The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 17, 2018

Filed:

Oct. 27, 2015
Applicant:

At&t Intellectual Property I, Lp, Atlanta, GA (US);

Inventors:

Bernard Ku, Austin, TX (US);

James W. Forsyth, Royal Oak, MI (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/66 (2006.01); H04L 29/06 (2006.01); H04L 29/14 (2006.01); H04L 12/26 (2006.01); H04W 84/04 (2009.01);
U.S. Cl.
CPC ...
H04L 65/1069 (2013.01); H04L 43/08 (2013.01); H04L 69/40 (2013.01); H04W 84/042 (2013.01);
Abstract

An aspect of the subject disclosure may include, for example, receiving a request from a communication device to initiate a communication session in a packet-switched network, obtaining a first name authority pointer record responsive to determining that there is an undesirable operational state in the packet-switched network, wherein the first name authority pointer record comprises a null record, obtaining a second name authority pointer record responsive to determining that there is a desirable operational state in the packet-switched network, wherein the second name authority pointer record comprises a record, and initiating the communication session according to one of the first name authority pointer record or the second name authority pointer record. Other embodiments are disclosed.


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