International Journal of Man-Machine Studies
Mediated voice communication via mobile IP
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Mobile phones with applications on Internet Protocol (IP) can be seen almost in anyplace and anytime at present. This enables development of new types of applications for various user segments, using smart phones as user devices. Different people around the world have different needs to suit their personal and cultural tastes. A better understanding of quality of service (QoS) will help enhance adoption and use of IP technology. Although there are many recent research related to adoption of new information technology application, there were only a few study related to user perception of QoS. This study proposed factors that can be used as dimensions for assessment of perception of QoS (QOS) of IP application by users with different human centric factors. The proposed perceived QOS includes 3 dimensions; culture, ageing, and language. Cultural dimensions in this research include Power Distance, Individualism, Masculinity, and Uncertainty Avoidance. Ageing dimensions cover expectancy of knowledge, experience, and physical degradation. Two more dimensions related to ability to notice and coping with unexpected events are also used as assessment dimensions. Language dimensions are language visibility and speech intelligibility. With the proposed perceived QOS, application developers can identify features and quality required by users with different culture, ageing and language. Besides, the proposed dimensions can also be used for predicting user adoption of new IP application among different groups of users.