Title |
Zum Thema: günstiger telefonieren via Internet : [Geld sparen beim Telefonieren ; günstig faxen ; IP-Konferenzen einrichten] / Bernd Kretschmer/Uwe Grigoleit |
|---|---|
Involved |
Bernd Kretschmer (Verfasser) |
Published |
Kaarst: bhv |
Edition |
1. Aufl. |
Extent |
297 S. : Ill., graph. Darst. |
ISBN |
978-3-8287-6031-8 |
Topic |
|
Subject |
|
Record ID |
954091639 |
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