2002 - cesnet

Figure 8.1: Number of phone calls in IP telephony networkdiscrepancies, we are able to prove present evidence of the amounts charged.CESNET charges no monthly tariff payment or any extra charge on the pricescontracted with the public telecommunications operator, it merely re-invoicesthe cost of calls.It is necessary to make sure that the connected entity, which makes use of thePSTN calls, has its private branch exchange modified so that it is able to distinguishbetween charges per individual branches. CESNET will provide the samesummary as e.g., Český Telecom.It is impossible to make calls to mobile networks and/or the special services at90x.8.2 Connection of New Organisationsin 2002In 2002, we established connection at the following locations:• VUT Brno, connected through ISDN/PRI in March 2002• UP Olomouc, connected through ISDN/PRI in October 2002• University of Pardubice, Česká Třebová, connected through ISDN/BRI inNovember 2002High-speed National Research Network and its New Applications 2002109