Communication handoff between telephone devices

Details Communication handoff between telephone devices Communication handoff between telephone devices

2011-06-07

2011-06-07

Anwah, Olisa (Department: 2614)

Telephonic communications

Special services

Call diversion

C379S158000, C455S416000, C455S417000

Reexamination Certificate

active

07957518

ABSTRACT:
A method of moving telephone communication from a first device engaged in a call, to a second device. The method includes initiating a determination of status of the first device from the second device, joining the second device to the call to form a conference in response to an active call status indication, and removing the first device from the conference, leaving the second device engaged in the call.

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“Hicom 300 Telephone Concepts”, Siemens Data Sheet, 1992, pp. 12-31.

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