The project in five facts.
Challenge, approach and results.
Telecommunications have been developing ever faster since the mid-1980s. In the final and simultaneously research part of the diploma thesis, a comparison was carried out between two anonymous companies, labelled A and B, to determine what changes would occur if their current software were replaced with the free call centre software Asterisk.
Solution and Method
Telecommunications have been developing ever faster since the mid-1980s. In connection with computing and information technologies, telecommunication technologies have also developed strongly. The increasing role of this telecommunication activity has caused changes in the structures on which the provision of telecommunication networks and services was based.
Gradually, the understanding began to prevail that there should be several providers or operators of telecommunication services and network providers in one country. Consequently, this brought about a reduction in the costs of using telecommunication services and better quality, as well as a greater choice of services for the provider. Telecommunications, with all their services, have thus become very accessible to companies and an important part of their operations.
The second chapter of the diploma thesis addresses the call centre and its purpose in companies, as more and more organisations use them today. The operation and organisation of such a department are also described. The next chapter covers the Asterisk software, which is defined at the beginning, then shown in its mode of operation, and later specified with the basic conditions for its operation.
The fourth chapter covers the Centrex call centre software; again, the basic conditions for operation are presented, and the structure of IP Centrex is also shown. The services of IP Centrex relating to telephony are further divided in detail.
Results
In the final and simultaneously research part of the diploma thesis, a comparison was carried out between two anonymous companies, labelled A and B, to determine what changes would occur if their current software were replaced with the free call centre software Asterisk.

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