Method and apparatus for providing extension management in...

Telephonic communications – Polystation line system – Call alerting

Reexamination Certificate

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Details

C370S352000, C379S201010, C379S164000

Reexamination Certificate

active

07620164

ABSTRACT:
A method and apparatus for allowing all the extensions connected to an enhanced Terminal Adaptor (TA) associated with a single phone number to place and receive phone calls independently are disclosed. For example, in the case of a call waiting scenario, if an extension is already engaged in an ongoing phone call, then the enhanced TA provides call waiting handling to the engaged extension similar to traditional call waiting when a subsequent incoming call is received. However, the enhanced TA also rings the remaining extensions that are not currently engaged in phone calls when the subsequent incoming call is received.

REFERENCES:
patent: 6477248 (2002-11-01), Bruhnke et al.
patent: 6628768 (2003-09-01), Ramaswamy et al.
patent: 6697358 (2004-02-01), Bernstein
patent: 7003091 (2006-02-01), Burns et al.
patent: 7023867 (2006-04-01), Park et al.
patent: 7221672 (2007-05-01), Ollis et al.
patent: 2006/0072546 (2006-04-01), Chen
patent: 2006/0221943 (2006-10-01), Aborn et al.

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