Invention Grant
- Patent Title: System and method for providing a circuit switched domain number
- Patent Title (中): 用于提供电路交换域号的系统和方法
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Application No.: US12728003Application Date: 2010-03-19
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Publication No.: US09332041B2Publication Date: 2016-05-03
- Inventor: Jan Hendrik Lucas Bakker , Adrian Buckley , Andrew Allen
- Applicant: Jan Hendrik Lucas Bakker , Adrian Buckley , Andrew Allen
- Applicant Address: CA Waterloo, Ontario
- Assignee: BlackBerry Limited
- Current Assignee: BlackBerry Limited
- Current Assignee Address: CA Waterloo, Ontario
- Agency: Conley Rose, P.C.
- Agent J. Robert Brown, Jr.
- Main IPC: H04M11/04
- IPC: H04M11/04 ; H04L29/06 ; H04M7/12 ; H04W4/22 ; H04L12/66 ; H04M7/00
Abstract:
A method is provided for identifying a device during an emergency for callback. The method includes storing an address of a user agent (UA) during initiation of an emergency call by the UA, associating an E.164 number with the stored address of the UA that placed the emergency call, and routing the emergency call containing the E.164 number.
Public/Granted literature
- US20100246780A1 System and Method For Providing A Circuit Switched Domain Number Public/Granted day:2010-09-30
Information query
