Integrated Services Digital Network (ISDN) - Selective Call Forwarding (SCF) supplementary services (unconditional, busy and no reply) - Service description
German title
Dienstintegierendes Digitalnetz (DIDN) - Anrufweiterschaltung Dienstmerkmales (Ständig, bei Besetzt und bei Nichtmelden des gerufenen Nutzers) - Dienstbeschreibung
Publication date
2001-12-01
Original language
French
Pages
19
Publication date
2001-12-01
Original language
French
Pages
19
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