Message charge control telephone answering device

Details Message charge control telephone answering device Message charge control telephone answering device

1973-12-27

1976-04-13

Canney, Vincent P.

179 7R, G11B 2304, H04M 164

Patent

active

039506193

ABSTRACT:
A call answering arrangement for enabling a calling subscriber to control the charging of a telephone call directed to a called telephone line equipped with an automatic telephone answering device. Incoming call signals appearing on the telephone line enable the call answering arrangement to direct the telephone answering device to transmit a prerecorded message to the calling subscriber and to record a message received from the calling subscriber. An incoming call is answered by momentarily applying answer supervision to the telephone line in response to the incoming call signals. The calling subscriber subsequently controls the interval of the answered telephone call during which the answering arrangement reapplies answer supervision to the telephone line for the purpose of charging the calling subscriber only for the calling subscriber use of the telephone service.

REFERENCES:
patent: 2321944 (1943-06-01), Sanders
patent: 2328562 (1943-09-01), Lesavoy
patent: 2693127 (1954-11-01), Ortman
patent: 3394229 (1968-07-01), Miller et al.

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