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Avoiding the long-distance carrier network (and associated tolls) when connecting to another subscriber outside of the local area, by means of the ...
voicendata.ciol.com/content/goldbook/goldbook04/404031132.asp
Posted by waqasahmad
A term that concisely describes how VoIP telephony service completely sidesteps the regulated, circuit-switched PSTN and all its assoc toll usage charges by carrying telephone calls over private, packet-switch networks.
Posted by vishwesh
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