Enhanced IMS services restriction and selection control for mobile devices roaming in foreign networks
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United States of America Patent
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Jan 16, 2018
Issued Date -
N/A
app pub date -
Jul 18, 2014
filing date -
Jul 18, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method that allows a mobile device to register for IMS services while the mobile device is roaming in a visited telecommunications network is disclosed. The system receives a request for multiple IMS services from a mobile device while the mobile device is roaming in a foreign network. The system uses an identifier of the foreign network and an associated RAT type to query a policy table containing a list of whitelisted IMS services for the foreign network and associated RAT type. The system processes the requested IMS registrations for services that are whitelisted and does not process requested IMS registrations for services that are not on the whitelist.
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