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Voice over IP (VoIP) has received much attention in recent years with the promise of lower costs, as well as new revenue-generating services. Cost and services advantages of carrying voice over IP compared to over the current circuit network are made possible by a common high-capacity packet infrastructure for voice, data, and multimedia services. An(More)
In a variety of, overloaded queueing, systems (e+, an overloaded call processing system), long delays can result either in poor service given to the customer or in customers, unknown to the system, turning " bad. " For example, in switching systems, long dial tone delays can result in customers initiating,dialing before receiving dial tone. In this case the(More)