International Journal of Computer
Trends and Technology

Research Article | Open Access | Download PDF

Volume 49 | Number 2 | Year 2017 | Article Id. IJCTT-V49P135 | DOI : https://doi.org/10.14445/22312803/IJCTT-V49P135

The Technologies of Voice over Internet Protocol (VoIP) Based Telephony System: A Review


Odii J. N., Nwokoma F.O., Onwuama T.U., Ejem A

Citation :

Odii J. N., Nwokoma F.O., Onwuama T.U., Ejem A, "The Technologies of Voice over Internet Protocol (VoIP) Based Telephony System: A Review," International Journal of Computer Trends and Technology (IJCTT), vol. 49, no. 2, pp. 217-222, 2017. Crossref, https://doi.org/10.14445/22312803/IJCTT-V49P135

Abstract

Voice over Internet protocol (VoIP) technology of a high degree reliability and resilience that allows users to make telephone calls over an internet protocol (IP) network has been developed in this research to tackle the various problems of Public Switched Transfer Network (PSTN) such ashigher costs per call, especially for long-distance calls ,higher infrastructure costs among others.Prototyping was deployed to build a prototype VoIP-based telephony systemwhile Cisco packet tracer was configured to run several simulation sessions of the developed specifications. The simulation results showed that VoIP can be successfully deployed to provide in a flexible manner, additional data-driven services that requires cost saving, phone portability, service mobility, integration and collaboration with other applications and there is no geographical boundary for the technology.

Keywords

VOIP, SIP, IP Telephony, PSTN, Packet Tracer

References

[1] Arcomano, R. 2002. “VOIP How To”:Voice over IP News. All about VOIP. http//www.voipnow.com/types.mht.
[2] Atkinson, R.D. 2005.“Internet Telephone Service. A New Era of Competition in Telecommunication”. Policy Report.
[3] Bradley M. 2007. Asterisk; The Future of Telephony, Second Edition.
[4] Jackson, C. 2004. “A Quick Introduction to Voice over Internet Protocol”. Prepared for the University of Florida’s Public Utility Research Centre (PURC)
[5] Kualu, B. 2004. “Elastix without Tears”. The ICT serial following The Elastix IPBX distribution Development