Ringback replacement insertion system

Details Ringback replacement insertion system Ringback replacement insertion system

2011-04-05

2011-04-05

Deane, William J (Department: 2614)

Telephonic communications

Special services

Call waiting

C379S088250, C455S432100

Reexamination Certificate

active

07920689

ABSTRACT:
A ringback replacement insertion system for replacing certain communications network signals and tones is disclosed. Communications devices activate and interact with the ringback replacement system to allow for modification of the network service.

REFERENCES:
patent: 6603844 (2003-08-01), Chavez et al.
patent: 6792271 (2004-09-01), Sherman et al.
patent: 7072644 (2006-07-01), Ahn et al.
patent: 7356132 (2008-04-01), Silver et al.
patent: 7489768 (2009-02-01), Strietzel
patent: 2006/0023862 (2006-02-01), Sutcliffe

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