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The world of telecommunications is undergoing a rapid change in designing and developing applications. Telecom operators are becoming increasingly forced to diversify the portfolio of available services to ensure customer loyalty. Indeed the operator’s business has far exceeded the supply of traditional telephony to open up to the most demanding services. For this purpose IP Multimedia Subsystem (IMS) has been a major work effort of the 3GPP (3rd Generation Partnership Project) standards bodies for several years now. However, the acquisition of services by operators slows down the development of services offered because of the integration difficulties, and the negotiation issues. In this paper we propose a new negotiation approach. The idea is to set up a Service Broker able to look for the best offer of the service and execute the Service Level Agreement (SLA) between Service Provider, network operator, and customer. To ensure a transparent communication at all levels, the NGOSS (New Generation Operations Systems and Software) Framework is used in a consistent manner.

Towards a Service Broker for Telecom Service Provision and Negociation in IMS Network