Patent
1983-04-29
1985-09-10
Brown, Thomas W.
179 18BC, H04M 356, H04M 1100
Patent
active
045408505
ABSTRACT:
A communication network including a conference arrangement is disclosed. When a conferee disconnects from a conference, a tone is coupled to the bridge to inform the remaining conferees. The identity of the disconnected conference station is then transmitted to the controller who can cause the connection to be reestablished automatically.
REFERENCES:
patent: 3809824 (1974-05-01), Dahlquist et al.
patent: 3912874 (1975-10-01), Botterell et al.
patent: 4061880 (1977-12-01), Collins et al.
patent: 4281410 (1981-07-01), Agricola et al.
patent: 4317960 (1982-03-01), Johnson et al.
patent: 4475189 (1984-10-01), Herr et al.
"Voice Teleconferencing-Techniques, Solutions", Charles A. Pleasance, Telephony, Aug. 2, 1982, pp. 28-30.
Herr Diane E.
Suk Laddie E.
Winchell David F.
AT&T Bell Laboratories
Brown Thomas W.
Godlewski Richard J.
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