Business Telecommunications (BTC). Ordinary and Special quality voice bandwidth 4-wire analogue leased lines (A4O and A4S). Attachment requirements for terminal equipment interface
German title
GESCHAEFTSTELEKOMMUNIKATION. ANALOGE NORMAL- UND SONDERQUALITAETS-4-DRAHT-MIETLEITUNGEN UM STIMMFREQUENZBEREICH (A4O UND A4S). ANFORDERUNGEN FUER DEN ANSCHLUSS DER ENDGERAETESCHNITTSTELLE
Publication date
1998-06-01
Original language
French
Pages
24
Publication date
1998-06-01
Original language
French
Pages
24
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