Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2005-05-03
2005-05-03
Ton, Dang (Department: 2666)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C455S432300
Reexamination Certificate
active
06888808
ABSTRACT:
A method is provided that includes receiving a request from a communication device to establish a communication session with a mobile station, the mobile station being operable to roam between a private and a public network. The mobile station is signaled via a cellular data network that a call is being initiated for the mobile station. Signaling information may be exchanged with a voice gateway such that one or more voice circuits are established. A signaling pathway may be established between an Internet protocol private branch exchange (IP PBX) and the mobile station via the cellular data network. The establishment of the signaling pathway is substantially concurrent with the establishment of one or more of the voice circuits. One or more features associated with a private network are delivered to the mobile station during the communication session as an end user moves between the public and private networks.
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Jagadeesan Ramanathan T.
Nguyen Bich T.
Pearce Christopher E.
Toor Kamaldip
Valluru Sudhakar S.
Baker & Botts L.L.P.
Cisco Technology Inc.
Ton Dang
Tran Phuc
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