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.
Patent No.:
Date of Patent:
Apr. 18, 2023
Filed:
Sep. 03, 2021
T-mobile Usa, Inc., Bellevue, WA (US);
Joel Arends, Renton, WA (US);
Nassereddine Sabeur, Bellevue, WA (US);
Shujaur Mufti, Snoqualmie, WA (US);
Subramania Kaushik, Bellevue, WA (US);
Saqib Badar, Bellevue, WA (US);
T-Mobile USA, Inc., Bellevue, WA (US);
Abstract
Solutions for providing a data traffic session with proxy-call session control function (P-CSCF) restoration include: receiving an indication, by an application server (AS), that a user equipment (UE) is registered with a first proxy node (e.g., a P-CSCF); subscribing, by the AS, with a status repository, to a status of the first proxy node; receiving, by the AS, from the status repository, an indication that the first proxy node is unavailable; based on at least receiving the indication that the first proxy node is unavailable, transmitting, by the AS, to a subscriber information node, a first message triggering proxy node restoration; receiving an indication, by the AS, that the UE is registered with a second proxy node different than the first proxy node; and based on at least receiving a session initiation message, establishing the data traffic session for the UE with the second proxy node.