METHOD OF TRANSMISSION OF D-CHANNEL PACKET DATA IN AN ISDN PBX

摘要

This ISDN PBX comprises subscriber interface circuits for connecting subscriber stations to a B-channel switching network in which the D-channel packet switching information items in the subscriber interface circuit are separated from the D-channel signalling information items and the D-channel packet data are transported via at least one predetermined transmission channel of the B-channel switching network with multiple access capability in the manner of an LAN.