Method and mobile radio telephone network for handling a packet data service
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United States of America Patent
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-
Jul 2, 2002
Grant Date -
N/A
app pub date -
Jul 2, 1999
filing date -
Oct 27, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Proceeding from the handling of a packet data service in the mobile radio telephone network by at least one service network node (SGSNa, SGSNn) in conjunction with an access network node (GGSN) for the transmission of packet data, the following occurs. An interworking of the packet data service with network functions of an intelligent network whereof a service switching function (SSF) is interconnected with the respective service network node (SGSNa, SGSNn) and a service control function (SCF) is connected via an interface to the service network node (SGSNa, SGSNn) with integrated service switching function (SSF). Given change of the mobile subscriber from one coverage area into another coverage area, a switch is effected from an old association that exists between the service switching function (SSF) integrated in the previous service network node (SGSNa) and the service control function (SCF) to a new association that exists between the service switching function (SSF) integrated in the new service switching node (SGSNn) and the service control function (SCF). The switching is in addition to the switching from the one tunnel (TUa) to the other tunnel (TUb).
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