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Network dimensioning for voice over IP Tuomo Hakala

This article concentrates in the issues of network dimensioning for voice over IP (VoIP). The network under dimensioning is an IP network between VoIP user devices. First, a short introduction to VoIP in general is given. Second, the issues in network dimensioning for VoIP are identified. Third, bandwidth requirements of VoIP are calculated. Fourth, basic approaches to Quality of Service are discussed and finally conclusions are drawn.