Abstract: An outdoor stackable telecommunications equipment cabinet family and a method of deploying an outdoor telecommunications equipment cabinet. In one embodiment, the family includes: (1) a plurality of selectable cabinet modules and (2) a plurality of selectable plinth modules, at least one of the plurality of selectable cabinet modules and one of the plurality of selectable plinth modules configured to be selected and stacked to form an outdoor telecommunications equipment cabinet that includes an air filter and at least one fan.

Abstract: An audio conference system is provided that allows at least one non-standard telephone to be connected to an audio conference environment. The audio conference system includes a telecommunication device and an interface between the telecommunication device and the audio conference room. The interface includes a side tone canceller. The side tone canceller cancels side tones allowing the plain audio signal from the non-standard telephone handset to be routed to the speakers of audio conference system. Moreover, the interface allows telephone conferencing a number of non-standard telephones.