Internal connections (BRI/PRI) „ÄČ SwyxWare as the main telecommunication system
 
SwyxWare as the main telecommunication system
In this case, an existing telecommunication system is operated as a sub-telecommunication system on SwyxWare, for example. SwyxWare manages the access to the public telephone network as well as to other networks. The sub-PBX is connected via ISDN to SwyxWare. This requires that the ISDN cards are operated in NT mode.