Implicit emergency registration set

Details Implicit emergency registration set Implicit emergency registration set

2008-02-07

2011-10-25

Hu, Jinsong (Department: 2617)

Telecommunications

Radiotelephone system

Emergency or alarm communication

C455S521000

Reexamination Certificate

active

08045955

ABSTRACT:
A method for providing an implicit emergency registration set is disclosed. The method can include initiating an identifier selection procedure. The method can also include identifying whether a user has a dedicated emergency telephone uniform resource identifier (tel URI), and, if so, selecting it. The method can further include identifying, when the user does not have a dedicated emergency tel URI, whether the user's internet protocol (IP) multimedia private identity (IMPI) is known. The method can additionally include identifying, when the user's IMPI is known, whether the user's IMPI has a non-shared tel URI, and, if so, selecting it, but otherwise selecting a tel URI of the user's IMPI. The method can also include identifying, when the user's IMPI is not known, whether a shared tel URI is available, and selecting it if it is, otherwise selecting a tel URI from a non-shared set.

REFERENCES:
patent: 2008/0089486 (2008-04-01), Madour et al.
patent: 2008/0101582 (2008-05-01), Hua et al.
patent: 2008/0176538 (2008-07-01), Terrill et al.
patent: 2009/0116623 (2009-05-01), Ku et al.
patent: 2010/0232422 (2010-09-01), Blanco et al.

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