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802.11-based Wireless Mesh Networks are seen as a means for providing last mile connections to Next Generation Networks. Due to the low deployment cost and the mature technology used, they are scalable, easy to implement and robust. With an increasing coverage of wireless networks, VoIP becomes a cheaper alternative for traditional and cellular telephony. This paper carries out a feasibility study of VoIP in a dual radio mesh environment. Heading towards 802.11s, the paper presents the design of a mesh testbed and methodology for performing the measurements. Additionally, the paper addresses the problem that small voice packets introduce a high overhead leading to a low voice capacity of 802.11 based mesh networks.
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