New: isdn

twomoon (42)in deutsch • 7 years ago
Betrug beim telefonieren
Telefonbetrüger haben eine neue Masche entwickelt: Sie verschaffen sich per Fernzugriff über die Telefonleitung Zugang zu ISDN-Anlagen und initiieren dann teure Telefonate zu ausländischen…
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neuroevolution (25)in technology • 8 years ago
How to ditch ISDN lines for SIP without purchasing a new VoIP telephone system.
Dear reader, This is a post for anyone who wishes to ditch their ISDN lines for SIP but does not necessarily want to purchase a new VoIP telephone system. When will ISDN be switched off? BT…
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