Abstract
The embodiments of the present invention provide a method an apparatus and a system for call handover and process the method for call handover includes: sending an ADD.Req message to a media gateway wherein the ADD.Req message carries TDM type endpoint information and codec information corresponding to the TDM type and IP type endpoint information and codec information corresponding to the IP type; receiving an ADD.Reply message that indicates the media gateway establishes successfully the TDM endpoint and the IP endpoint sending an target base station controller BSC a Handover Request message carrying the circuit identifier code information element and the IP type endpoint information; receiving a Handover Request Acknowledge message carrying the TDM type endpoint information or the IP type endpoint information replied from the target BSC. The embodiments of the present invention can avoid the call failure event caused by the mismatch of the TDM endpoint individually assigned by the object BSC and a core network thus the call success rate is improved.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
Specification Information
Specification Information
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| EP2291025A1 | 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | Yes | Basis Patent | ||||
| EP2291025A4 | 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | Yes | Basis Patent | ||||
| CN101600179A | 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| CN101600179B | 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| CN102282888A | 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| CN102282888B | 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| RU2011127660A | 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| RU2520573C2 | 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| RU2520573C9 | 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
| BRPI0914796A2 | 2G | 20/04/2011 | ISLD-201106-001 | HUAWEI | No | Family Member | ||||
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Mobility and handover
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SUMMARY
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Patent number:WO2009146664A1
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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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.