Dynamic session transfer number for voice call continuity
US9615294B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Nov 21, 2014 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Dec 26, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W60/005
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method in a wireless device for voice call continuity is disclosed. The wireless device sends a register message to a network node. The wireless device has a first session transfer number. The wireless device receives a registration authorization message. The registration authorization message includes a second session transfer number for voice call continuity, the second session transfer number being dynamically assigned by the network node. The wireless device stores in memory the dynamically assigned second session transfer number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.