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Preserving Emergency Call During Failure To Transfer
Abstract: A system and method in a user equipment (UE) for transferring an emergency session from a first network to a second network. The method includes transmitting a first registration request message to the second network; receiving a registration reject message from the second network; detecting the emergency session between the UE and the first network is ongoing; transmitting a second registration request message comprising an emergency registration request to the second network; and receiving a registration accept message for the emergency session.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
18 November 2022
Publication Number
48/2022
Publication Type
INA
Invention Field
COMMUNICATION
Status
Email
archana@anandandanand.com
Parent Application
Applicants
BLACKBERRY LIMITED
2200 University Avenue East
Waterloo, Ontario
Inventors
1. BAKKER, Jan Hendrik Lucas
2200 University Avenue East
Waterloo, Ontario N2K OA7
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202247066263-STATEMENT OF UNDERTAKING (FORM 3) [18-11-2022(online)].pdf | 2022-11-18 |
| 2 | 202247066263-PROOF OF RIGHT [18-11-2022(online)].pdf | 2022-11-18 |
| 3 | 202247066263-PRIORITY DOCUMENTS [18-11-2022(online)].pdf | 2022-11-18 |
| 4 | 202247066263-POWER OF AUTHORITY [18-11-2022(online)].pdf | 2022-11-18 |
| 5 | 202247066263-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [18-11-2022(online)].pdf | 2022-11-18 |
| 6 | 202247066263-FORM 1 [18-11-2022(online)].pdf | 2022-11-18 |
| 7 | 202247066263-DRAWINGS [18-11-2022(online)].pdf | 2022-11-18 |
| 8 | 202247066263-DECLARATION OF INVENTORSHIP (FORM 5) [18-11-2022(online)].pdf | 2022-11-18 |
| 9 | 202247066263-COMPLETE SPECIFICATION [18-11-2022(online)].pdf | 2022-11-18 |
| 10 | 202247066263.pdf | 2022-11-23 |
| 11 | 202247066263-Information under section 8(2) [11-05-2023(online)].pdf | 2023-05-11 |
| 12 | 202247066263-FORM 3 [11-05-2023(online)].pdf | 2023-05-11 |
| 13 | 202247066263-FORM 18 [06-03-2024(online)].pdf | 2024-03-06 |
| 13 | 202247066263-STATEMENT OF UNDERTAKING (FORM 3) [18-11-2022(online)].pdf | 2022-11-18 |