Incoming call identification arrangement

Details Incoming call identification arrangement Incoming call identification arrangement

1980-06-30

1981-10-20

Brigance, Gerald L.

179 84L, 179 18BE, 179 18AD, H04Q 520

Patent

active

042962820

ABSTRACT:
One example of problems encountered in electronic telephone systems occurs when calling party identification (CPI) is used with call coverage. With CPI a lamp field is used to provide a called station (S2) with the identity of the calling station (S1). With call coverage an incoming call of a called station is rerouted to a coverage button (210B) of some other station (S3). The coverage station is informed as to the identity of the original called station, as opposed to the identity of the calling party, by an arrangement which modifies the lamp field (214) indication on calls directed to the call coverage button (210B). Thus, when the call coverage button (210B) is in the active ringing state the lamp (215) on the display field associated with the original called station (S2) flashes. However, when calls are incoming directly to the station (S3) the lamp field (214) is used to provide a visual indication of the calling station (S1). The system is arranged to display ICI information automatically before the call is answered, and upon demand after the call is answered.

REFERENCES:
patent: 3723654 (1973-03-01), Bunce et al.
patent: 3928732 (1975-12-01), Simon et al.
patent: 3931479 (1976-01-01), Warman et al.
patent: 3991282 (1976-11-01), Feil
patent: 4028498 (1977-06-01), Mehaffey et al.
patent: 4046972 (1977-09-01), Huizinga et al.
patent: 4071699 (1978-01-01), Sovic et al.
patent: 4150257 (1979-04-01), Fentons et al.

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