Since isdn4linux does not implement the level 3 protocol used by the exchange, you can only use this mode like a leased line. However, some special software named Acer P10 PCI has been written for this. You can also check the web site http: Another alternative for emulation of a PBX is Asterisk, to be found on: Also, it is possible to give up one B-channel in exchange for Acer P10 PCI the complete D-channel protocol, which is great for[…]
