Economic and technical aspects of the use of IP telephony in the segment of small and medium-sized businesses

This work is focused on the introduction of VoIP technology in the environment of small and medium-sized company from techno-economic perspective. The work introduces the VoIP technology in terms of functionality, but also with economic aspects of IP telephony. The aim is to determine whether the transition to VoIP technology may reduce corporate telecommunication costs while contributing to the development of corporate communications. Readers are shown the advantages, but also what the limitations and difficulties are associated with the transition to VoIP technology. The beginning is devoted to basic characterization of classical phone technology, which is good to know when deciding if one should migrate to VoIP. The work also describes the development of the telecommunications market in the Czech Republic in the context of the payment of charges for telecommunications. The practical part analyzes the specific deployment of a VoIP solution to one of Czech companies