Voice over IP via Bluetooth/Wi-Fi Peer to Peer

The concept of voice transferring from one mobile to another mobile using Bluetooth/ WIFI connectivity is discussed in this paper. Bluetooth is the connection which can be used as a link to share data among devices within a Personal Area Network. Now-a-days mobile phones come with Bluetooth facilities. Wi-Fi is a WLAN standard which is used to share data over the transmission range larger than Bluetooth. Wi-Fi can also be used to share the voice from one mobile to another by receiving the data from one mobile (user) and sending the data to the destination user. The basic concept behind this data transferring is VOIP (voice over protocol).Voice telephony over mobile is currently supported at a cost using service provider such as GSM, or using IP service provider at cheaper cost. The purpose of this research is to design and implement a telephony program that uses WIFI in p2p (Peer-to-Peer) or WLAN (Wireless Local Area Network) as a means of communication between mobile phones at no cost. The system will allow users to search for other individuals within WIFI range and to establish free p2p voice connections, or to establish virtual connection through Access Points (AP), as well as giving the option to user to use GSM in the case of no WIFI connectivity is available. A novel algorithm is introduced to convert mobile number into IP address and use it as a mean for contacting other mobile over p2p or AP using WIFI technology.