Telekom für Dummies, Taschenbuch von Olejniczak, Stephen P., wie neu gebraucht, kostenlos...
20,76 €
Telecom for Dummies, Paperback by Olejniczak, Stephen P., ISBN 047177085X, ISBN-13 9780471770855, Like New Used, Free shipping in the US Written for the employee newly in charge of a company's phone system, this guide offers advice on finding a phone service that suits a business's needs, ordering equipment, and troubleshooting the circuits and systems already installed. Switched phone lines, dedicated phone lines, and toll-free services are all explained along with the future potential offered by voice over internet protocol (VoIP). Annotation ©2007 Book News, Inc., Portland, OR ()
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