Performance Analysis of LAN, MAN, WAN, and WLAN Topologies for VoIP Services Using OPNET Modeler

  • Poonam ChakrabortyEmail author
  • Aparna M. Telgote
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 810)


Visual and Vocal communication can be transferred through Circuit switched Network or Packet Switched Network. Public Switched Telephone Network (PSTN) is not an affordable option therefore over existing packet switched network, Voice over Internet Protocol (VoIP) has become a preferable alternative due to its reduced cost. However, despite its reduced cost it has so many challenges which affect its successful deployment. This is because; the quality of VoIP is mainly affected by jitter, delay, packet loss and some other parameters. This research was carried out to evaluate voice quality in VoIP experimentally under different scenarios using OPNET network simulator. A VoIP network was simulated using Riverbed modeler academic edition 17.5 and the behavior and quality of VoIP was studied and analyzed under different scenarios. The results of the analysis and the performance evaluation are presented in this paper. This work can guide researchers and designers to design a network for VoIP services and its deployment. It can also guide the operators to choose speech compression technique for better voice quality.


Voice over Internet Protocol (VoIP) Quality of Service (QoS) Mean Opinion Score (MOS) Jitter 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Don Bosco Institute of TechnologyMumbaiIndia

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