Telephonic communications – Reception of calling information at substation in wireline... – Blocking caller id transmission
Patent
1994-10-27
1996-10-15
Chin, Wellington
Telephonic communications
Reception of calling information at substation in wireline...
Blocking caller id transmission
379127, 379102, 379105, 348 10, 348 14, 455 41, 455 42, H04M 1100, H04M 1500, H04M 1506, H04H 100
Patent
active
055662323
ABSTRACT:
An apparatus records and accesses information received over a phone network. The apparatus is part of a system that has a premises phone connected to the phone network via a first communication channel. The apparatus includes a premises recording unit which records information, phone messages and prompts received from the network along the first communication channel. The premises recording unit interfaces with the video display for displaying stored information, telephone messages and prompts. The premises recording unit is responsive to control signals received from a premises phone along a second communication control channel extending between the premises phone and premises recording unit. A switch in the system allows the premises phone to communicate with the network along the first communication channel and also controls the premises recording unit through signal generation by the premises phone through the second communication control channel to the premises recording unit. The first communication channel can comprise a twisted pair of wire and a carrier signal extending along the twisted wire pair at a first frequency range. The second communication channel can comprise a subcarrier signal extending along the twisted wire pair at a second frequency range.
REFERENCES:
patent: 4882747 (1989-11-01), Williams
patent: 5054055 (1991-10-01), Hanle
patent: 5127045 (1992-06-01), Cragun
patent: 5191410 (1993-03-01), McCalley
patent: 5278889 (1994-01-01), Papanicolaou
patent: 5349638 (1994-09-01), Pitroda
patent: 5404393 (1995-04-01), Remillard
Chin Wellington
Lucent Technologies - Inc.
Shankar Vijay
LandOfFree
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