Communication system conferencing arrangement

Details Communication system conferencing arrangement Communication system conferencing arrangement

1982-08-30

1984-03-06

Schreyer, Stafford D.

179 18BC, H04M 100

Patent

active

RE0315346

ABSTRACT:
A communication conferencing arrangement is disclosed which relies upon the use of a plus/minus (+/-) nonlocking button followed by the operation of a button associated with any other line appearing at the station. If the operated line button is associated with a currently active line that line will be removed from the conference. If, however, the operated button is associated with a nonactive line (held or idle) then that line will be added, in conference fashion, with the communication leads of the enabling station. Provision is made to allow any number of added connections up to a preset maximum number at any station.

REFERENCES:
patent: 3665112 (1972-05-01), Blake et al.
patent: 3909552 (1975-09-01), Kerman et al.
patent: 3991279 (1976-11-01), Morgan et al.
patent: 4046972 (1977-09-01), Huizinga et al.
Procedure for a Telephone Switching Plant with Subscriber Stations Designed as Switching Positions: H. G. Gaas, A. Reger; Translation of German Provisional Patent 23 11 792, 3-9-73, opened to Public 9-26-74, 42 pages.

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