Functional and service architecture of next generation network: BH telecom case study

Nowadays, the competitive market in telecommunications field which is characterized by the alterations in technology, as well as business, together with convergence and regulatory pressures is challenging for telecom operators. In order to achieve, maintain, and improve their market position, telecom operators need to redefine their business and capabilities beyond traditional services, and to address associated issues with the purpose of achieving new revenues and differentiation as well. As a starting point, they need to rationalize the use of entities present in its telecommunication system. Therefore, this survey paper provides an overview of these entities according to the functional requirements and architecture of the next generation networks, as well as service offer classification based on relevant international standards on the example of BH Telecom, Joint Stock Company, Sarajevo.