ISBN: 9780321384867 - fire the phone company: a handy guide to voice over ip (1 risultati)

Taschenbuch. Condizione: Neu. Unbenutzte Restauflage Unbenutzt. Schnelle Lieferung, Kartonverpackung. Abzugsfähige Rechnung. Bei Mehrfachbestellung werden die Versandkosten anteilig erstattet. -For anyone longing to break free from the phone company's tethers, this handy guide provides the perfect place to start. Realizing that VoIP st still just an acronym to many, author David Field speaks sqaurely to consumers, showing them they don't have to technologists to start achieving savings through Internet phone services. 181 pp. Englisch.…