Method and system for managing call routing in a network environment including a circuit-switched network and an IP Multimedia Subsystem IMS
A network node and a method for call routing by a network node disposed in a network environment including a circuit-switched (CS) network and an Internet Protocol (IP) multimedia subsystem (IMS) network, the method comprising: receiving a message for setting up a call; allocating_an IP Multimedia R...
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Main Author | |
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Format | Patent |
Language | English French German |
Published |
08.12.2010
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Subjects | |
Online Access | Get full text |
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Summary: | A network node and a method for call routing by a network node disposed in a network environment including a circuit-switched (CS) network and an Internet Protocol (IP) multimedia subsystem (IMS) network, the method comprising: receiving a message for setting up a call; allocating_an IP Multimedia Routing Number (IMRN) for purposes of setting up the call; sending the IMRN to at least one of a user equipment (UE) device and a mobile switching center (MSC); receiving a subsequent message containing the IMRN; and setting up the call using an original called number that maps to the IMRN, wherein the setting up of the call comprises inserting a CallerID by said IMS. |
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Bibliography: | Application Number: EP20100179032 |