Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2005-04-12
2005-04-12
Nguyen, Chau (Department: 2663)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S401000, C370S466000
Reexamination Certificate
active
06879581
ABSTRACT:
A novel method and apparatus for transmitting voice traffic and data traffic over a circuit-switched network and a packet-switched network are presented. A new service option is introduced that allows a circuit-switched network to strip off IP/UDP/RTP header information from an internet protocol packet that may or may not be carrying multimedia payloads. Selectively eliminating the reliability measures in the RLP layer allows the circuit-switched network to reduce the delay associated with data traffic, and thus satisfy the more stringent delay requirements of voice traffic.
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Duong Duc
Macek Kyong H.
Nguyen Chau
Nguyen Thien R.
Qualcomm Incorporated
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