The quality aspects of VoIP traffic over WiMAX

With the introduction of different wireless communication technologies, the demand of users for real time services like voice along with data called VoIP is increasing tremendously. In order to provide high quality services, the new technologies like WiMAX have to consider all the quality parameters attached with a service. Thus, the paper discusses the WiMAX support to such services along with all the possible features of VoIP, its quality parameters like delay, jitter, throughput, etc. and emphasis on what work has been done in this perspective so as to improve the quality of the VoIP traffic by highlighting the various aspects, methodology and limitations of previous work in this field. It has been shown that there still remain some issues and considerations, which could be taken into account so as to have high quality VoIP traffics.