Proposal of VoIP infrastructure and services for academia - case study

This paper deals with Voice over Internet Protocol (VoIP) in the environment of University of Žilina. There was VoIP solution based on SIP proxy Kamailio in addition with FreeSWITCH and RTPProxy. This solution was qite hard to maintain and administer. After longer discussion we choose Asterisk PBX as replacement for all three softwares. We will show current state and our path to new solution.