Abstract
A method for falling back a voice call to circuit switching (CS) domain is disclosed by the present invention which includes: receiving a service request message sent by a calling User Equipment (UE) which includes the called number information of the voice call in CS domain; instructing an Evolved NodeB (ENB) to start the Circuit Switching Fall-Back (CSFB) handover; receiving a handover request message sent by the ENB which includes the required information for CS handover; selecting a Mobile Switching Center (MSC) and sending a Packet Switching (PS) to CS handover request message to the MSC which includes the required information for CS handover and the called number so that the MSC calls the called UE; receiving a PS to CS handover response message returned by the MSC which includes the information of the CS resources prepared by the target Base Station Subsystem (BSS)/Radio Network Subsystem (RNS); sending a handover command message to the calling UE via the ENB which includes the information of the CS resources prepared by the target BSS/RNS so that the calling UE accesses into 2G/3G network. The corresponding apparatus and system are also provided. The solution of the present invention can reduce the connection delay.
A method for falling back a voice call to circuit switching (CS) domain is disclosed by the present invention which includes: receiving a service request message sent by a calling User Equipment (UE) which includes the called number information of the voice call in CS domain; instructing an Evolved NodeB (ENB) to start the Circuit Switching Fall-Back (CSFB) handover; receiving a handover request message sent by the ENB which includes the required information for CS handover; selecting a Mobile Switching Center (MSC) and sending a Packet Switching (PS) to CS handover request message to the MSC which includes the required information for CS handover and the called number so that the MSC calls the called UE; receiving a PS to CS handover response message returned by the MSC which includes the information of the CS resources prepared by the target Base Station Subsystem (BSS)/Radio Network Subsystem (RNS); sending a handover command message to the calling UE via the ENB which includes the information of the CS resources prepared by the target BSS/RNS so that the calling UE accesses into 2G/3G network. The corresponding apparatus and system are also provided. The solution of the present invention can reduce the connection delay.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| WO2011009392A1 | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | Yes | Basis Patent | ||||
| CN101964965A | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| CN101964965B | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| US2012122459A1 | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| US8504043B2 | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| CN103118404A | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| CN103118404B | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| CN103139852A | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| CN103139852B | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| RU2497310C1 | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| US2013287007A1 | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| US9648522B2 | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| RU2013133801A | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| RU2549191C2 | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| BR112012001861A2 | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| US2017353894A1 | 4G,3G,2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
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| BR112012001861B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
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Technologies
Mobility and handover
Product
Mobility Management Entity (MME)
Use Cases
Services
Mobility Management
Claim
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.