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Research Paper | Information Technology | India | Volume 4 Issue 1, January 2015

Implementation of Mobile To Mobile Calling through Wi-Fi

Vishal S. Kasat | Rakesh Pandit ^[2]

Abstract: In the past, the goal of telecom engineers was to provide better services at whatever costs. The costs were then being levied on the customer. To this end, only the rich could afford these services. Over the years, there have been changes to this situation. The industry is driving to the positive direction where better services are being provided at very low charges to the customer. In addition, telecom companies have in recent years experienced a significant increase in number, which has led to a high level of competition amongst them. At the same time, the number of customers has also grown tremendously. Thus, there is the need for better management of resources such as optimization of the quality of the services they provide to these and other carrier customers. Trade-offs need to be made between costs, quality and priorities. Wi-Fi technology is a form of telecommunication that allows data and voice transmissions to be sent across a wide range of interconnected networks. The success in deploying services and applications based on this concept needs the development of applications that allows intermediate users the reception and forwarding of information to destination users. The user may take the maximum benefit from the technology acquired inside the mobile phone for instance, since it is possible extend the radio coverage by several hops, and enjoy similar mobiles operator services free of charge. In this work we are going to present the development of an integrated Java application to send Voice among user mobile phones through its WIFI interface. A software application is developed using Android which allows free and secured communication between selected phones in the Wi-Fi network. The first step of this research and development is to resolve the technical issue regarding mapping of the mobile users phone number to a unique IP address in order to avoid IP collision, centralized control, and user configuration. In addition, voice call will be supported using WIFI to allow mobile phones to communicate free of cost to each other through p2p or through AP.

Keywords: IP, VOIP, SIP, P2P, WIFI, AP, WLAN, GSM

Edition: Volume 4 Issue 1, January 2015,

Pages: 796 - 799

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