Telephonic communications – Special services
Reexamination Certificate
2011-03-15
2011-03-15
Tsang, Fan (Department: 2614)
Telephonic communications
Special services
C379S142040, C379S142180, C379S211020
Reexamination Certificate
active
07907712
ABSTRACT:
Personal mobility, multiparty control, and device augmentation features are provided within a voice-over-Internet protocol environment, such as a distributed feature composition (DFC) telecommunications architecture. The personal mobility features allow a caller to be identified to a callee using a desired identifier in place of an identifier of the device from which a call is made. Such personal mobility features are made available in multiparty calling environments and after mid-call moves. Device augmentation features provide enhanced calling options to a device that may otherwise be unequipped to provide such options, thus enabling personal mobility and multiparty control features across a wide variety of telecommunications devices.
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Goguen Healfdene
Smith Thomas M.
Zave Pamela
AT&T Intellectual Property II L.P.
Islam Mohammad
Tsang Fan
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