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Network Quality of Service Monitoring for IP Telephony
Ghita BV, Furnell SM, Lines BL, Le Foll D, Ifeachor E
Internet Research, vol. 11, no. 1, pp26-34, 2001
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This paper presents a non-intrusive method of determining network performance parameters for voice packet flows within a VoIP (Voice over IP, or Internet Telephony) call. An advantage of the method is that it allows not only end-to-end performance monitoring of flows, but also makes it possible to inspect the transport parameters a specific network or link when delay sensitive traffic transits through it. The results of a preliminary test, to check the validity of the method, are also included.

Ghita BV, Furnell SM, Lines BL, Le Foll D, Ifeachor E