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. 01, 2025

Filed:

Jul. 14, 2022
Applicant:

T-mobile Usa, Inc., Bellevue, WA (US);

Inventors:

Prannoy Kiran Saride, Bellevue, WA (US);

Raymond Thomas Ball, Seattle, WA (US);

Kenroy Dwight Shaw, Bellevue, WA (US);

Assignee:

T-Mobile USA, Inc., Bellevue, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/08 (2013.01);
Abstract

System and methods for inter-network user equipment (UE) registration are described herein. A managed access system (MAS) network may receive a request for services from an unauthorized UE and may generate a registration request that it transmits to the UE's home network using a call session control function (CSCF) and the Cx interface. One or more diameter routing agents on the path between the MAS network and the destination network may determine whether the registration request was received on the Cx network and if not, may discard the message. Other criteria may also be used to determine whether to forward such requests.


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