Communication system conferencing arrangement

Details Communication system conferencing arrangement Communication system conferencing arrangement

1977-10-31

1979-04-17

Cooper, William C.

H04M 356

Patent

active

041502590

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: 3991279 (1976-11-01), Morgan et al.
patent: 4046972 (1977-09-01), Huizinga et al.

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