Analysis of VoIP traffic over WiMAX

Voice over Internet Protocol (VoIP) is a rapidly emerging technology for voice communication that uses the ubiquity of IP-based networks to deploy VoIP-enabled devices in enterprise and home environments. VoIP-enabled devices-such as desktop and mobile IP phones and VoIP gateways decrease the cost of voice and data communication, enhance existing features, and add compelling new communication features and data services. VoIP applications (Skype, Google Talk, and MSN Messenger) are being widely used in today's networks challenging their capabilities to provide a good quality of experience level to the users. In particular, new wireless broadband technologies, such as WiMAX. In this paper the authors have discussed about the issues and challenges when voice goes over wireless