Multiline telephone answering system and interface therefore

Details Multiline telephone answering system and interface therefore Multiline telephone answering system and interface therefore

1989-08-02

1992-05-19

Levy, Stuart S.

Telephonic communications

Audio message storage, retrieval, or synthesis

Dynamic audio signal recording or reproduction

379 67, 379 70, 379 84, H04M 165, H04M 164

Patent

active

051154641

ABSTRACT:
A multiline telephone answering system includes a playback deck for supplying a prerecorded message and a plurality of interface units for interconnecting a plurality of telephone lines and the playback deck. Each interface unit is associated with a particular telephone line and supplies a start signal to the playback deck when its associated line is ringing. Each interface unit is responsive to the state of the playback deck for connecting its line to the playback deck only at the start of the prerecorded message and inhibits the connection between the playdeck and its telephone line unless that telephone line is ringing at the start of the prerecorded message. All telephone lines which are ringing at the start of the prerecorded message are connected to the playback deck to hear the prerecorded message from the start and all the telephone lines which are not ringing at the start of the prerecorded message remain unconnected to the playback deck throughout the playing of the message irrespective of whether they subsequently begin ringing.

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patent: 4357493 (1982-11-01), Anderson et al.
patent: 4582957 (1986-04-01), Hayes et al.
patent: 4785473 (1988-11-01), Pfeiffer et al.

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