What is Service Provider (SP)

Quality of business (QoBiz) is an important aspect of providing quality of telecommunication services that is being increasingly used in the pursuit of better business. It covers financial aspects of service provisioning, which is firmly related to service provider (SP) revenue and profit. In next generation network (NGN) relation between pure technical aspects, i.e. quality of service (QoS) and QoBiz tend to be dynamic with pricing as an important tool for adjusting users' demand to network congestion, thus allowing a SP to maximize his revenue. This chapter aims to investigate and provide new possibilities for SPs to enhance their revenues using responsive pricing scheme for charging end users in NGN. Interaction of a SP and user is defined as a Stackelberg leader-follower game with provider acting as the leader and users acting as followers.