Telephonic communications – Special services – Conferencing
Reexamination Certificate
2011-08-02
2011-08-02
Addy, Thjuan K (Department: 2614)
Telephonic communications
Special services
Conferencing
C455S416000, C370S352000
Reexamination Certificate
active
07991136
ABSTRACT:
A method of providing Voice-Over Internet Protocol (VoIP) communications can be provided by allowing a VoIP phone line included in a calling group of a plurality of VoIP phone lines to connect to an in-progress call between VoIP phone lines included in the calling group.
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Denny Michael S.
Hill Sammie Walter
Addy Thjuan K
AT&T Intellectual Property I L.P.
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