Communication system parkhold conferencing

Details Communication system parkhold conferencing Communication system parkhold conferencing

1981-05-18

1984-01-03

Brown, Thomas W.

H04M 356

Patent

active

044244185

ABSTRACT:
A communication system is arranged having a special hold mode (called parkhold) where a station may place any conference connection associated with that station in the parkhold mode. Any station in the system may, by transmitting a certain signal, become connected to any parked conference without regard to whether that staton has an appearance of the parked line. Selectivity is provided in that each conference is parked on a separate link and the recall signal identifies the link of any particular parked conference. This arrangement can be used for call transfer, meet-me-conferencing as well as for allowing mobility between stations in retrieving a call from the parkhold mode.

REFERENCES:
patent: 3627955 (1971-12-01), Stone, Jr.
patent: 3676603 (1972-07-01), Budrys et al.
patent: 4022983 (1977-05-01), Braun et al.
patent: 4232198 (1980-11-01), Warman
patent: 4317960 (1982-03-01), Johnson et al.

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