Telephone set, repeating device and recording medium

Telephonic communications – Special services – Service trigger

Reexamination Certificate

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Details

C379S207020, C379S201100, C379S212010

Reexamination Certificate

active

06917676

ABSTRACT:
A telephone12aconnected to a local area network10, comprising a means for requesting during communication a response from another receiver-side telephone12bindicating its availability to receive a call, and a means for notifying the address of the receiver-side telephone12bthat responded to the caller-side telephone22a.

REFERENCES:
patent: 5757901 (1998-05-01), Hiroshige
patent: 7170288 (1995-07-01), None
patent: 998227 (1997-04-01), None
patent: 9214484 (1997-08-01), None
patent: 1051453 (1998-02-01), None
patent: 10173707 (1998-06-01), None
patent: 10327195 (1998-12-01), None
patent: 2000165516 (2000-06-01), None
patent: 2001053755 (2001-02-01), None
R. Sparks, “SIP Call Control Transfer”, Internet Engineering Task Force, Internet Draft, Jul. 2000, pp. 1-17.

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