3836048
9780764588433
'VoIP for Dummies' explains in simple terms all the current options for converging a network, however big or small, to operate with VoIP. VoIP network services bypass the local exchange carrier-owned networks and therefore save costs for customers and companies.Kelly, Timothy V. is the author of 'Voip for Dummies', published 2005 under ISBN 9780764588433 and ISBN 0764588435.
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