Voice message equipment for an automatic exchange

Details Voice message equipment for an automatic exchange Voice message equipment for an automatic exchange

1990-06-20

1992-08-25

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

379 88, 379 89, H04Q 1104, H04M 164

Patent

active

051425270

ABSTRACT:
The equipment includes a recorder (17) provided with at least one memory disk unit (32) for recording messages and for deferred retransmission thereof. The equipment includes circuitry (18, 22) for putting a plurality of telephone sets into communication simultaneously with a single disk controller (33) of the recorder for transmitting messages simultaneously both from the telephone sets and from the disk unit. The invention is particularly suitable for private branch exchanges.

REFERENCES:
patent: 4612416 (1986-09-01), Emerson et al.
patent: 4640991 (1987-02-01), Matthews et al.
patent: 4785473 (1988-11-01), Pfeiffer et al.
patent: 4791660 (1988-12-01), Oye et al.
patent: 4817086 (1989-03-01), Oye et al.
patent: 4837804 (1989-06-01), Akita
patent: 4853952 (1989-08-01), Jachmann et al.
Review of the Electrical Communication Laboratories, vol. 32, No. 6, Nov. 1984, pp. 1010-1018; I. Nishikado et al.: "Voice Storage System".
Review of the Electrical Communication Laboratories, vol. 32, No. 6, Nov. 1984, pp. 1003-1009; M. Ohyama et al.: "Voice Storage Equipment".
N.E.C. Research and Development, No. 84, Jan. 1987, pp. 39-46; M. Nishio et al.: "Distributed Processing Architecture for APEX/NEAX2400 VMM (Voice Mail Module)".

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