Interworking function in an internet protocol (IP)-based radio telecommunications network
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United States of America Patent
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Apr 23, 2002
Grant Date -
N/A
app pub date -
Jun 17, 1999
filing date -
Jun 17, 1999
priority date (Note) -
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Abstract
An Internet Protocol (IP)-based radio telecommunications network and method of providing data services to a mobile terminal. An Internet Protocol Shared Interworking Function (IP-SIWF) is implemented in the network, and is controlled from a Mobile Switching Center (MSC) utilizing the Media Gateway Control Protocol (MGCP) device control protocol. When a data call carrying a data payload is originated by a mobile terminal, the data call is transported utilizing radio access and radio link protocols to the IP-SIWF. The radio access and radio link protocols are terminated in the IP-SIWF, and the data payload is transported thereafter utilizing a real time protocol over a User Datagram Protocol (UDP) and an IP protocol layer.
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