scholarly journals How companies use open source software in the voice over Internet Protocol market

2006 ◽  
Author(s):  
Azmat Khan
Keyword(s):  
Open Source ◽  
Open Source Software ◽  
Internet Protocol ◽  
Voice Over Internet Protocol ◽  
The Voice

scholarly journals Kualitas Pelayanan Dalam Voice Over Internet Protokol Berbasis Shorewall

2019 ◽  
Vol 7 (2) ◽  
pp. 123-132
Author(s):  
Hendra Supendar ◽  
Yopi Handrianto ◽  
Santoso Setiawan
Keyword(s):  
Operating System ◽  
Service Quality ◽  
Open Source ◽  
Packet Loss ◽  
Internet Protocol ◽  
Voice Over Internet Protocol ◽  
Success Factor ◽  
Delay Jitter ◽  
Internet Media

Abstract   Communication is very important and a success factor of the system at the company. Communication can be done using telephone media and internet media. PT. Interdev Prakarsa has several branches and communication between branches is still done using telephone media, and it is very costly for the company especially since the company is already using internet media in the network. The solution to this problem in this study was designing an internet-based technology as communication between branches, the technology is called Voice over Internet Protocol (VoIP) with an open source operating system and an open source firewall that was Shorewall. Result showed that after installation and testing, this firewall reliable enough to overcome the problem of attack problems from outside. The results of VoIP tightening on service quality found that the application of VoIP did not consume a lot of CPU Benchmarks, i.e. only 0.80 to 1.35 per cent. The bandwidth used is also very small between 86 to 86.8 kbps for incoming calls and 83.4 up to 84.3 kbps for outgoing calls. Communication built between VoIP peripherals has also been tested to run well because the value of delay, jitter and packet loss is included in the good category. Keywords: VoIP, Shorewall, Comunication   Abstrak   Komunikasi pada sebuah perusahaan sangatlah penting, dimana komunikasi menjadi alat ukur keberhasilan sistem di perusahaan tersebut. Komunikasi yang dilakukan dapat menggunakan media telepon dan media internet. PT. Interdev Prakarsa memiliki beberapa cabang dan komunikasi antar cabang masih dilakukan dengan menggunakan media telepon, dan itu sangatlah menghabiskan cost perusahaan apalagi perusahaan tersebut sudah menggunakan media internet dalam jaringan. Solusi dari permasalahan tersebut adalah dengan mendesain sebuah teknologi yang berbasis jaringan internet sebagai komunikasi antar cabang, teknologi tersebut bernama Voice over Internet Protocol (VoIP) dengan sebuah sistem operasi open source dan sebuah firewall open source yaitu Shorewall dimana setelah dilakukan penginstallan dan pengetesan, firewall ini cukup handal untuk mengatasi masalah masalah serangan dari luar.  Hasil dari pengetasan VoIP terhadap kualitas pelayanan didapatkan bahwa penerapan VoIP tidak banyak menghabiskan Benchmark CPU yaitu hanya 0,80 sampai degan 1.35 persen per call.  Untuk bandwidth yang di pakai juga sangatlah kecil berada di antara 86 sampai dengan 86.8 kbps untuk panggilan masuk dan 83.4 sampai dengan 84.3 kbps untuk panggilan keluar. Komunikasi yang dibangun antar peripheral VoIP pun teruji berjalan dengan baik karena nilai dari delay, jitter dan packet loss termasuk dalam katagori baik.   Kata kunci: VoIP, Shorewall, Komunikasi

QUALITY OF SERVICE ISSUES IN WIRELESS VOICE OVER INTERNET PROTOCOL

2017 ◽  
Vol 7 (10) ◽  
pp. 57
Author(s):  
Oladunni Abosede Daramola
Keyword(s):  
Quality Of Service ◽  
Internet Protocol ◽  
Voice Over Internet Protocol ◽  
Traffic Data ◽  
Voice Traffic ◽  
The Mean ◽  
The Impact ◽  
The Voice ◽  
Model Technique

Voice over Internet Protocol (VoIP) is a significant application of the converged network principle where the voice traffic is routed over Internet Protocol shared traffic networks. VoIP traffic was modelled over wireless network and a simulation of the traffic was transmitted over the network. E-model technique was used to analyze the traffic data and also to rate VoIP QoS parameters.  The result achieved was mapped to the Mean Opinion Scale to determine the Quality of Service of VoIP over wireless networks. The results shows that QoS in the VoIP communications is significantly impacted by these parameters and the impact varies according to the parameters and also the communication aspects selected for the VoIP traffic analysis.Keywords: VoIP, QoS, E-Model and Mean Opinion Scale  

scholarly journals Analisa Metode Handover Pada Jaringan WiMAX

2016 ◽  
Vol 10 (1) ◽  
pp. 59
Author(s):  
Murhaban Murhaban ◽  
Ahmad Ashari
Keyword(s):  
Quality Of Service ◽  
Internet Protocol ◽  
Mobile Station ◽  
Voice Over Internet Protocol ◽  
Soft Handover ◽  
Hard Handover ◽  
The Difference ◽  
The Voice ◽  
Main Factor

Handover method is used to keep the stabilization of connection. Its connected with the performance was caused the process canal traffic transfer automatically in mobile station (MS) that was used to communicate without cutting off the connection. The main factor of success in handover was quality of service to provide the difference level of service in arranging and giving the traffic priority in the network like voice over IP (VoIP) application or communication voice using internet network.             This research will analyse the achievement quality of service in the WiMax network standard 802.16e used hard handover and softhandover method with the VoIP application in mobile station.            Based on the testing that was carried out hard handover and soft handover method used  the application of voice over internet protocol in mobile station has obtained  value jitter 0.001 Ms – 0.31 ms, and delay 10.5 ms 39 ms this is proved that the influence of jitter and delay against handover with the VoIP application still in the tolerance stage that was permitted.  It is different with the output throughput 85 Bit/Sekon  - 550 Bit/Sekon that is too low and indicated that throughput is not sentitif against handover with the voice over  internet protocol application.

IMPLEMENTASI VoIP (VOICE OVER INTERNET PROTOCOL) PADA JARINGAN LAN (LOCAL AREA NETWORK) FAKULTAS ILMU KOMPUTER UNIVERSITAS LANCANG KUNING

2020 ◽  
Author(s):  
refnaldikurniawan
Keyword(s):  
Open Source ◽  
Local Area Network ◽  
Internet Protocol ◽  
Local Area ◽  
Voice Over Internet Protocol ◽  
Area Network ◽  
Face To Face ◽  
Ip Phone

Fakultas Ilmu Komputer Universitas Lancang Kuning memiliki banyak pegawai yang tersebar dibeberapa ruangan yang berjauhan. Para pegawai untuk berkomunikasi sehari-hari biasanya dengan cara bertemu langsung (face to face), menggunakan telepon. Maka diperlukan suatu media komunikasi alternatif bagi pegawai dalam berkomunikasi sehari-hari untuk meningkatkan kinerja suatu instansi atau mengurangi biaya untuk berkomunikasi dan membuat komunikasi lebih praktis. Salah satu cara untuk mengoptimalkan sistem komunikasi tersebut adalah dengan mengimplementasikan Voice Over Internet Protokol (VoIP) IP Phone sebagai media komunikasi, dengan memanfaatkan topologi jaringan komputer Fakultas Ilmu Komputer yang sudah ada sebelumnya. Media komunikasi ini dibangun menggunakan server Briker , aplikasi softphone X-Lite dan aplikasi CsipSimple. Teknologi VoIP (Voice Over Internet Protocol) dimanfaatkan sebagai jalur komunikasi yang tidak berbayar (gratis) dan bersifat open source dapat memberikan solusi alternatif komunikasi yang lebih murah. Teknologi ini mampu melewatkan trafik suara, video dan data yang berbentuk paket melalui jaringan IP.

scholarly journals Effects of the Voice over Internet Protocol on Perturbation Analysis of Normal and Pathological Phonation

2010 ◽  
Vol 62 (6) ◽  
pp. 288-296 ◽  
Author(s):  
Yanmei Zhu ◽  
Rachel E. Witt ◽  
Julia K. MacCallum ◽  
Jack J. Jiang
Keyword(s):  
Perturbation Analysis ◽  
Internet Protocol ◽  
Voice Over Internet Protocol ◽  
The Voice

Encryption VoIP based on Generated Biometric Key for RC4 Algorithm

2021 ◽  
Vol 39 (1B) ◽  
pp. 209-221
Author(s):  
Raya W. Abd Aljabar ◽  
Nidaa F. Hassan
Keyword(s):  
Experimental Work ◽  
Internet Protocol ◽  
New Method ◽  
Voice Over Internet Protocol ◽  
Key Generation ◽  
Generation Technique ◽  
Face Images ◽  
Speech Data ◽  
Voice Data ◽  
The Voice

Voice over Internet Protocol (VoIP) calls are susceptible to interfere at many points by many attackers, thus encryption considered an important part in keeping VoIP. In this paper, Encryption VoIP based on Generated Biometric Key for RC4 Algorithm is proposed to encrypt the voice data before transmitting it over the network. The system uses a stream algorithm based on RC4 encryption with the new method of biometrics based Key generation technique. This system has generated complex keys in offline phase which is formed depend on features extracted using Linear Discernment Analysis (LDA) from face images. The experimental work shows that the proposed system offers secrecy to speech data with voice cipher is unintelligible and the recovered voice has perfect quality with MSR equal to zero and PSNR equal to infinity.

scholarly journals Design and Development of Secure Mobile Communication over GSM Network Using Open Source Operating System (OS)

2019 ◽  
pp. 1-5
Keyword(s):  
Operating System ◽  
Open Source ◽  
Mobile Phones ◽  
Mobile Communication ◽  
Internet Protocol ◽  
Research Work ◽  
Voice Communication ◽  
The World ◽  
Gsm Network ◽  
The Voice

With the rapidly advancing technology of today, exchange of information and data is a very pertinent matter. The world has just recently witnessed the effects of information leakage through the issue of WikiLeaks. There are huge amounts of data being shared over different platforms nowadays. Global System for Mobile Communication (GSM) is one of the most reliable platforms known to and used by almost all people in the world for text as well as voice communication. With the tools like Android Studio and NetBeans available, it is now possible to encrypt the text that has to be sent over the GSM, so that it can be decrypted at the other end of the communication path. However, the encryption and decryption of voice being transmitted over the GSM network still remains a question. In the domain of real time voice encryption, much of the work being carried out pertains to the voice being exchanged through the Internet Protocol. As compared to the Voice over Internet Protocol (VoIP), voice over the GSM network has not seen much research work related to its security aspects. The purpose of this paper is to document the results of a project aimed at developing a platform for mobile phones in order to communicate over the GSM network in a secure manner. The most suitable method for achieving the above mentioned objective is to use an open source Operating System (OS), so that the source code is easily accessible and usable. In this paper, the Android OS will be under discussion, which is compatible with all the Android mobile phones. In this way, the maximum number of mobile phone users can be benefitted because Android cell phones are being widely used nowadays. The use of cryptographic algorithms for securing the voice communication over the GSM network is also a part of this paper. The work revolves around the Java programming language since the Android application development has been carried out in Java through the use of Android Studio. Also, NetBeans has been employed for developing algorithms for voice encryption

Sign in / Sign up

Export Citation Format

Share Document