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A Virtual Private Branch Exchange Model for Improvement of Voice Call Quality in Intranet and Internet Communication Systems

Authors: KUYORO Afolashade

Publication Type: Journal article

Journal: Journal Of Multidisciplinary Engineering Science And Technology

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Abstract—It has been observed that VoIP calls, such as on WhatsApp, Skype and Viber, have call quality issues, such as echo, jitter, noise, packet loss and delay. Various researchers have attempted to resolve these issues using packet loss concealment, machine language, codec selection and mathematical methods. However, the problem of call quality still persists. This study therefore developed a model for improving call quality in a VoIP communication system known as Virtual Private Branch Exchange (VPBX). The VPBX client-server application (app) model was designed using JAVA programming language in a NetBean environment. For the evaluation of the model, the client software application (app), and server application were installed on three computers. Two of the computers served as clients with a client app installed on them for VPBX system calls, while the third served as a server with a server app. The outcome of the study shows that one can leverage on the current broadband technology offered by the Internet to make calls both within and outside the organization. In conclusion, it has been demonstrated that VPBX offered a very good voice call quality by incorporating existing Internet facilities, without running cables. It is therefore recommended that organizations should use VPBX to make and receive calls within and outside organizations to save cost.

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KUYORO,A. . (2020). A Virtual Private Branch Exchange Model for Improvement of Voice Call Quality in Intranet and Internet Communication Systems, 7 (), 11621-11621.

KUYORO,A. . "A Virtual Private Branch Exchange Model for Improvement of Voice Call Quality in Intranet and Internet Communication Systems" 7, no (), (2020): 11621-11621.

KUYORO,A. and . (2020). A Virtual Private Branch Exchange Model for Improvement of Voice Call Quality in Intranet and Internet Communication Systems, 7 (), pp11621-11621.

KUYOROA, . A Virtual Private Branch Exchange Model for Improvement of Voice Call Quality in Intranet and Internet Communication Systems. 2020, 7 ():11621-11621.

KUYORO,Afolashade , . "A Virtual Private Branch Exchange Model for Improvement of Voice Call Quality in Intranet and Internet Communication Systems", 7 . (2020) : 11621-11621.

K.Afolashade , "A Virtual Private Branch Exchange Model for Improvement of Voice Call Quality in Intranet and Internet Communication Systems" vol.7, no., pp. 11621-11621, 2020.

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