Abstract
To determine the voice load that can be supported by a packet-based node, we study the MMBP/D/1 model. Using this load the number of phones that can be supported by that node is calculated. We investigate the case of homogeneous and heterogeneous traffic and phones with and without silence suppression, and study the impact of the link rate, the activity grade and the codec bit rate. We also compare the number of phones that can be supported by the node according to the MMBP/D/1 model with the number of phones that can be supported according to the M/D/1 model.
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