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.

See SwyxWare as the main telecommunication system.

In this case an existing telecommunication system is operated as master telecommunication system, for example. SwyxWare is connected to this as a sub-PBX. A prerequisite for this is the subsystem capability of the existing telecommunication system. The access to the public network is managed by the existing telecommunication system

See Connection of SwyxWare as Sub-telecommunication System on a Main Telecommunication System.

In this case SwyxWare is operated in addition to an existing telecommunications system. Both systems have access to the public telephone network and/or other networks.

See SwyxWare alongside another system with additional access to the public network.