Multiplex communications – Special services
Reexamination Certificate
2011-04-26
2011-04-26
Hsu, Alpus H (Department: 2465)
Multiplex communications
Special services
C370S338000, C370S353000, C370S390000, C370S401000, C370S432000, C379S088170, C379S093070, C379S201010, C455S414100
Reexamination Certificate
active
07933225
ABSTRACT:
An architecture is described for providing IP push-to-talk (IPP2T) service using a wireless local area network (WLAN) serving a plurality of subscriber terminals (STs), having at least one broadband access network terminal (BANT), the BANT coupled to and interacting with at least one of a plurality of Access Points (APs) via a local area network (LAN), the plurality of APs in communication with the plurality of subscriber terminals; a multicast-enabled network, the multicast-enabled network coupled to and interacting with at least one BANT via a broadband access network; an IP network coupled to, and interacting with, the multicast-enabled network via an edge router; and a WLAN mobile radio service (WLMRS) controller (WLMRSC) coupled to and interacting with the IP network via a multicast-enabled router (MR).
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Chow Albert T.
Miller Robert R.
Murray John F.
Rice Christopher W.
AT&T Intellectual Property II L.P.
Hsu Alpus H
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