
Pages
1
DOI
https://dx.doi.org/10.31030/9280528
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