busy override
1busy override — See executive override …
2station busy override — Telephone with the ability to override a busy signal and break into a conversation …
3attendant busy override — See executive override …
4busy verification — The ability to check the busy/idle status of lines or trunks by using the busy lamp field. See also attendant busy override and/or executive override …
5busy intrude — See executive override …
6executive override — A PBX feature that allows authorized station users to join an existing conversation. Also called attendant busy override, busy override and intrude …
7attendant override — A warning tone initiated from an attendant console that enables the attendant to join an ongoing conversation in a busy trunk …
8Private branch exchange — A private branch exchange (PBX) is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public. PBXs are also referred to as …
9Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private …
10Nortel — Networks Corporation Type Public OTC Markets Group: NRTLQ Industry Telecommunications …
