Establishing a communications session having a quality of service in a communications system
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United States of America Patent
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May 12, 2009
Grant Date -
N/A
app pub date -
Jun 28, 2000
filing date -
Oct 14, 1999
priority date (Note) -
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Abstract
A communications system includes a packet-based wireless network linked to mobile units and a circuit-switched network such as a public-switched telephone network (PSTN). A primary Packet Data Protocol (PDP) context is established with call setup that contains the default quality of service (QoS) profile of the call session. However, to support multiple flows with different QoS profiles, secondary PDP contexts with different QoS profiles may be activated in the call session. The secondary PDP context activation may be performed using messaging according to a protocol for reserving resources, such as the Resource Reservation Protocol (RSVP).
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