Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Do not disturb and do not disturb override supplementary services (V1.3.1)
German title
Private diensteintegrierende Netze (PISN) - Zeichengabe zwischen Telekommunikationsanlagen - Dienstmerkmale Anrufschutz und Durchbrechen des Anrufschutzes (V1.3.1)
Publication date
2004-05-01
Original language
English
Pages
7
Publication date
2004-05-01
Original language
English
Pages
7
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