Collaborative conferencing circuit

Details Collaborative conferencing circuit Collaborative conferencing circuit

1997-12-01

2000-05-30

Chiang, Jack

Telephonic communications

Special services

Conferencing

379420, 379205, 370260, H04M 342

Patent

active

060699434

ABSTRACT:
A circuit and method is described enabling a telephone having two or more lines to have the capability of initiating two simultaneous calls, where there is two-way communication on one of the calls (the collaborating call"), and active monitoring of the second call (the "teleconference"). A router is used so that the outbound audio signal of the user can easily be switched between the teleconference and the collaborating call. At all times, the transmit path of one of the calls is muted to ensure privacy of the other call.

REFERENCES:
patent: 4882745 (1989-11-01), Silver
patent: 5034947 (1991-07-01), Epps
patent: 5109410 (1992-04-01), Suhami et al.

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