Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2006-08-08
2006-08-08
Nguyen, Duc M. (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S426100, C455S435100, C455S445000, C455S401000
Reexamination Certificate
active
07089027
ABSTRACT:
A method and system that helps to reduce delay in initiating communication sessions. A network entity operates as a signaling agent on behalf of a terminating node and positively acknowledges a session initiation request on behalf of the terminating node without first receiving a positive acknowledgement from the terminating node. For example, the network entity may first send an alert message to the terminating node and then positively respond to the session initiation request before receiving from the terminating node a response to the alert message. As another example, the network entity may first positively respond to the session initiation request and then send an alert message to the terminating node. This arrangement can advantageously allow the session setup process to continue, without first waiting for an actual positive acknowledgement from the terminating node.
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Doran Christopher M.
Othmer Konstantin
Stadler Andrew D.
Welch David
Nguyen Duc M.
Sprint Spectrum L.P.
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