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Voice over IP goes wireless: VoIP promises great cost savings, but quality of service and security are still issues to consider.(Telephone Technology): An article from: Mobile Business Advisor

Name: Voice over IP goes wireless: VoIP promises great cost savings, but quality of service and security are still issues to consider.(Telephone Technology): An article from: Mobile Business Advisor
Author: John R. Vacca
ISBN: 978B0008E7X83