book" if more than one host computer was being used. In comparison, the more modern terminal adapters generally included a command line interface that allowed the user to select a host from a directory that appeared on their terminal. Introductions of Ethernet concentrators and ISDN-based versions of earlier host adapters did little to fix the problem, never becoming very popular in comparison to the standardized solutions from other vendors. Gandalf Technologies filed for bankruptcy in 1997. Mitel purchased all of the product business of Gandalf, including intellectual properties, the goodwill of the business including the exclusive right to use the name worldwide for $14.9 million. Mitel used the data technology and personnel to help move its PBX division into the VoIP market. Mitel tried to keep some Gandalf data products in the market for a short time, but poor sales led to them being abandoned. References Defunct companies of Ontario Companies based in Ottawa Defunct networking companies Telecommunications equipment vendors Companies that have filed for bankruptcy in Canada Technology companies disestablished in 1997 Defunct technology companies of Canada Defunct telecommunications companies of Canada Canadian companies established in 1971 Canadian companies disestablished in 1997 1971 establishments in Ontario Defunct computer companies of Canada