Call-waiting and caller identification with three-way conversati

Telephonic communications – Reception of calling information at substation in wireline... – Blocking caller id transmission

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Details

379215, 379202, 379205, H04M 157

Patent

active

056195613

ABSTRACT:
An enhanced telephony call-waiting with caller identification and three-way conversations feature is provided wherein identifying information related to a third party wishing to converse with a first party already engaged in a conversation with a second party is provided to the first party and then, in response to the first party entering a predetermined digit on its apparatus based on the third party identity, the third party is connected to the first and second parties for three-way conversations between the first, second and third parties.

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patent: 4232199 (1980-11-01), Boatwright et al.
patent: 4445211 (1984-04-01), Weber
patent: 4445212 (1984-04-01), Weber
patent: 4446553 (1984-05-01), Weber
patent: 4446554 (1984-05-01), Weber
patent: 5263084 (1993-11-01), Chapuk et al.
patent: 5404396 (1995-04-01), Brennan

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