Call return telephone service

Details Call return telephone service Call return telephone service

1988-08-31

1990-05-29

Dwyer, James L.

Telephonic communications

Special services

Call diversion

379 89, 379 67, H04M 350

Patent

active

049301527

ABSTRACT:
A process for controlling a telephone switching system provides a telephone customer access from any dual-tone multi-frequency (DTMF) telephone set to a memory-stored list of calls which the customer had previously been unable to answer at the customer's registered telephone station. A party receiving no answer when placing a call to the customer's station, whether due to a busy line or absence of the customer, is advised by a recorded message to enter, via the DTMF keyboard, the caller's phone number. The number received in the response is then entered on the customer's callback list, which may later be accessed by the customer from the customer's station, or from any DTMF set. Upon entering proper identification, the customer is advised of the number, and other identity, of any of the calling parties on the callback list. The customer may signal for the automatic placement of a return call to, or may delete or hold, any of such listed numbers. The sytem also provides customer access from the remote set to other customer-subscribed telephone services.

REFERENCES:
patent: 4304968 (1981-12-01), Klausner et al.
patent: 4313035 (1982-01-01), Jordan et al.
patent: 4327251 (1982-04-01), Fomenko et al.
patent: 4476349 (1984-10-01), Cottrell et al.
patent: 4766604 (1988-08-01), Axberg
patent: 4792967 (1988-12-01), Ladd et al.

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