Generating a distinctive ring tone for a calling party subscribe

Details Generating a distinctive ring tone for a calling party subscribe Generating a distinctive ring tone for a calling party subscribe

1997-04-29

1999-07-20

Hong, Harry S.

Telephonic communications

Centralized switching system

With generating of call associated substation signal

379229, 379142, H04M 156, H04M 1506, H04M 700

Patent

active

059265370

ABSTRACT:
In response to an incoming call connection request, a terminal type associated with a called party subscriber terminal is communicated back from a terminating exchange to an originating exchange. The originating exchange then instructs the terminating exchange to provide a particular ring tone (distinctive ring) associated with the determined terminal type over an established call connection. The terminating telecommunications then generates the instructed ring tone over the call connection and waits a predefined period of time before alerting the called party subscriber terminal. Upon hearing the distinctive ring tone, the calling party subscriber is able to ascertain the dialed terminal type (business, residential, cellular, wireline) and has an option to terminate the established call connection before the called party subscriber is alerted.

REFERENCES:
patent: 4567323 (1986-01-01), Lottes et al.
patent: 5040209 (1991-08-01), Greenberg et al.
patent: 5185782 (1993-02-01), Srinivasan
patent: 5233648 (1993-08-01), Nakamura
patent: 5491746 (1996-02-01), Pinard
patent: 5608788 (1997-03-01), Demlow et al.
patent: 5754636 (1998-05-01), Bayless et al.
patent: 5822404 (1998-10-01), Cave
PCT Search Report, Aug. 19, 1998, PCT/US 98/08555.

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