Multiplex communications – Special services – Conferencing
Reexamination Certificate
2011-03-15
2011-03-15
Jagannathan, Melanie (Department: 2468)
Multiplex communications
Special services
Conferencing
C370S356000, C370S400000
Reexamination Certificate
active
07907550
ABSTRACT:
The present invention relates to a method and system for providing conference call services in a VoIP local network. A VoIP communication station may be conferenced into a VoIP call between at least two other communication stations. In one embodiment, a Voice Conference Server device (VCS) receives a “join-call’ signal or indication from a VoIP phone wishing to conference into a VoIP connection. The VoIP connection may be between at least one VoIP phone in a local network and a communication station such as a PSTN phone in a public network. The VCS sets up an RTP voice path and conferences in the VoIP communication station providing the “join-call” signal or indication.
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Chu Yue-Chuan
Hua Ningming
AT&T Intellectual Property II L.P.
Jagannathan Melanie
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