“…There are 3 types of routing protocols namely, proactive, reactive, and hybrid as shown in Figure 1 [Ghosh, T, Tiwari, S & Sahay, J 2017]. Two routing protocols AODV, and OLSR were analyzed for this paper, as they are the best for VoIP as shown in many studies [Hassine, K & Frikha, M 2017] [Jin, C, Wei, DX & Low, SH 2006]. Hoc On-Demand Distance Vector (AODV) is a reactive routing protocol, it uses broadcast discovery mechanism and sequence number to find the best fresh recent routes to the destination.…”